United States


11665 West Bradley Road
Milwaukee, WI, 53224
United States

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DCBM 400 & 600

Direct Current Billing Meter - A smart, compact and certified billing solution for high power EV charging

DCBM 400 & 600


  • State-of-the-art LEM DC measurement
  • Shaped for industrial constraints
  • Easy integration for retrofit and new infrastructures
  • "Plug&Play" software integration
  • Flexible integration with busbars or cables
  • OCMF readouts compliant with S.A.F.E
  • Compliant for energy billing or parking time billing
  • System monitoring


  • EN 50470-1:2006
  • EN 50470-3:2006
  • PTB-A 50.7
  • PTB-A 20.1
  • CISPR32 Class-B emission
  • IEC 62052-11:2003
  • IEC 61000-6-2:2016
  • IEC 61000-6-3:2016
  • UL94-V0
  • Complies with applications using VDE-AR-E-2418-3-100


  • Proprietary split concept
  • Compliant with legal metrology for billing systems
  • Range of operation 150…1000 V DC
  • Two sizes: Imax 400A and Imax 600A,
  • Robust design with wide current terminals, compliant with busbars
  • Bi-directional energy metering (V2G)
  • Accuracy Class B, -40°C to 85°C
  • Compliant with 4-wire measurement
  • Cable loss compensation
  • Ethernet communication with HTTP/HTTPS
  • Signed data readouts in OCMF or LEM format
  • Real-time monitoring of current / voltage / temperature / energy
  • Integrated display with backlight
  • Transaction handling with start & stop tags and user data fields andauthentication
  • Auxiliary power supply range +12 ... +48 V DC
  • DIN rail 35mm and screw mounting
  • Length of Datalink cable from 30 cm up to 3.5 m
  • Reinforced insulation at 1000 VDC, OVC II, Uimp 8 kV
  • Sealing of terminals and interfaces
  • IP20 case rating
  • Support of NTP time sync., static/DHCP IP addressing
  • Event detections (over-temperature, time synchronization, detection of incorrect voltage connection)





Baumusterprüfbescheinigung certificate

Certification documents

Product overview

Product documentation

Installation manual (EN/DE/FR)

Product documentation

Bedienungsanleitung – Anzeige (DE)

Product documentation

Operation manual

Product documentation

3D DCBM_40x0

Technical resources

3D DCBM_60x0 solid works


Technical resources

LEM launches innovative and certified DC meter solution for electric vehicle chargers

Press release