Is a time delay available for the Masterpact NW/NT undervoltage trip?
Need a delay on standard undervoltage relay (UVR) in breaker.
Applies to Masterpact NW/NT breakers.
To eliminate circuit breaker nuisance tripping during a temporary voltage dips, operation of the undervoltage trip (MN/UVR) delayed. This function is achieved by adding a external delay unit (either adjustable or non-adjustable) to the undervoltage trip (MN/UVR) circuit.
Yes. Time delay modules can be used with the NW/NT UVR in the following voltages:
Adjustable (adjustable with dial on the front via pocket screw driver):