top of page

Earth Leakage Relay
P/N: BEN-B74043023

The RCMA423 monitors for ground faults in grounded and high-resistance grounded AC, DC and mixed AC/DC systems.


  • Ground fault monitoring for AC, DC and mixed AC/DC systems

  • Main alarm value, adjustable 30 mA...3 A

  • Separate prewarning alarm value, adjustable 50...100% of the main alarm

  • Frequency range 0...2000 Hz

  • 3 separately adjustable time delays: start-up, response, and release

  • LCD screen with real-time value display

  • Latching/non-latching operating mode

  • CT connection monitoring

bottom of page