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For more than 60 years BENDER's objective has been to provide solutions for safe and secure power supplies, especially where high levels of safety are important. Using the latest technology, BENDER offers measuring, monitoring and protective systems to monitor the electrical safety of machines and systems in order to provide an early warning before critical operating conditions result in damage to property and interruptions to operations involving considerable costs or before the life and health of people is endangered. Complete testing systems to test the electrical safety of devices and systems, including data management software, supplement the product range.

The products cover a wide range of applications extending from building services engineering, hospitals through all types of industrial applications and power supply and distribution to traffic engineering.


  • Electrical safety for unerthed power supplies
    A-ISOMETER®, Insulation Monitoring devices
    Insulation fault location devices
    Earth fault relays
  • Power supplies for medically used rooms
    MEDICS® Switchover and monitoring modules
    Indicator and operator panels
    IT system transformers
  • Electrical safety for earthed power supplies
    Residual current monitors RCM, RCMA
    Residual current monitoring systems RCMS
  • Measuring relays and monitoring relays
    Voltage relays, Current relays, Asymmetry relays Phase sequence relays, Frequency relays
    Monitoring relays for special functions
  • Testing system for electrical safety
    Safety tester for medical electrical equipment
    Safety tester for general electrical equipment
  • Load Current Monitor


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