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 available digital inputs of the product.

Number of available digital outputs of the product.

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

Number of integrated analog outputs provided by the product.

Number of integrated analogue input channels.

Number of independently usable monitoring, switching or alarm thresholds provided by the device.

Maximum number of independently configurable load-priority levels.

Maximum number of independently addressable energy assets that can participate in EMS control.

Maximum number of external electricity meters that can be simultaneously integrated into the EMS.

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

Number of integrated physical Ethernet communication ports.

Number of integrated physical RS-485 communication interfaces.

Number of integrated physical USB ports provided by the product, including charging, data, communication or programming ports.

Number of integrated physical CAN communication interfaces.

Number of physical serial ports that can be configured for more than one electrical serial standard.

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.

Technological surface treatment applied to modify its protective, mechanical, or decorative properties.

Type of protective, functional, or decorative coating applied to the surface.

Material or chemical basis of the coating applied to the surface of the product or one of its parts.

Primary material from which the product is manufactured.

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

Profile type of the DIN rail installed in the product or specified for compatible mounting.

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.

Type of surface or supporting base to which the product may be fixed.

Number of holes provided in the product for mechanical fixing.

Diameter of the hole provided for a fixing element used when mounting the product.

Geometric shape of the hole intended for mechanical fixing of the product.

Distance between the centres of mounting holes in the horizontal direction.

Distance between the centres of mounting holes in the vertical direction.

Horizontal dimension of the mounting pattern between the outermost fixing points of the product.

Vertical dimension of the mounting pattern between the outermost fixing points of the product.

Size designation of the screw, bolt, or other threaded fastener used for mounting the product.

Designation of the thread provided in the product's mounting holes or fixing elements.

Tightening torque recommended or permitted for fasteners during product installation.

Indicates whether the required fasteners are included with the product.

Indicates whether the design provides for mounting equipment on a DIN rail.

Indicates whether equipment may be mounted directly to the mounting surface without an intermediate DIN rail.

Number of phases of the electrical system for which the product is designed to be connected or used.

Indicates whether the product can measure and provide electrical voltage values.

Indicates whether the product can measure and provide electrical current values.

Indicates whether the product can measure and provide electrical network frequency values.

Indicates whether measurement of active, reactive, or apparent electrical power is supported.

Indicates whether measurement or cumulative metering of electrical energy is supported.

Electrical measurement principle used for evaluation of the monitored signal, such as true RMS, RMS, average-value or direct-value measurement.

Minimum signal frequency accepted by the measuring circuit for the declared monitoring or measurement function.

Maximum signal frequency accepted by the measuring circuit for the declared monitoring or measurement function.

Manufacturer-declared accuracy of voltage measurement where expressed as a single percentage value.

Lowest voltage that can be measured or monitored within the manufacturer-declared measuring range.

Highest voltage that can be measured or monitored within the manufacturer-declared measuring range.

Manufacturer-declared absolute accuracy of frequency measurement.

Lowest current that can be measured or monitored within the manufacturer-declared measuring range.

Highest current that can be measured or monitored within the manufacturer-declared measuring range.

Indicates that the measuring circuit supports connection through an external current transformer.

Indicates that the current transformer ratio used for measurement scaling can be configured in the device.

Minimum configurable primary current value used for current transformer scaling.

Maximum configurable primary current value used for current transformer scaling.

Standard secondary current ratings of external current transformers supported by the measuring input.

Indicates that active electrical power is measured or calculated by the device.

Manufacturer-declared relative accuracy of current measurement where expressed as a percentage.

Indicates that reactive electrical power is measured or calculated by the device.

Indicates that apparent electrical power is measured or calculated by the device.

Indicates that the electrical power factor is measured or calculated by the device.

Supported methods for connecting the monitored current to the measuring device.

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

Power-flow directions that can be measured or evaluated by the product.

Lower limit of the manufacturer-declared active-power measuring range.

Upper limit of the manufacturer-declared active-power measuring range.

Manufacturer-declared relative accuracy of active-power measurement.

Lower limit of the manufacturer-declared reactive-power measuring range.

Upper limit of the manufacturer-declared reactive-power measuring range.

Manufacturer-declared relative accuracy of reactive-power measurement.

Lower limit of the manufacturer-declared apparent-power measuring range.

Upper limit of the manufacturer-declared apparent-power measuring range.

Manufacturer-declared relative accuracy of apparent-power measurement.

Lower limit of the manufacturer-declared power-factor measuring range.

Upper limit of the manufacturer-declared power-factor measuring range.

Manufacturer-declared absolute accuracy of power-factor measurement expressed as a cos φ value difference.

Indicates that the device distinguishes inductive lagging and capacitive leading power-factor conditions.

Overall electrical measurement connection topology of the device, distinguishing direct measurement and operation through external current, voltage, shunt, Rogowski or sensor interfaces.

Supported methods for connecting the voltage measuring circuit, such as direct connection or connection through an external voltage transformer.

Indicates that the measuring device supports voltage measurement through an external voltage transformer.

Indicates that the voltage transformer ratio used for measurement scaling can be configured in the device.

Minimum configurable primary voltage value used for voltage-transformer measurement scaling.

Maximum configurable primary voltage value used for voltage-transformer measurement scaling.

Standard secondary voltage ratings of external voltage transformers supported by the measuring input.

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.

Indicates that measured electrical quantities are available separately for individual phases.

Indicates that current in the neutral conductor can be measured independently.

Indicates that aggregate or total system values are calculated in addition to individual phase measurements.

Indicates that the device measures or accumulates active electrical energy.

Indicates that the device measures or accumulates reactive electrical energy.

Indicates that the device measures or accumulates apparent electrical energy.

Indicates separate measurement or accumulation of imported energy.

Indicates separate measurement or accumulation of exported energy.

Indicates calculation or accumulation of net energy resulting from import and export energy flow.

Reactive-energy quadrants that can be separately measured or registered.

Minimum configurable site grid-import active-power limit.

Maximum configurable site grid-import active-power limit.

Minimum configurable active-power export limit applied at the site grid connection point.

Maximum configurable active-power export limit applied at the site grid connection point.

Minimum configurable battery state-of-charge reserve setpoint.

Maximum configurable battery state-of-charge reserve setpoint.

Manufacturer-declared response time between a valid site power-control request and initiation of the corresponding EMS control action.

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

Voltage value assigned to the product by the manufacturer for specified application conditions and characteristics.

Rated RMS value of alternating voltage assigned to the product by the manufacturer.

Rated direct voltage assigned to the product by the manufacturer.

Maximum voltage at which continuous operation of the product is permitted under the conditions declared by the manufacturer.

Minimum voltage at which the manufacturer guarantees the intended operating mode of the product.

AC frequency assigned to the product for normal operating conditions.

Conductor connection methods supported by the specified terminals or connection elements.

Tightening torque specified by the manufacturer for a screw or bolted terminal connection.

Voltage with reference to which the product's insulation clearances and dielectric properties are specified.

Peak value of an impulse voltage of specified waveform that the product insulation must withstand without breakdown.

Test voltage applied to verify the dielectric strength of the product insulation.

Minimum permissible insulation resistance between the specified electrically separated parts.

Category characterizing the expected level of impulse overvoltages at the product's point of use.

Degree of pollution of the surrounding microenvironment considered when selecting insulation distances and product characteristics.

Type of electrical insulation used, considered in terms of its protective function and construction.

Class of protection against electric shock determined by the product design and protective connection method.

Energy-management control behavior applied when communication with controlled assets, supervisory systems or required external services is lost.

Manufacturer-declared communication-loss duration after which the EMS applies its configured communication-failure behavior.

Indicates that the EMS can automatically transition from remote, cloud or supervisory control to locally executed control after loss of the external control path.

Primary control strategy used by the EMS after loss of the normal supervisory, cloud or external optimization source.

Maximum time for which the last valid energy-dispatch or power-control setpoint may remain active after loss of its command source.

Indicates that a predefined safe energy-management policy can be applied when normal optimization or supervisory control is unavailable.

Indicates that loss of a required or configured cloud connection can generate an explicit EMS alarm or diagnostic event.

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.

Mechanical impact energy that the product or enclosure can withstand in the specified test.

Enclosure type or rating under the NEMA system characterizing the conditions and types of external influences against which protection is provided.

Indicates whether the declared ingress protection of the enclosure has been verified by certification or testing.

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.

Indicates that access to network, web, API or remote configuration functions can require authenticated user credentials.

Indicates support for encrypted data communication through one or more manufacturer-supported communication services.

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.

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.

Minimum ambient temperature at which the manufacturer permits installation of the product.

Maximum ambient temperature at which the manufacturer permits installation 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.

Minimum altitude relative to sea level for which the manufacturer specifies permissible installation 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 documentation is included in the product's standard supply.

Indicates whether a local human-machine interface (HMI) is provided for monitoring, configuration, or control.

Indicates whether the product has an integrated local display.

Technology or construction type of the product's integrated display.

Indicates whether the integrated display has a backlight.

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

Indicates whether the product stores or provides minimum and maximum values of measured quantities.

Indicates whether demand calculation or measurement is supported for specified electrical quantities.

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.

Electrical or physical monitoring functions provided by the device, such as overvalue, undervalue, window, phase, frequency, current, power, insulation, temperature or level monitoring.

Indicates that energy values can be accumulated separately in multiple tariff registers.

Maximum number of independent energy tariffs supported by the meter.

Methods supported for selecting or switching active tariff registers.

Indicates the presence of a cumulative total-energy register.

Indicates the presence of one or more partial or subtotal energy registers.

Indicates that a partial energy register can be reset without clearing the legally relevant total-energy register.

Indicates storage of the maximum calculated demand value.

Indicates that the demand calculation interval can be configured.

Minimum configurable interval used for demand calculation.

Maximum configurable interval used for demand calculation.

Indicates that time-series load or energy profile data can be recorded internally.

Minimum configurable interval between stored load-profile records.

Maximum configurable interval between stored load-profile records.

Maximum number of load-profile records retained internally.

Indicates that measured electrical values can be stored internally as historical measurement records.

Maximum number of historical measurement records retained internally.

Indicates that the interval between periodic measurement records can be configured.

Minimum configurable interval between periodically stored measurement records.

Maximum configurable interval between periodically stored measurement records.

Indicates that stored measurement or event history can be exported from the device.

Indicates that the stored maximum demand register can be reset using a manufacturer-supported procedure.

Indicates that the detected phase sequence or phase rotation direction can be presented locally or through communication.

Electrical quantities for which interval demand can be calculated or registered.

Demand calculation algorithms supported by the measuring device.

Indicates that a demand interval may be divided into shorter subintervals for rolling or sliding demand calculation.

Minimum configurable demand-calculation subinterval.

Maximum configurable demand-calculation subinterval.

Indicates calculation of a projected demand value before completion of the current demand interval.

Indicates that measured or calculated quantities can be compared with configured limits to generate alarms or status conditions.

Indicates that configured measurement alarms can be assigned to available relay, digital or equivalent outputs.

Indicates that the measuring device can detect manufacturer-defined wiring errors affecting its voltage or current measurement inputs.

Indicates that incorrect current-transformer polarity or reversed current measurement direction can be detected.

Indicates that an incorrect relationship between voltage and current phase channels can be detected.

Indicates explicit indication when an input or calculated measured quantity exceeds its valid measurement range.

Indicates explicit indication when an input or measured quantity is below its valid or usable measurement range.

Indicates that measured energy consumption can be converted into an estimated monetary cost using user-configurable tariff information.

Indicates whether the product includes integrated electrical measurement functionality beyond basic source-condition monitoring.

Indicates whether shedding or limiting part of the load under specified power-system conditions is supported.

Indicates whether local manual override is provided with intended priority over automatic, programmed, or electrically commanded operation.

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

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 the energy management system can coordinate generation, storage and loads to increase local consumption of locally generated energy.

Indicates that the EMS can reduce site power peaks using controllable generation, storage or loads.

Indicates that the EMS can actively control site demand to remain below a configured demand limit.

Indicates that the EMS can maintain utility-grid import below a configured active-power limit.

Indicates that controllable loads can be assigned priorities for energy-management decisions.

Indicates that the EMS can reserve a configurable portion of battery state of charge for backup or another defined purpose.

Indicates that the EMS can schedule or optimize energy use according to time-dependent electricity tariffs.

Indicates that the EMS can optimize operation using changing electricity-price or tariff information.

Indicates that external electricity-price information can be received for use by energy-management logic.

Indicates that the EMS can receive day-ahead electricity-price data for scheduling or optimization.

Indicates that expected photovoltaic generation can be forecast or imported for use by EMS optimization.

Indicates that future site electrical load can be forecast or imported for use by EMS optimization.

Indicates that weather-forecast data can be used as an external input to energy-management or generation forecasting functions.

Maximum future time horizon supported by the EMS forecasting or forecast-assisted optimization function.

Indicates that generation, storage or controllable loads can be dispatched according to a time-based energy schedule.

Shortest manufacturer-supported time interval between scheduled energy-dispatch setpoints or control periods.

Types of electrical generation, storage or load assets that the EMS can actively coordinate or control.

Indicates that one or more external electricity meters can provide measurements to the EMS for control, optimization or monitoring.

Indicates that energy-management optimization can execute locally on the product without requiring continuous cloud-side computation.

Indicates that manufacturer-supported cloud services can perform or participate in energy-management optimization.

Indicates that core energy-management control remains available during loss of external Internet or cloud connectivity.

Indicates that controlled assets can acknowledge receipt or acceptance of EMS control commands.

Indicates that the EMS can read back the active or accepted control setpoint from a controlled asset.

Indicates that the EMS can determine whether a configured controllable energy asset is currently available for control.

Indicates that communication status of individual controlled energy assets can be monitored by the EMS.

Indicates that energy, power, battery or site operating setpoints can be modified through a supported remote interface.

Indicates that priority between local, remote, cloud, schedule or external supervisory control sources can be configured.

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

Indicates whether the product can store an internal event 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 diagnostic information, status data, or fault information can be obtained remotely.

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

Indicates whether the user can configure the condition that triggers or starts data logging.

Indicates whether the product has a local visual or mechanical indicator of operating, fault, or end-of-life status.

Types of local visual or mechanical status indication provided by the product design.

Indicates that device firmware can be updated by a manufacturer-supported procedure.

Supported methods for assigning network-layer addresses to the Ethernet interface.

Indicates support for Internet Protocol version 6 communication.

Indicates that measured or logged data can be transmitted automatically without an explicit polling request.

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.

Application programming interface types supported by the product or its integrated communication service.

Indicates that firmware can be updated through a supported local or remote data communication interface.

Indicates that loss or inactivity of a communication link can be detected by an internal communication watchdog.

Indicates that the timeout used to detect communication loss or inactivity can be configured.

Minimum configurable communication timeout.

Maximum configurable communication timeout.

Indicates that loss of an expected communication connection can generate a local or remote alarm or diagnostic condition.

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 that communication-interface faults, states or network conditions can be diagnosed by the product.

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 separate manufacturer declaration concerning declared product characteristics or conformity is available.

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.

Country in which the product was manufactured or its principal manufacturing operation was performed.

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

Commodity code under the Combined Nomenclature of the European Union.