Issue:
What is the difference between a shunt trip and shunt close module on a Masterpact NW or NT breaker?
Product Line:
Power circuit breakers
Resolution:
There is no difference in the accessory and they are marked to be used as either. Their function is determined by which position they occupy in the breaker. When used as a shunt trip, the coil trips the breaker when the rated voltage (Vn) is applied. When used as a shunt close, the coil closes the breaker when Vn is applied as long as there is nothing preventing the breaker from closing (an open command, the open button being pressed, and engaged padlock attachment, etc.) See attached instruction bulletin 48049-146-01 for more information.
What is the difference between a shunt trip and shunt close module on a Masterpact NW or NT breaker?
Product Line:
Power circuit breakers
Resolution:
There is no difference in the accessory and they are marked to be used as either. Their function is determined by which position they occupy in the breaker. When used as a shunt trip, the coil trips the breaker when the rated voltage (Vn) is applied. When used as a shunt close, the coil closes the breaker when Vn is applied as long as there is nothing preventing the breaker from closing (an open command, the open button being pressed, and engaged padlock attachment, etc.) See attached instruction bulletin 48049-146-01 for more information.
Released for: Schneider Electric USA
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