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    What do the breaker status flags on a Masterpact NW indicate?

    Why do the flags on a Masterpact NW indicate Charged and Not-OK when it is charged and open? 

    Product Line:
    Circuit breakers

    Masterpact NW

    Breaker flags indicate whether or not the breaker is open or closed, whether the springs are charged or not, and if the breaker will close with a close command.
    The flags will indicate charged and OK only if the following conditions are met:
    • Breaker is open and charged
    • Shunt trip (if present) is NOT energized
    • UVR (if present) is energized
    • There is no padlock in place
    • Keylock (if present) is in operable position
    • Other interlocks such as spring-discharge and rod/cable interlocks are satisfied


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