Logo

Information material

  • Request product brochures

  • Downloads

Latest news

  • Latest news

  • Events

Contact persons

  • Sales partner Germany

  • Sales partner international

Immediate assistance

  • Technical Support

  • Technical Sales

  • Downloads

  • Service ticket

© 2010 - 2025 Janitza electronics GmbH. All rights reserved.

Cookies

Logo
Choose your language
  • Deutsch DE
  • English EN
  • Español ES
  • English (US) US
  • Choose your industry
    • Data centers

      Efficiency and high availability for critical infrastructure

    • Buildings & Infrastructure

      Reduce operating costs and environmental footprint

    • Energy supply companies

      Measurement at all levels

    • Manufacturing industries

      Measurement technology for efficient production

  • Transparent energy consumption
    • Reduce CO₂ footprint

      Monitoring and lowering emissions

    • Load management

      Reducing costs with dynamic load management

    • Energy management

      Reduce energy consumption and increase energy efficiency

    • Funding for energy efficiency

      Reduce acquisition costs and save energy permanently

    Reliable energy supply
    • Residual current monitoring

      Ensure high availability and increase fire protection

    • Power quality

      Prevent breakdowns, fires, and excessive wear on equipment

    • Janitza project service

      We support you in every phase of the project - from the requirements analysis and selection of suitable products through to installation and ongoing support.

      Our solutions
  • Transparent energy consumption
    • Energy analyzerUMG 800

      Power meters for complete transparency of energy flows

    Product: Reliable energy supply
    • Power analyzer

      Power analyzer for intelligent network analysis

    • Power quality analyzer

      Power Quality Analyzer for highly accurate power quality recording

    • Residual current monitoring devices

      Measurement devices for recording and analyzing residual currents

    More
    • GridVis®9.1

      Power Grid Monitoring Software

    • Current transformer
    • Accessories
    • The Janitza product portfolio

      Janitza offers an extensive product portfolio. You will receive an individual solution for every requirement.

      Show all products
  • Services
    • Power Quality Service
    • Project collaboration
    • Commissioning
    • Support & Field Service
    • Maintenance
    • International network
    • Load management service
    Information
    • Downloads
    • Knowledge base
    • Product discontinuations
    • Product registrations
    • Software Addons
    Insights & Tools
    • Whitepaper
    • Current transformer tool
    • Application reports
    • Request a brochure
    Immediate assistance
    • Technical Support
    • Technical Sales
    • Downloads
    • Service ticket
  • Contact
    • Germany
    • International
    • Technical Support
    Latest
    • News
    • Events
    Company
    • About Janitza
    • CO₂ neutrality
    • Our portfolio
    • Certification & standards

Matching products

Key details at a glance

Always alert – intelligent converters

Janitza Doepke S

The intelligent residual current transformer monitors type B+ DC residual currents up to 300 mA. It requires a 24 VDC supply voltage

Contact us
Residual current transformer, type B
OverviewTechnical detailsDownloads
  • Detection of residual currents of type B+ (up to 300 mA)
  • Pre-alarm in the event of a malfunction
  • Standard interface, 4-20 mA
  • Continuous monitoring of residual currents
  • 24 VDC supply voltage
  • Compact, robust plastic housing
  • Reduction of German Social Accident Insurance (DGUV) V3 (replacement for insulation measurement in stationary electrical systems)
  • Simple implementation of fire and system protection
  • Decentralized direct shutdown of system components
  • Suitable for the UMG 96 RM-E
  • Inner diameter: Ø 35 and 70 mm
  • Dimensions: 106 x 113 and 141 x 143 (W x H)
  • Max. primary residual current in mA: 0.3 A
  • Max. wire diameter in mm: 4 x approx. 14 (rm-35 mm²) or 8 x 10 (rm-10 mm²) and 4 x approx. 28 (rm-240 mm²) or 8 x 23 (rm-150 mm²)
  • Busbar in mm: max. 30 x 10 and max. 60 x 20
  • Current sensor according to EN 62020, DIN IEC 381 Part 1: 1989-11

Black icon of a Germany map on a transparent background

Sales, Germany

Black icon of a globe on a transparent background

International sales

Black icon for solution partner with a handshake symbol on a transparent background

Sales Partners, Germany

Black icon for support with a headset symbol on a transparent background

Support for existing equipment

Get in touch

Get personal advice now

Your request is important to us and we guarantee fast and professional processing.

Janitza UMG 801 Left 1
Power analyzer

Expandable modular power analyzer

Janitza UMG 96RM Left
Power analyzer

Multi-functional power analyzer with Ethernet and RCM