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    What solution does Schneider Electric offer for arc-flash incident energy mitigation?

    Issue:
    Arc Flash mitigation

    Product Line:
    Masterpact and Powerpact P and R

    Resolution:
    Prior to October 2015, the AMS system was used.  Refer to FAQ FA176050 for more information on this option.
    Since October 2015, the Energy Reduction Maintenance Setting (ERMS) System has been the preferred method of reducing arc-flash incident energy.

    The ERMS switch can be turned “ON” to reduce circuit breaker tripping time. This sets the instantaneous pickup to a pre-programmed value.
    Default if not programmed = 2 x In. 
    Basic components are:
    1. A Masterpact or Powerpact circuit breaker with a Micrologic P or H trip unit with a blue label on the upper right corner with the letters ERMS
    2. An I/O Module (Input/Output Programmable Module) LV434063
    3. A switch, ULP cable, power supply
    See attached for more information, esp. page 5 for instructions and page 19 for the wiring diagram.

     

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