7.4.4.61 Pset_ProtectiveDeviceTypeCircuitBreaker
7.4.4.61.1 Semantic definition
A coherent set of attributes representing different capacities of a circuit breaker or of a motor protection device, defined in accordance with IEC 60947. Note - A protective device may be associated with different instances of this property set providing information related to different basic characteristics.
7.4.4.61.2 Applicable entities
- IfcProtectiveDevice/CIRCUITBREAKER
- IfcProtectiveDeviceType/CIRCUITBREAKER
7.4.4.61.3 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 circuit breaker 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. |