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Gravity Change-over Contactors

 

Automatic Gravity Change-over Contactors are used in emergency lighting systems to provide continuity of supply for AC or DC standby in the event of mains failure.

These contactors are designed for use on single phase, 230V 50Hz supply with an AC or DC standby system and have 2 poles for load switching and an additional pole for an alarm or charging circuit.

Standard units are supplied fully enclosed in an IP42 sheet steel enclosure (suffix 'E'), back connected with a sheet steel dust cover (suffix 'D') or front connected open type (suffix 'U').

230V AC 50Hz control coil voltage is standard, available alternative available are detailed in the table below.

Information & prices for 4 or 5 pole versions of the 60 & 100A sizes are available on request.  See data sheet DGCC for full technical specifications.

 
Load Amps AC Mains, AC Standby (DC available) Enclosed Dust Protected Open
30 GCCA30
60 GCCA60
100 GCCA100
 


 

 

Ordering Example

 
  • Suitable for commercial, industrial, traction and domestic applications

  • Reliable control in accordance with BS EN 60947-4

  • Quality Assessed to BS EN 9002:1994

  • Reduced operating costs and silent operation by means of a DC magnet system fed from an integral rectifier as standard

  • Heavy duty silver alloy faced contacts giving excellent anti-weld properties and long trouble free life.

  • IP42 protection provided as standard by steel enclosures - higher levels of protection also available on request

  • Complete range available from 10 to 1250 Amps, up to 18 poles, AC or DC loads

  • Factory Fitted Options available on all contactor ranges

  • Fit and Forget : easy to install and maintain with replacement parts readily available