Page last updated Jun 21, 2022 @ 09:12am

ZTX-A3A4

DISCONTINUED


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(200A model shown)

Auxiliary Contact Kit
for GE Zenith ZTX series
Automatic Transfer Switches

(field installable)

This A3/A4 auxiliary contact kit provides a "form C" set of contacts that change state in the normal (utility) and in the emergency (generator) switch positions.  Each form C consists of a limit switch containing 1 normally open and 1 normally closed contact tied to a common point.  Connections can be made using 3 slip-on terminals for each form C limit switch.

Auxiliary contacts are useful for remote indication or operation of remote circuits.  A common use is to shut down a large electrical load that cannot be powered by the standby generator.  This is perfect for wiring out to a thermostat circuit to shut down a central air conditioner or heat pump that is too large to be powered by the generator.  Do not exceed contact ratings.  Use an interposing relay if your requirements exceed these contact ratings.

 

Contact Ratings

125/250/277Vac 15 amps, 1/2 hp
125Vdc 1/2 amp
250Vdc 1/4 amp

 

Kit includes 2 limit switches, insulating barriers, mounting plate, hardware and instructions.

 

   

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