IFC 4.3.x development

7.4.2.24 IfcSwitchingDeviceTypeEnum

7.4.2.24.1 Semantic definitions at the entity

The IfcSwitchingDeviceTypeEnum defines the range of different types of switch that can be specified.

HISTORY  New type in IFC2x2.

Items

CONTACTOR
DIMMERSWITCH

A dimmer switch has variable positions, and may adjust electrical power or other setting (according to the switched port type).

EMERGENCYSTOP

An emergency stop device acts to remove as quickly as possible any danger that may have arisen unexpectedly.

KEYPAD

A set of buttons or switches, each potentially applicable to a different device.

MOMENTARYSWITCH
SELECTORSWITCH

A selector switch has multiple positions, and may change the source or level of power or other setting (according to the switched port type).

STARTER

A starter is a switch which in the closed position controls the application of power to an electrical device.

SWITCHDISCONNECTOR

A switch disconnector is a switch which in the open position satisfies the isolating requirements specified for a disconnector.

TOGGLESWITCH
RELAY

A device designed to produce sudden predetermined changes in one or more electric output circuits, when certain conditions are fulfilled in the electric input circuits controlling the device. Note: definition from IEC 60050 151-13-31.

START_AND_STOP_EQUIPMENT

A switch for alternatively closing and opening one or more electric circuits.

USERDEFINED

User-defined type.

NOTDEFINED

7.4.2.24.1 Formal representations

TYPE IfcSwitchingDeviceTypeEnum = ENUMERATION OF
	(CONTACTOR
	,DIMMERSWITCH
	,EMERGENCYSTOP
	,KEYPAD
	,MOMENTARYSWITCH
	,SELECTORSWITCH
	,STARTER
	,SWITCHDISCONNECTOR
	,TOGGLESWITCH
	,RELAY
	,START_AND_STOP_EQUIPMENT
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;