IFC 4.3.0.1 (IFC4X3) development

7.4.4.47 Pset_ProtectiveDeviceBreakerUnitTypeMotorProtection

7.4.4.47.1 Semantic definition

A coherent set of attributes representing different capacities of a a motor protection device, defined in accordance with IEC 60947. Note - A protective device may be associated with different instances of this Pset.

7.4.4.47.2 Applicable entities

7.4.4.47.3 Properties

Name Property Type Data Type Description
PerformanceClasses IfcPropertyListValue IfcLabel

A set of designations of performance classes for the breaker unit for which the data of this instance is valid.

A set of designations of performance classes for the breaker unit for which the data of this instance is valid. A breaker unit being a motor protection device may be constructed for different levels of breaking capacities. A maximum of 7 different performance classes may be provided. Examples of performance classes that may be specified include B, C, N, S, H, L, V.

VoltageLevel IfcPropertyEnumeratedValue PEnum_VoltageLevels

The voltage levels for which the data of the instance is valid. More than one value may be selected in the enumeration.

ICU60947 IfcPropertySingleValue IfcElectricCurrentMeasure

The ultimate breaking capacity in [A] for an object tested in accordance with the IEC 60947 series.

ICS60947 IfcPropertySingleValue IfcElectricCurrentMeasure

The service breaking capacity in [A] for an object tested in accordance with the IEC 60947 series.

ICW60947 IfcPropertySingleValue IfcElectricCurrentMeasure

The thermal withstand current in [A] for a circuit breaker or motor protection device tested in accordance with the IEC 60947 series. The value shall be related to 1 s.

ICM60947 IfcPropertySingleValue IfcElectricCurrentMeasure

The making capacity in [A] for a circuit breaker or motor protection device tested in accordance with the IEC 60947 series.

Table 7.4.4.47.A

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7.4.4.47.4 Changelog

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