Murray Combination Type Arc Fault Circuit Interrupters

The Combination Type AFCI differs from the Branch/Feeder AFCI in its ability to detect series arcing faults. The Branch/Feeder AFCI can only detect line-to-neutral and line-to-ground arcing faults. Combination AFCIs provide protection against the high-energy parallel (line-to-neutral and line-to-ground) arcing and low-energy series arcing. “Combination” does NOT mean an AFCI + GFCI. Combination = parallel + series arcing. Combination AFCIs protect downstream branch circuit wiring, cord sets, and power supply cords.

Murray Combination Type AFCI trip indicators provide a valuable analysis tool to help electricians pinpoint the type of trip. These indicators are in the form of LEDs that appear near the handle of the breaker. The LED indications will appear for 5 seconds each time the AFCI is turned “ON” up to 30 days after the last trip.

Features and Benefits

Industry exclusive multi-wiring/shared neutral solution

  • Save on Wiring Cost and Installation Time - Siemens 2-pole AFCI can reduce wiring costs and installation time by enabling contractors to use multi-wire branch circuits, commonly known as "shared neutrals".  When using single pole  CAFCIs, a dedicated neutral is required for each circuit. The new 2-pole CAFCI allows electricians to share neutrals between the two circuits fed by the breaker.

Show me the Savings - To find out how much you could save in wiring cost by using the new 2-pole CAFCI, go to our Savings Calculator.

Industry exclusive LED indicators

  • Trip indicators provide a valuable analysis tool to help electricians pinpoint the type of trip.

  • The LED indications will appear for 5 seconds each time the AFCI is turned “ON” up to 30 days after the last trip.

  • One LED will be illuminated if the last trip was a result of an arcing fault (as indicated on each leg).

  • Three LEDs will be illuminated if the last trip was a result of an arcing fault to ground.

  • No indication will be displayed if the AFCI trips as a result of an overcurrent condition.

  • This last known trip indication can also be cleared from memory to assist with verifying resolution of the problem.

Insta-Wire connectors

  • Provide electricians valuable time savings in installation.