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SymCom CIO-120-MB Modbus Module

SymCom CIO-120-MB Modbus Module

SymCom CIO-120-MB Module is a convenient and cost-effective Modbus-RTU interface capable of providing discrete control and monitoring of an overload relay over a Modbus network.


  • Can be used in both new and existing installations
  • Can be used as stand-alone or with a 777-P or 777-P1 series unit
  • Reduced field wiring. Simple Ethernet jack connection for network  
  • Ease in system startup and commissioning
  • Compact size
  • DIN Rail or surface mountable
  • Works with SymCom 777-P overloads
  • Additional remote reset input for reset 777-P
  • Flexible addressing standard
  • Four Digital Inputs +1 dedicated reset input
    • 90-130VAC, 50/60Hz dry contact type inputs
  • 2 relay outputs (1 Form A, 1 Form C)
    • 5A @ 240VA General purose
    • 480VA @ 240VAC Pilot Duty
SymCom CIO-120-MB Modbus Module
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Manufacturer Part Number: CIO-120-MB
Stock # CIO-120-MB
Price: $224.00
Compare At: $450.00

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