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Cummins RA100INT 100A 1ph-120/240V Nema 1 Automatic Transfer Switch with 20-circuit Load Center

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The integrated version of the RA series includes 20 spaces for breakers and a transfer switch in one enclosure. These products are Listed to UL 67 and CSA C22.2 No.29, and are UL1008 compliant. The switch assembly and generator set combination are specifically designed for a simplified, quicker installation.

This UL/CSA switch is suitable for standby power systems in residential and light commercial applications. This product adheres to National Electrical Code (NEC) and National Fire Protection Association (NFPA) requirements.

This switch monitors utility power 24 hours a day and 7 days a week. When utility power becomes unsatisfactory or fails; the generator set is signaled to start, then automatically transfers the load. When stable utility voltage returns, the transfer switch will automatically switch electrical load from the generator to the utility. No action is required by the home owner.


  • A powerful and economical solenoid drives the mechanism and a long-life, high pressure, silver alloy contact resists burning and pitting
  • Fully rated neutral and ground bar are silver plated with bonding jumper
  • Solderless screw type terminals for external power connections for ease of connection
  • Integrated branch circuit breaker panel with 20 spaces that allows 24 circuits with 4 tandem breakers and are Square D, QO series breaker compatible.


RA100INT Spec Sheet RA100INT Specifications Sheet

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