Wed 12 Dec 2018 11:44:08 PM CET
Wed 12 Dec 2018 11:44:08 PM CET


AC/DC sensitive ground-fault monitoring module RCMB121-… for safe charging of electrical vehicles according to IEC 62752 for IC-CPD and IEC 60364-7-722 for Wall Boxes

  • Features
  • Applications
  • Accessories
  • Ordering information
  • Downloads
  • IEC 627582 and UL 2231 version available
  • Frequency range DC to 2 kHz
  • Full load current up to 80 A r.m.s. (1-phase) or 3 x 32 A r.m.s. (3-phase)
  • Switching output for DC 6 mA/30 mA r.m.s., 5 mA r.m.s./20 mA r.m.s. or DC 6 mA/20 mA r.m.s.
  • Error output (Integrated self-monitoring and test functions)
  • Measurement resolution 0.2 mA
  • Variants with feed through opening or with integrated primary conductors
  • Residual current range 0…300 mA
  • Robust mechanical design suitable for IC-CPD environmental requirements (e. g. drop test)
  • Widely usable in harsh electronic environments (e.g. resistant to external fields)
  • Total system cost significantly reduced compared to RCD type B
    AC/DC sensitive residual current monitoring module RCMB121 for safe charging of electrical vehicles according to BS7671:2018,722.531.2.101 and IEC 62752 Suitable for use in wall boxes, charge stations and other electric vehicle charge points.


Variants of RCMB121

Version Type VAC Type Bender Art. No.
AC 30 mA/DC 6 mA T60404-N4641-X900 RCMB121-1 B94042490
5 mA r.m.s./20 mA r.m.s. T60404-N4641-X901 RCMB121-2 B94042491

Downloads for RCMB121



Category Product Language Date Size Download