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.

Minimum number of battery modules required for a valid manufacturer-approved battery-system configuration.

Maximum total number of battery modules permitted in a manufacturer-approved battery-system configuration.

Maximum number of battery modules permitted in one series-connected battery string.

Maximum number of battery modules or equivalent module strings permitted in parallel.

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.

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.

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.

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

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

Continuous rated active output power of the power conversion device.

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

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

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

General electrical power conversion technology used by the product.

Primary converter circuit topology used for power conversion.

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.

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.

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.

Waveform produced at the AC output during normal conversion operation.

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

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.

Nominal electric-charge capacity of the battery or battery system.

Nominal stored energy capacity of the battery or battery system.

Number of electrochemical cells connected in series in the supported or integrated battery string.

Number of battery strings connected in parallel in the supported battery configuration.

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.

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 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 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.

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

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

Manufacturer-declared usable energy available from the battery within the permitted state-of-charge and depth-of-discharge limits.

Maximum manufacturer-permitted battery depth of discharge.

Manufacturer-recommended depth of discharge for normal service or declared lifetime performance.

Maximum manufacturer-declared battery charging rate expressed as a C-rate relative to nominal battery capacity.

Maximum continuous battery discharge rate expressed as a C-rate.

Maximum short-duration battery discharge rate expressed as a C-rate.

Maximum duration for which the manufacturer-declared peak battery discharge capability may be maintained.

Manufacturer-declared ratio of discharged energy to charging energy for a complete battery charge-discharge cycle under specified conditions.

Manufacturer-declared percentage of stored battery capacity lost through self-discharge over one month under specified reference conditions.

Maximum manufacturer-approved nominal battery energy capacity after expansion with supported modules.

Indicates separate measurement or registration of energy flowing in both import and export directions.

Indicates support for four-quadrant measurement of active and reactive power or energy, distinguishing direction and reactive quadrant where applicable.

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.

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

Temperature below which normal operation may resume after thermal shutdown.

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

Transport Layer Security protocol versions supported for protected network communication.

Indicates that user permissions can be differentiated by user role or authorization level.

Indicates that security-relevant events such as authentication failures or configuration access can be recorded.

Indicates that the device verifies the integrity or authenticity of executable firmware during startup.

Indicates that firmware update packages are cryptographically authenticated before installation.

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 battery temperature at which charging is manufacturer-declared as permitted.

Maximum battery temperature at which charging is manufacturer-declared as permitted.

Minimum battery temperature at which discharging is manufacturer-declared as permitted.

Maximum battery temperature at which discharging is manufacturer-declared as permitted.

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 whether an integrated real-time clock is provided for timekeeping, event time-stamping, or time-based functions.

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 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 automatic periodic battery testing is supported.

Indicates that a battery test can be initiated manually or on demand.

Indicates that the interval between automatic battery tests can be configured.

Minimum configurable interval between automatic battery tests.

Maximum configurable interval between automatic battery tests.

Manufacturer-declared or configured duration of the battery test procedure.

Indicates that the result of a battery test can be indicated locally or remotely.

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 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.

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.

Number of integrated physical Ethernet communication ports.

Number of integrated physical RS-485 communication interfaces.

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 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 number of charge-discharge cycles under the stated reference conditions.

Depth of discharge used for the manufacturer-declared battery cycle-life rating.

Battery temperature associated with the manufacturer-declared cycle-life rating.

Remaining battery capacity used as the end-of-life criterion for the declared cycle-life rating.

Manufacturer-declared calendar service life under the stated storage or operating conditions.

Thermal-management methods integrated in or manufacturer-declared for the battery or energy-storage system.

Indicates that manufacturer-approved additional battery modules may be added to increase installed energy capacity.

Indicates that the device can distinguish the direction of active power flow.

Indicates whether a data-logging function is provided for recording supported measurements, states, or process parameters.

Indicates manufacturer-supported communication with a cloud or remote Internet service.

Indicates that measurement, status or configuration data can be accessed through a documented application programming interface.

Indicates that the internal clock can be synchronized from an external radio, satellite, network or other reference time source.

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 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 IEC 62619 safety requirements for secondary lithium cells and batteries used in industrial and stationary applications.

Compliance with applicable IEC 63056 safety requirements for secondary lithium cells and batteries used in electrical energy storage systems.

Compliance with applicable IEC 62933-5-2 safety requirements for grid-integrated electrochemical electrical energy storage systems.

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.