7.4.2.24 IfcSwitchingDeviceTypeEnum
7.4.2.24.1 Semantic definition
The IfcSwitchingDeviceTypeEnum defines the range of different types of switch that can be specified.
7.4.2.24.2 Type values
| Type | Description | 
|---|---|
CONTACTOR
 | 
 An electrical device used to control the flow of power in a circuit on or off.  | 
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
 | 
 A momentary switch has no position, and may trigger some action to occur.  | 
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.  | 
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.  | 
START_AND_STOP_EQUIPMENT
 | 
 A switch for alternatively closing and opening one or more electric circuits.  | 
SWITCHDISCONNECTOR
 | 
 A switch disconnector is a switch which in the open position satisfies the isolating requirements specified for a disconnector.  | 
TOGGLESWITCH
 | 
 A toggle switch has two positions, and may enable or isolate electrical power or other setting (according to the switched port type).  | 
USERDEFINED
 | 
 User-defined type.  | 
NOTDEFINED
 | 
 Undefined type.  | 
7.4.2.24.3 Formal representation
TYPE IfcSwitchingDeviceTypeEnum = ENUMERATION OF
	(CONTACTOR
	,DIMMERSWITCH
	,EMERGENCYSTOP
	,KEYPAD
	,MOMENTARYSWITCH
	,RELAY
	,SELECTORSWITCH
	,STARTER
	,START_AND_STOP_EQUIPMENT
	,SWITCHDISCONNECTOR
	,TOGGLESWITCH
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;