Pset_SectioningDevice Properties of sectioning device used in railway. The property set can be used by the predefined type INSULATOR of IfcDiscreteAccessory. IfcDiscreteAccessory/INSULATOR IfcDiscreteAccessory/INSULATOR SectioningDeviceType Indicates the sectioning device type. DIFFERENT_POWER_SUPPLY_SEPARATION PHASE_SEPARATION SAME_FEEDING_SECTION_SEPARATION OTHER NOTKNOWN UNSET DIFFERENT_POWER_SUPPLY_SEPARATION Different power supply separation. PHASE_SEPARATION Phase separation. SAME_FEEDING_SECTION_SEPARATION Same feeding section separation. OTHER required category not on scale (other) Value is not listed. NOTKNOWN Value is unkown (unknown) Value is unknown. UNSET Value has not been specified (unset) Value has not been specified.