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    Which circuit breakers will work with modbus communications?

    Issue: 
    Which circuit breakers will work with modbus communications?


    Product Line:
    Powerpact H, J, L, M, P, R and Masterpact NT and NW circuit breakers,


    Environment:
    Electrical distribution MCCB

    C
    ause:
    Customers want to use modbus communications in some applications.

    Resolution:
    * Electronic trip circuit breakers capable of modbus communication are all Powerpact H, J, and L breakers equipped with advanced (Ammeter or Energy style) Micrologic trip units,
    * Powerpact P and R frame breakers with Ammeter, Power, or Harmonic style trip units, and
    * Masterpact NT or NW breakers with Ammeter, Power, or Harmonic style trip units.


    Modbus communication is optional and requires additional hardware on all PowerPact H, J and L frame breakers and PowerPact P and R frame breakers with an Ammeter trip unit.

    Modbus communication is included as standard for PowerPact P and R frame breakers and Masterpact NT and NW breakers with Power or Harmonic style Micrologic trip units.
    Modbus communication is included when specified for Powerpact P and R frame breakers and Masterpact NT and NW breakers with Ammeter trip units.


    Breaker Communication Module (BCM) catalog numbers (to be ordered only if breaker was shipped without BCM):
    Unit Mount or I-line PowerPact P or R frame: S64205
    Motor Operated PowerPact P frame: S64207
    Drawout PowerPact P frame: S64206


    For NW:  Fixed mount: S47405; Draw-out: S48384.
    For NT:  Fixed mount: S48188; Draw-out: S47485.
    Optional Cradle Communications Module (CCM): S48377


    Powerpact H, J and L frame circuit breakers require a Modbus Interface Module (IFM) STRV00210 and an NSX cord.  See current Digest for appropriate catalog number for NSX cord based on system voltage and cord length.
    For PowerPact H, J and L frame circuit breakers with Standard Micrologic trip units (or thermal-mag trip units) a BSCM with NSX cord may be used to indicate breaker status.  The BSCM can be polled for breaker status but it will not be discovered by network devices such as FDM or IFE modules.  See current Digest for appropriate catalog numbers.
    Other accessories are optional and may be required for specific functions.
     

     

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