Commercial or technical designation of a manufacturer's product family sharing a common design and compatible characteristics.

Range of tasks and systems for which the manufacturer recommends the component.

Primary function of the device and its intended use as defined by its design and the manufacturer's documentation.

Permissible installation location of the product: indoors, outdoors, in a technical area, or as part of equipment.

Environmental conditions under which installation and operation of the product are permitted.

Permissible spatial orientation of the component during installation and operation.

External horizontal dimension of the product between its outermost lateral points.

External vertical dimension of the product from its lowest to its highest point.

External distance between the foremost and rearmost surfaces of the product.

Number of AC phases available on the dedicated backup or emergency output.

Primary visually perceived colour of the product's external surface.

Designation of the product's primary surface colour according to the RAL colour system.

Type of final surface finish of the product determining its appearance and service properties.

Primary material from which the product is manufactured.

Grade, alloy, class, or technical designation of the product's primary material.

Type of connector, terminal, or other electrical connection system on the input or first side of the product's signal path.

Type of connector, terminal, or other electrical connection system on the output or second side of the product's signal path.

Number of electrical connection points intended for incoming or supply-side connections.

Number of electrical connection points intended for outgoing or load-side connections.

Indicates that the principal input terminal block or mating connection component can be removed from the product.

Indicates that the principal output terminal block or mating connection component can be removed from the product.

Indicates that the main power input uses a plug-in or pluggable connection system.

Indicates that the main power output uses a plug-in or pluggable connection system.

Declared nominal conductor cross-section assigned specifically to an incoming or supply connection.

Declared nominal conductor cross-section assigned specifically to an outgoing or load-side connection.

Minimum stripping length specified for an incoming or supply conductor.

Maximum stripping length specified for an incoming or supply conductor.

Minimum stripping length specified for an outgoing or load-side conductor.

Maximum stripping length specified for an outgoing or load-side conductor.

Manufacturer-declared tightening torque for an incoming or supply terminal.

Manufacturer-declared tightening torque for an outgoing or load-side terminal.

Physical direction from which a conductor enters an incoming or supply connection point.

Physical direction from which a conductor enters an outgoing or load-side connection point.

Centre-to-centre distance between adjacent repeated incoming connection points.

Centre-to-centre distance between adjacent repeated outgoing connection points.

Indicates whether a dedicated point or terminal is provided for connection of the PE protective conductor.

Number of PE terminals included in the product's standard equipment or provided for the specific version.

Indicates whether a separate functional earth connection is provided that does not replace the PE protective connection.

Number of externally accessible terminals specifically intended for functional earth connection.

Manufacturer-declared tightening torque specifically for the protective-earth terminal.

Manufacturer-declared tightening torque specifically for the functional-earth terminal.

Indicates that one or more terminal blocks can be removed from the device body for wiring or service.

Indicates that one or more electrical terminal blocks use a pluggable disconnectable connection system.

Centre-to-centre pitch between adjacent electrical terminals in the relevant terminal row.

Indicates that electrical connection terminals are individually identified by manufacturer-applied markings.

Physical directions from which conductors or tools access the electrical connection terminals.

Manufacturer-declared connector or connection interface used for the battery circuit.

Total number of externally accessible electrical connection points assigned to the battery circuit.

Indicates that the battery connection interface or battery terminal block is removable.

Indicates that the battery circuit uses a plug-in or pluggable connection interface.

Minimum conductor cross-section accepted by the battery connection.

Maximum conductor cross-section accepted by the battery connection.

Minimum manufacturer-declared conductor stripping length for the battery terminal.

Maximum manufacturer-declared conductor stripping length for the battery terminal.

Manufacturer-declared tightening torque for screw, bolt or clamp-type battery terminals.

Physical direction from which the battery conductors or battery connector approach the product.

Centre-to-centre spacing between adjacent battery connection points where a regular pitch applies.

Indicates that the physical battery connector or connection system is mechanically keyed against reverse-polarity mating.

Minimum unobstructed installation clearance required above the product for ventilation or heat dissipation.

Minimum unobstructed installation clearance required below the product for ventilation or heat dissipation.

Minimum unobstructed installation clearance required on the left side for normal cooling.

Minimum unobstructed installation clearance required on the right side for normal cooling.

Minimum unobstructed installation clearance required in front of the product for normal cooling.

Minimum unobstructed installation clearance required behind the product for normal cooling.

Minimum manufacturer-declared conductor cross-section accepted by the main electrical input connection.

Maximum manufacturer-declared conductor cross-section accepted by the main electrical input connection.

Minimum manufacturer-declared conductor cross-section accepted by the main electrical output connection.

Maximum manufacturer-declared conductor cross-section accepted by the main electrical output connection.

Manufacturer product family, connector system or mating-interface family used for the main electrical input connection.

Manufacturer product family, connector system or mating-interface family used for the main electrical output connection.

Installation arrangement permitted by the product design, such as wall-mounted, flush-mounted, floor-mounted, or another specified mounting type.

Method used to mechanically secure the product to a support, surface, or load-bearing structure.

Nominal electrical input voltage for which the power conversion device is designed.

Minimum continuous input voltage within the manufacturer-declared operating input range.

Maximum continuous input voltage within the manufacturer-declared operating input range.

Maximum manufacturer-declared input current under the specified operating conditions.

Maximum active electrical power drawn by the device from its input source under manufacturer-declared conditions.

Peak input current occurring during energization or startup of the device.

Manufacturer-declared duration associated with the specified input inrush current.

Input power consumed while the device is energized and operating without an external output load.

Manufacturer-declared electrical power consumption while the product is energized but not actively switching the controlled load.

Electrical current type delivered at the product output.

Nominal output voltage delivered under manufacturer-declared operating conditions.

Minimum output voltage available or permitted within the specified output operating range.

Maximum output voltage available or permitted within the specified output operating range.

Indicates that the output voltage can be adjusted within a manufacturer-defined range.

Minimum selectable output voltage when output-voltage adjustment is supported.

Maximum selectable output voltage when output-voltage adjustment is supported.

Continuous output current for which the product is rated under the specified operating conditions.

Maximum output current permitted or available under manufacturer-declared conditions.

Indicates that the output current limit or regulated output current can be adjusted.

Minimum selectable regulated output current or current-limit setting.

Maximum selectable regulated output current or current-limit setting.

Continuous rated active output power of the power conversion device.

Maximum short-duration active output power available under manufacturer-declared conditions.

Number of independently available output channels or protected output electrical circuits of the product.

Manufacturer-declared power conversion efficiency at the specified operating point.

Maximum manufacturer-declared power conversion efficiency within the specified operating range.

Minimum load current required for correct switching or conduction under the manufacturer-declared conditions.

Indicates that a minimum external load is required to maintain the declared output characteristics.

Indicates that the output voltage is actively regulated within manufacturer-declared limits.

Permissible deviation of output voltage from its declared nominal value under specified operating conditions.

Accuracy of the actual output voltage relative to the configured or nominal output voltage setpoint.

Change in output voltage caused by variation of input voltage within the manufacturer-declared input range.

Change in output voltage caused by variation of output load within the manufacturer-declared operating range.

Periodic AC component superimposed on the DC output voltage under specified measurement conditions.

Non-periodic or broadband noise component present on the output voltage under specified measurement conditions.

Relative change of regulated output voltage per unit change in temperature.

Manufacturer-declared long-term change of output voltage under specified reference conditions.

Accuracy of regulated or measured output current relative to the declared or configured value.

Manufacturer-declared regulation accuracy of output current over the specified operating range.

Time for which the output remains within the declared operating limits after loss or interruption of input power.

Time from application of valid input power until the output reaches the manufacturer-declared operating state.

Time required for output voltage to rise through the manufacturer-declared portion of its final steady-state value.

Time associated with the regulator response following a specified step change in load or input condition.

Maximum temporary output-voltage deviation caused by the specified transient load or input change.

Time required for output voltage to return to its specified regulation band after a transient disturbance.

Indicates support for regulated constant-voltage output operation.

Indicates support for regulated constant-current output operation.

Indicates whether the current-limiting threshold can be adjusted.

Minimum available electronic current-limit setting.

Maximum available electronic current-limit setting.

Characteristic describing product behaviour when the set current-limit threshold is reached.

General electrical power conversion technology used by the product.

Primary converter circuit topology used for power conversion.

Nominal switching frequency of the power conversion stage under manufacturer-declared operating conditions.

Indicates that the power conversion circuit uses a soft-switching technique to reduce switching losses or stress.

Soft-switching technique used by the power conversion stage.

Indicates that galvanic isolation is provided between the relevant electrical input and output circuits of the product.

Indicates that the manufacturer declares safe electrical separation between the relevant input and output circuits.

Manufacturer-declared dielectric test voltage applied between input and output circuits.

Manufacturer-declared dielectric test voltage applied between the input circuit and protective earth.

Manufacturer-declared dielectric test voltage applied between the output circuit and protective earth.

Duration associated with the manufacturer-declared dielectric isolation test voltage.

Effective manufacturer-declared capacitance between the input and output circuits.

Effective manufacturer-declared capacitance between the input circuit and protective earth.

Effective manufacturer-declared capacitance between the output circuit and protective earth.

Electrical safety classifications applicable to the product output circuit, such as SELV, PELV or FELV.

Indicates that the relevant output satisfies the manufacturer-declared requirements for a limited power source.

Electrical relationship of the output circuit to protective earth or functional earth.

Indicates that connection to protective earth is required for the declared electrical safety or operating conditions.

Type of electrical current for which the product's main supply circuit is intended.

Number of AC phases used by the electrical input of the product.

Electrical phase and neutral connection arrangement used at the AC input.

Indicates that a neutral conductor is required for the manufacturer-declared input connection.

AC frequency assigned to the product for normal operating conditions.

Lower limit of the electrical network or signal frequency at which product operation is permitted.

Upper limit of the electrical network or signal frequency at which product operation is permitted.

Manufacturer-declared input power factor at the specified load and supply conditions.

Indicates that the product incorporates circuitry intended to improve input power factor.

Technology used to perform input power factor correction.

Nominal switching frequency of the active power-factor-correction stage where applicable.

Total harmonic distortion of the input current under the manufacturer-declared input voltage and load conditions.

Indicates that the product incorporates circuitry or control intended to reduce input-current harmonic content.

Rectification method used in the power conversion circuit where applicable.

Indicates that actively controlled semiconductor devices are used for synchronous rectification.

Maximum manufacturer-declared input phase-voltage unbalance permitted for normal operation.

Continuous rated apparent output power for AC-output power conversion equipment.

Number of AC phases provided by the electrical output of the product.

Electrical phase and neutral connection arrangement provided at the AC output.

Indicates that the AC output provides an accessible neutral conductor or neutral terminal.

Nominal AC output frequency delivered by the UPS.

Minimum output frequency supported within the manufacturer-declared operating or adjustment range.

Maximum output frequency supported within the manufacturer-declared operating or adjustment range.

Maximum deviation of regulated output frequency from its declared setpoint under specified operating conditions.

Indicates that the nominal AC output frequency can be selected or configured.

Nominal output-frequency values supported by the UPS.

Indicates that the inverter output can synchronize its frequency and phase with an acceptable input or bypass source.

Minimum source frequency at which output synchronization is permitted.

Maximum source frequency at which output synchronization is permitted.

Maximum phase-angle difference permitted or maintained during synchronized operation.

Output-frequency accuracy when the inverter is not synchronized to an external AC source.

Waveform produced at the AC output during normal conversion operation.

Total harmonic distortion of the AC output voltage under specified operating and load conditions.

Indicates that the output phase sequence corresponds to the applied input phase sequence during normal operation.

Maximum manufacturer-declared AC output phase-voltage unbalance under specified operating conditions.

Maximum permitted imbalance between output phase loads while maintaining manufacturer-declared operation.

Rechargeable battery technologies approved by the manufacturer for use with the product.

Indicates that one or more external battery modules or battery assemblies may be connected.

Maximum number of manufacturer-approved external battery modules that may be connected.

Nominal DC voltage of the connected battery or battery system.

Minimum battery-system voltage permitted for manufacturer-approved operation.

Maximum battery-system voltage permitted for manufacturer-approved operation.

Maximum battery discharge current accepted or drawn by the product under manufacturer-declared conditions.

Maximum electrical power delivered by the integrated charger to the battery system.

Maximum power that may be drawn from the battery system through the product.

Indicates that battery charging functionality is integrated into the product.

Rated continuous battery charging current under manufacturer-declared charging conditions.

Maximum charging current that the integrated charger can deliver to the battery.

Indicates that battery charging current can be configured or selected.

Manufacturer-declared battery charging voltage under the specified charging condition.

Charging control methods or charging profiles supported by the integrated battery charger.

Number of charging stages implemented by the manufacturer-defined charging profile.

Battery voltage maintained during manufacturer-defined float or standby charging.

Battery voltage used during manufacturer-defined boost or rapid charging.

Indicates support for a manufacturer-defined battery equalization charging function.

Battery voltage used during the supported equalization charging mode.

Indicates that battery charging voltage or current is automatically adjusted according to battery temperature.

Change in charging voltage applied per unit change in battery temperature.

Indicates that the product can maintain output power from an energy-storage source following loss of normal input supply.

Manufacturer-declared time required to transfer the load between power sources, excluding intentionally configured time delays unless otherwise specified.

Indicates that transfer between normal input operation and stored-energy backup operation occurs without an output interruption detectable under the manufacturer-defined conditions.

Continuous rated output power available while operating from the battery or backup energy-storage source.

Continuous rated output current available while operating from the battery or backup energy-storage source.

Functional bypass arrangement provided by the design of the switching equipment.

Waveform of the AC output voltage produced while the UPS operates from its stored-energy source.

Indicates that actual input voltage is measured and available locally or through a supported interface.

Indicates that actual input current is measured and available locally or through a supported interface.

Indicates that electrical input power is measured or calculated by the product.

Indicates that electrical energy consumed at the input can be accumulated or reported.

Indicates that actual output voltage is measured and available locally or through a supported interface.

Indicates that actual output current is measured and available locally or through a supported interface.

Indicates that electrical output power is measured or calculated by the product.

Indicates that electrical energy delivered through the output can be accumulated or reported.

Indicates that actual output loading can be calculated and reported as a percentage of the applicable rated output capability.

Indicates that one or more internal product temperatures are measured and available for monitoring.

Indicates that actual conversion efficiency can be calculated or reported from measured input and output electrical quantities.

Manufacturer-declared accuracy of the internal input-voltage measurement function.

Manufacturer-declared accuracy of the internal input-current measurement function.

Manufacturer-declared accuracy of the internal input-power measurement or calculation.

Manufacturer-declared accuracy of the internal output-voltage measurement function.

Manufacturer-declared accuracy of the internal output-current measurement function.

Manufacturer-declared accuracy of the internal output-power measurement or calculation.

Manufacturer-declared accuracy of the calculated output-load percentage.

Manufacturer-declared absolute accuracy of the internal temperature measurement function.

Indicates that AC input frequency is measured and available to the user or control system.

Maximum manufacturer-declared error of the internal input-frequency measurement.

Indicates that AC output frequency is measured and available to the user or control system.

Maximum manufacturer-declared error of the internal output-frequency measurement.

Total harmonic distortion of the AC output current under manufacturer-declared operating conditions.

Manufacturer-declared AC output power factor under the specified operating condition.

Maximum manufacturer-declared reactive power that the power-conversion equipment can supply or absorb.

Minimum grid voltage at which grid-connected operation is manufacturer-declared as permitted.

Maximum grid voltage at which grid-connected operation is manufacturer-declared as permitted.

Minimum grid frequency at which grid-connected operation is permitted.

Maximum grid frequency at which grid-connected operation is permitted.

Minimum configurable active-power output limit expressed as a percentage of rated active output power.

Maximum configurable active-power output limit expressed as a percentage of rated active output power.

Lowest manufacturer-declared lagging or inductive power factor supported during controlled grid operation.

Lowest manufacturer-declared leading or capacitive power factor supported during controlled grid operation.

Maximum manufacturer-declared configurable active-power ramp rate expressed relative to rated power.

Maximum short-duration active output power available while the product operates from the battery or energy-storage source.

Maximum manufacturer-declared power transferable in the reverse direction during bidirectional operation.

Input current consumed by the energized converter in the manufacturer-defined quiescent operating state.

Manufacturer-declared nominal voltage of the product DC bus or DC-link, whether internal or externally accessible.

Minimum DC-bus voltage within the manufacturer-declared operating range.

Maximum DC-bus voltage within the manufacturer-declared operating range.

Maximum manufacturer-declared current permitted at the DC bus interface.

Maximum manufacturer-declared electrical power transferable through the DC bus interface.

Manufacturer-declared converter efficiency when electrical power is transferred toward the battery charging direction.

Manufacturer-declared converter efficiency when electrical power is transferred from the battery toward the external DC or AC power system.

DC-system grounding configurations for which the manufacturer declares the product suitable.

Indicates that the manufacturer marks required positive and negative terminal polarity on the product.

Set of protection functions integrated into the product or provided by it in its normal intended configuration.

Indicates that the product incorporates internal protection against an excessive voltage condition in the relevant electrical circuit.

Indicates that the product incorporates protection against operation below the permitted input or supply voltage.

Indicates whether integral overcurrent protection is provided for the relevant electrical circuit.

Indicates whether the product or corresponding electrical circuit has integrated short-circuit protection.

Indicates that the product incorporates protection against excessive internal, component or monitored temperature.

Indicates that the relevant DC electrical circuit incorporates protection against incorrect or reversed supply polarity.

Indicates that operation is inhibited when the input voltage falls below a manufacturer-defined undervoltage lockout level.

Input voltage below which the device enters undervoltage lockout or disables its output.

Input voltage above which operation resumes after an undervoltage lockout condition.

Indicates that the product disables or protects its power conversion stage when input voltage exceeds the permitted level.

Input voltage at which the product enters input-overvoltage shutdown or protection.

Input voltage below which operation may resume after an input-overvoltage shutdown condition.

Output voltage level at which the output overvoltage protection function activates.

Output current level at which the output overcurrent protection function activates.

Internal or monitored temperature at which thermal protection disables or limits normal operation.

Temperature below which normal operation may resume after thermal shutdown.

Behaviour of the power conversion device when an output overload condition is detected.

Behaviour of the power conversion device when an output short circuit is detected.

Indicates that normal output operation resumes automatically after removal of an overload condition.

Indicates that normal output operation resumes automatically after removal of an output short circuit.

Indicates that an input fuse or equivalent replaceable fuse link is integrated into the product.

Rated current of the integrated input fuse where applicable.

Indicates that an output fuse or equivalent replaceable fuse link is integrated into the product.

Rated current of the integrated output fuse where applicable.

Indicates that one or more detected faults can remain latched until a defined reset action is performed.

Manufacturer-declared current flowing from the product electrical circuits to protective earth under the specified operating condition.

Manufacturer-declared current that may flow through a person or measuring network when touching accessible conductive parts under the specified condition.

Indicates that the product protects the battery against excessive depth of discharge.

Indicates that a low-battery condition can be detected and indicated before battery disconnection.

Battery voltage at which the low-battery warning is generated.

Indicates that the load or battery circuit is disconnected when battery voltage reaches a defined minimum level.

Battery voltage at which discharge is stopped to protect the battery.

Battery voltage above which battery-backed operation may be re-enabled after low-voltage disconnection.

Indicates protection of the battery circuit against excessive battery or charging voltage.

Indicates integrated protection against excessive current in the battery circuit.

Indicates integrated protection against short circuit in the connected battery circuit.

Indicates that output overload may initiate an automatic transfer to bypass.

Indicates that a qualifying internal UPS fault can initiate transfer to bypass.

Indicates that excessive internal temperature can initiate transfer to bypass.

Indicates whether the bypass includes interlocking that prevents impermissible combinations of switching positions.

Output voltage below which an undervoltage warning or diagnostic indication is generated without necessarily invoking protective shutdown.

Output voltage above which an overvoltage warning or diagnostic indication is generated before or independently of protective shutdown.

Output current above which a warning or diagnostic overload indication is generated.

Internal temperature above which a warning is generated before or independently of thermal shutdown.

Output-load percentage above which a warning or diagnostic indication is generated.

Indicates integrated protection intended to detect unintended islanding and cease grid energization as required.

General classes of anti-islanding detection methods supported by the product.

Indicates protection of the battery circuit against excessive battery discharge or battery voltage falling below the permitted operating level.

Indicates whether the product material is classified as halogen-free according to the characteristics declared by the manufacturer.

Degree of enclosure protection against access to hazardous parts and ingress of solid objects and water, designated by the IP code.

Class of enclosure resistance to external mechanical impacts designated by the IK code.

Method or level of protection of the user against direct contact with hazardous live parts.

Indicates whether the design prevents finger access to hazardous live parts in the intended condition.

Indicates whether the design provides protection against accidental contact with hazardous live parts.

Classification of a material according to its ability to ignite, sustain combustion, and cease burning under a specified test.

Temperature of the heated wire used when testing the material or product against an ignition source.

Manufacturer-declared or calculated mean time between failures under specified reference conditions.

Ambient or component reference temperature associated with the declared MTBF value.

Standard, handbook or manufacturer methodology used to calculate or predict MTBF.

Predicted or declared failure rate expressed in failures per billion operating hours.

Manufacturer-declared design or expected operating service life under specified reference conditions.

Indicates that scheduled preventive maintenance is not required during normal manufacturer-declared service life.

Recommended operating interval between scheduled preventive maintenance activities.

Number of fans installed in the product or included in its declared equipment.

Volume of air moved by the fan per unit time under the declared operating conditions.

Indicates that an integrated cooling fan is designed to be replaced as a service component.

Manufacturer-declared expected operating lifetime of the cooling fan under specified reference conditions.

Reference ambient or fan temperature associated with the declared fan lifetime.

Indicates that cooling fan speed is automatically or electronically controlled.

Control strategy used to operate or regulate the integrated cooling fan.

Indicates that failure or abnormal operation of the cooling fan can be detected.

Indicates that detected cooling fan failure can generate an alarm or status indication.

Temperature threshold at which thermostatically controlled cooling fan operation begins.

Temperature threshold below which thermostatically controlled cooling fan operation stops.

Manufacturer-declared expected lifetime of critical electrolytic capacitors under specified operating conditions.

Reference temperature associated with the declared electrolytic capacitor lifetime.

Lowest ambient temperature at which the manufacturer permits the product to start from a de-energized state.

Highest ambient temperature at which startup from a de-energized state is manufacturer-approved.

Indicates that the product is specifically designed or declared for startup under low-temperature conditions.

Ambient temperature below which a manufacturer-defined warm-up period is required before normal rated operation.

Manufacturer-declared warm-up duration required before normal rated operation under specified conditions.

Percentage reduction of usable output capability per kelvin above the manufacturer-declared derating threshold.

Percentage reduction of usable output capability per 1000 metres above the manufacturer-declared derating altitude.

Indicates that one or more internal printed circuit boards are protected by a conformal coating.

Principal conformal coating material applied to internal printed circuit boards.

Indicates that the product incorporates manufacturer-declared measures intended for operation in hot and humid tropical environments.

Indicates manufacturer-declared resistance to a salt-mist or salt-spray environment.

Indicates manufacturer-declared suitability for environments containing corrosive or chemically active gases.

Manufacturer-declared climatic environmental classification according to the applicable IEC 60721 series.

Manufacturer-declared chemically active substance classification according to the applicable IEC 60721 series.

Manufacturer-declared mechanical environmental classification according to the applicable IEC 60721 series.

Primary cooling method used by the product during normal operation.

Principal airflow direction through or around the product for normal manufacturer-declared cooling.

Maximum manufacturer-declared acoustic noise level under the specified operating and measurement conditions.

Minimum ambient temperature at which normal operation of the product is permitted.

Maximum ambient temperature at which normal operation of the product is permitted.

Maximum permissible average ambient temperature over a consecutive 24-hour period.

Minimum ambient temperature permitted during storage of the product while not in operation.

Maximum ambient temperature permitted during storage of the product while not in operation.

Minimum ambient temperature permitted during transportation of the product.

Maximum ambient temperature permitted during transportation of the product.

Indicates whether permissible electrical or thermal loading must be reduced as temperature changes.

Temperature above which the permissible product load must be reduced.

Indicates whether the manufacturer has published the relationship between permissible product load and temperature.

Minimum relative air humidity permitted for the declared operating or test condition.

Maximum relative air humidity permitted for the declared operating or test condition.

Indicates whether the permissible humidity value applies only to non-condensing conditions.

Maximum altitude above sea level at which the product may be installed without exceeding the declared conditions.

Indicates whether the permissible product load must be reduced as installation altitude increases.

Altitude above sea level above which the permissible product load must be reduced.

Indicates whether the product's resistance to vibration has been verified under the declared conditions.

Indicates whether the product's resistance to short-duration mechanical shocks has been verified.

Indicates that the product provides a dedicated AC output intended to supply selected loads during grid outage or islanded operation.

Indicates whether documentation is included in the product's standard supply.

Indicates whether an installation manual is included with the product.

Indicates whether a terminal diagram is included with the product.

Indicates that the product can provide an AC output frequency that is intentionally controlled independently of the AC input frequency.

Indicates that battery voltage is internally monitored.

Indicates that battery charging or discharging current is internally monitored.

Indicates that battery temperature can be monitored by the product.

Indicates that an external battery temperature sensor can be connected for charging control or diagnostics.

Indicates that the product can detect whether the required battery is connected.

Indicates that battery faults or abnormal battery conditions can be detected.

Indicates that battery state of charge can be estimated, calculated or reported.

Indicates that battery state of health or degradation can be estimated or reported.

Indicates that the product can start and energize its output from the battery without normal input power being present.

Indicates that normal operation can resume automatically after restoration of acceptable input power following a battery shutdown or supply interruption.

Indicates that the UPS incorporates an audible alarm or buzzer for status or fault indication.

Indicates that the audible UPS alarm can be temporarily or permanently muted by an approved user action.

Indicates that battery-backed operation is explicitly indicated.

Indicates that acceptable or failed mains input status is explicitly indicated.

Indicates whether a discrete alarm signal can be generated through the provided signalling contact.

Indicates whether an alarm signalling contact is included in the product's standard equipment.

Number of integrated LEDs used to indicate product status or operating modes.

Indicates whether the product performs internal diagnostic checks to detect or report internal faults.

Indicates whether information about a fault condition, alarm, or protective operation can be retained after the cause of the event has disappeared.

Reset or restart modes supported after the condition that caused a trip, protection action, alarm or safety stop has been cleared.

Indicates whether the product can store an internal event log.

Maximum number of event records that can be stored in the product's internal log.

Indicates whether the product supports digital data exchange with external devices or systems.

List of supported digital data communication protocols.

List of supported physical or logical digital communication interfaces.

Indicates whether an integrated web server or web interface is provided for access to product functions.

Indicates whether specified product settings can be read or changed remotely through a supported communication interface.

Indicates whether the product's main operating function can be controlled by a remote command.

Indicates that current measured values can be read by an external controller, software system or communication master.

Indicates that warning, fault, status or diagnostic information can be transmitted through a supported digital communication interface.

Indicates whether a latched trip, fault, or alarm state can be reset remotely through a supported command or interface.

Indicates that an internal test or test function can be initiated remotely through a supported interface.

Indicates that stored events, warnings or faults can include a date and/or time stamp.

Indicates that measured-value trends or historical sequences can be stored, transmitted or evaluated.

Number of available digital inputs of the product.

Number of available digital outputs of the product.

Indicates whether user-configurable functions can be assigned to one or more digital inputs.

Indicates whether user-configurable functions can be assigned to one or more digital outputs.

Indicates that digital input functions such as reset, inhibit, parameter-set selection or other control commands can be configured.

Number of independent relay outputs or sets of switching contacts provided by the product.

Functions permanently assigned or assignable to the product relay outputs.

Number of integrated analogue input channels.

Analogue signal, sensor or resistance input types supported by the product.

Number of integrated analog outputs provided by the product.

Types of analog signals supported by the product outputs.

Indicates that device parameters and configuration data can be backed up to an external system or supported storage medium.

Indicates that previously stored device parameters or configuration data can be restored to the product.

Indicates that backed-up parameters can be transferred automatically or semi-automatically to a replacement device through a supported communication system.

Number of integrated physical Ethernet communication ports.

Number of integrated physical RS-485 communication interfaces.

Indicates that internal operating data are evaluated to support condition-based or predictive maintenance.

Indicates that the product can estimate remaining service life using internal operating or stress data.

Indicates that remaining cooling-fan service life can be estimated.

Indicates that remaining service life of critical capacitors can be estimated from temperature, load or operating-time data.

Indicates that predictive-maintenance state or remaining-life status can be provided through a digital, relay or communication output.

Indicates that the device can generate a warning when scheduled or condition-based maintenance becomes due.

Indicates that the installed firmware version can be read locally or through a supported digital communication interface.

Indicates that product identification information can be read through a supported communication protocol.

Indicates that changes to configurable product parameters can be stored in an internal or remotely accessible log.

Indicates that accumulated operating statistics are available for diagnostics or maintenance.

Indicates that the number of device power-up or power-cycle events can be accumulated.

Indicates that input-supply interruption events can be counted and retained.

Indicates that detected fault events can be accumulated in one or more internal counters.

Indicates that warning events can be accumulated in one or more internal counters.

Indicates that communication activity or communication health statistics can be read for diagnostic purposes.

Indicates that communication errors can be accumulated and read through the product diagnostics.

Indicates whether accumulated product operating time or loaded operating time is counted according to the manufacturer's definition.

Indicates that a maintenance or service interval can be monitored based on calendar time, accumulated operating time or manufacturer-defined service criteria.

Manufacturer-declared delay before reconnection or resumption of power export after acceptable grid conditions have been restored.

Indicates that the product can automatically reconnect to the utility grid after valid grid conditions are restored.

Grid interaction control modes supported by the power-conversion equipment.

Grid-support and grid-code control functions implemented by the inverter.

Indicates that active power exported to the utility grid can be limited.

Indicates support for operation intended to prevent net active-power export to the utility grid.

Indicates that an external meter or power sensor can be used for grid export limitation or energy-flow control.

Indicates that manufacturer-provided grid-code or country-specific operating profiles can be selected or commissioned.

Number of manufacturer-provided grid-code or country-specific operating profiles available in the product.

Indicates that applicable grid protection thresholds or timing parameters can be configured during commissioning.

Indicates that the rate of change of active power output can be controlled or limited.

Indicates that the power-conversion system is designed to intentionally energize an isolated local electrical system when disconnected from the utility grid.

Indicates manufacturer-declared transfer to backup operation without an interruption significant for the intended supported loads.

Indicates that the converter is designed to transfer electrical power in both directions between its electrical ports.

Indicates that the converter incorporates a manufacturer-integrated precharge function for limiting inrush current while energizing the DC bus or internal DC-link capacitance.

Indicates that the product can convert AC input power to controlled DC power for charging the connected battery system.

Compliance with IEC 62477-1 general safety requirements for applicable power electronic converter systems and equipment.

Compliance with the applicable European adoption of IEC 62477-1.

Compliance with applicable IEC 62368-1 safety requirements for audio/video, information and communication technology equipment or power supplies within its scope.

Compliance with the applicable European adoption of IEC 62368-1.

Compliance with IEC 61010-1 general safety requirements where the product is intended for measurement, industrial control or laboratory equipment applications.

Compliance with UL 1012 requirements applicable to power units other than Class 2.

Compliance with UL 62368-1 safety requirements where applicable to audio/video, information or communication technology equipment and associated power supplies.

Compliance with UL 61010-1 safety requirements where applicable to measurement, control and laboratory equipment.

Indicates declared compliance of the product with the applicable UL 508 requirements for industrial control equipment where that standard applies to the product.

Compliance with applicable IEC 61000-6-2 generic immunity requirements for industrial environments.

Compliance with the applicable European adoption of IEC 61000-6-2.

Compliance with applicable IEC 61000-6-3 generic emission requirements for residential environments.

Compliance with the applicable European adoption of IEC 61000-6-3.

Compliance with applicable IEC 61000-6-4 generic emission requirements for industrial environments.

Compliance with the applicable European adoption of IEC 61000-6-4.

Compliance with applicable EN 55032 electromagnetic emission requirements for multimedia equipment.

Compliance with applicable EN 55035 electromagnetic immunity requirements for multimedia equipment.

Indicates declared compliance of the product with the applicable requirements of IEC 60715 for standardized mounting rails for electrical equipment.

Indicates declared compliance of the product with the applicable requirements of EN 60715 for standardized mounting rails for electrical equipment.

Regions or markets for which the manufacturer declares regulatory or certification compliance of the product.

Certification, market-approval, or conformity marks applicable to the product.

Primary normative document or standard according to which the manufacturer classifies or assesses the product.

Additional normative documents and standards declared by the manufacturer as applicable to the product.

Indicates whether an official declaration of conformity is available for the product.

Indicates whether a certificate relating to the declared certification or conformity of the product is available.

Identification number of the certificate relating to the product or its certified version.

Name of the organization that issued the certificate or performed the relevant conformity assessment.

Indicates whether the product was tested by an organization independent of the manufacturer.

Indicates whether the CE marking is applied to the product where applicable.

Indicates whether the UKCA marking is applied to the product where applicable.

Indicates whether the EAC marking is applied to the product where applicable.

Indicates whether the product has a declared UL Listed certification or recognition status.

Indicates whether the product has a declared UL Recognized certification or recognition status.

Indicates whether the cULus mark is applied to the product where applicable.

Indicates whether the product has a declared CSA certification or recognition status.

Indicates whether the product has a declared TÜV certification or recognition status.

Indicates whether the product has a declared VDE certification or recognition status.

Indicates whether product compliance with applicable RoHS restrictions on hazardous substances has been declared.

Indicates whether the manufacturer declares compliance of the product with applicable REACH Regulation requirements.

Indicates whether the product falls within the scope of WEEE requirements for waste electrical and electronic equipment.

Mass of the product itself, excluding transport packaging, additional accessories, and external equipment.

Mass of the product together with its individual packaging and the accessories included in it.

External horizontal dimension of the product's individual package.

External vertical dimension of the product's individual package.

External depth dimension of the product's individual package.

Design type of the product's individual or transport packaging.

Number of individual products contained in one packaging unit at the specified level.

Country of origin of the goods declared for customs or commercial purposes.

Commodity code under the international Harmonized Commodity Description and Coding System.

Commodity code under the Combined Nomenclature of the European Union.