Answer / prince

Anti-pumping relay is used for protecting the closing coil
of the circuit breaker.The Anti-pumping relay contact(NC)
has been taken in series to the CB closing circuit.

Answer / priyabrata

Anti pumping relay is nothing but it works as a protecting
device for close coil.It protects close coil for instants
operation when close command goes to breaker.Once breaker
get close comand it close but after closing if breaker gets
close command then anti pumping contactor prevents that.

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