Issue:
What is the function of the undervoltage trip for the Powerpact P-frame, R-frame, and NS630b - NS3200 electronic trip circuit breakers?
Product Line:
Molded case circuit breakers.
Environment:
Products sold in the United States.
Cause:
Product features.
Resolution:
The undervoltage trip accessory trips the circuit breaker when the voltage drops to a value between 35% and 70% of the control voltage. If the undervoltage trip is not energized, it is impossible to close the circuit breaker, either manually or electrically. An attempt to close the circuit breaker produces no movement of the main contacts. Closing is allowed when the supply voltage of the undervoltage trip reaches 85% of the rated voltage.
What is the function of the undervoltage trip for the Powerpact P-frame, R-frame, and NS630b - NS3200 electronic trip circuit breakers?
Product Line:
Molded case circuit breakers.
Environment:
Products sold in the United States.
Cause:
Product features.
Resolution:
The undervoltage trip accessory trips the circuit breaker when the voltage drops to a value between 35% and 70% of the control voltage. If the undervoltage trip is not energized, it is impossible to close the circuit breaker, either manually or electrically. An attempt to close the circuit breaker produces no movement of the main contacts. Closing is allowed when the supply voltage of the undervoltage trip reaches 85% of the rated voltage.
Released for: Schneider Electric USA
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