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Is it possible to have neutral protection with Masterpact NT/NW three pole circuit breaker.

For three pole circuit breaker the neutral protection is possible with Masterpact NT/NW circuit breaker installed
with Micrologic P and H only. It is not possible with Micrologic A and E.
The current transformer for external neutral
is necessary
.The wiring diagram is identical to the one used for the residual earth-fault protection.
 
 Please refer the same wiring diagram as given below:

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