GV2ME, GV2P, GV2L, GV2LE, GV3P and GV3L Motor protection circuit breakers (MPCB) can be fitted with the following optional fault indicating contact blocks:
GVAD0110
GVAD0101
GVAD1010
GVAD1001
These blocks comprise of fault signalling contacts and instantaneous auxiliary contacts
GVAD0110
A N/O instantaneous auxiliary contact (terminals 53-54), closed when the device is energized and open when the device is de-energized
A N/C fault signalling contact (terminals 95-96), closed if there is no fault, open when a fault (magnetic or thermal) occurs.
GVAD0101
A N/C instantaneous auxiliary contact (terminals 51-52), closed when the device is de-energised and open when the device is energised.
A N/C fault signalling contact (terminals 95-96), closed if there is no fault, open when a fault (magnetic or thermal) occurs.
GVAD1010
A N/O instantaneous auxiliary contact (terminals 53-54), closed when the device is energized and open when the device is de-energized.
A N/O fault signalling contact (terminals 97-98), open if there is no fault, closed when a fault (magnetic or thermal) occurs.
GVAD1001
A N/C instantaneous auxiliary contact (terminals 51-52), closed when the device is de-energized and open when the device is energized.
A N/O fault signalling contact (terminals 97-98), open if there is no fault, closed when a fault (magnetic or thermal) occurs.
The instantaneous auxiliary contact test is performed by creating a state of transition of the handle actuator between the de-energized position and the energized position.
The fault contact test is performed by pressing the test button when the handle actuator is in the closed position.
