RCM-EV-01/S Residual Current Monitoring Device

  • Direct to cable mounting
  • Compliant with IEC 62752
  • Fixed 6mA DC and 30mA AC trip levels
  • For Mode 2 and Mode 3 applications
  • Combined single switching output
  • 13.5mm cable aperture

A compact residual current monitor for Mode 2 and Mode 3 EV charging equipment, providing combined detection of 6 mA smooth DC and 30 mA AC residual currents. The /S variant is designed for direct attachment to the monitored cable and provides a single open-collector fault output.

  • Auxiliary supply: 5–12 V DC
  • Monitored circuit: 230/400 V AC, 32 A, 50/60 Hz
  • Residual current trip level: 6 mA DC / 30 mA AC (fixed)
  • Application: Mode 2 and Mode 3 EV charging
  • Outputs: Combined single open-collector fault output
  • Mounting: Cable mounting; rear right-angle latching connector
  • Dimensions (mm): W:42.5 × H:46 × D:27 mm
  • Product standard: IEC 62752

Typical applications include:

  • Portable Mode 2 EV chargers
  • Residential Mode 3 wallboxes
  • Workplace AC charging points
  • Fleet depot AC charging

Key benefits:

  • Supports a controlled fault response — Detection of 6 mA smooth DC and 30 mA AC residual currents provides a signal that the charging controller can use to command external disconnection of the affected charging circuit.
  • Simplifies cable-based installation — Direct attachment to the monitored cable and a rear latching connector allow the sensor to be positioned around the cable and connected to the charger electronics.
  • Simplifies fault-signal handling — A combined open-collector output presents AC or DC threshold detection through one fault signal, allowing a common response within the charging controller.
  • Supports functional verification — The documented test input allows the charger electronics to initiate a test of the monitoring function during equipment verification or a system-controlled test sequence.

Alternative product:

Icon: switch product
RCM-EV-01/P Residual Current Monitoring Device
  • Compliant with IEC 62752
  • Fixed 6mA DC and 30mA AC trip levels
  • For Mode 2 and Mode 3 applications
  • Combined single switching output
  • 13.5mm cable aperture
  • PCB mounting
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