World leader in ground-fault protection
and electrical safety for over 75 years.

Bender Inc. and Bender Canada Inc. have locations in Exton, PA and Mississauga, ON. Bender is proud to be ISO 9001:2015 certified to guarantee the very best quality. With the Bender Group headquarters in Grunberg, Germany, Bender has been producing first-class products with excellent service for nearly every industry for over eight decades. In addition to a solid lineup of protective relays, isolation monitors, resistance grounding systems, and isolation power systems, Bender manufactures integrated solutions for hospitals, mining, manufacturing facilities, marinas, fountains, motion picture and television, automation, chemical industries, engineering, ships, submarines, electric vehicles, railway technology, wind and solar energy, and more. Since the very beginning, Bender has been committed to using innovative technologies to find solutions for your application to guarantee the very best in electrical safety.

Elektrische Sicherheit für ungeerdete Stromversorgungen
Ground-fault detectors for ungrounded systems

Bender's advanced ground-fault detection and insulation monitoring devices (IMD) along with fault-location solutions (EDS series) for AC and DC systems detect ground faults before leakage current may even be present. The iso685 ISOMETER series includes advanced network-communication capabilities.

Protection panels

Bender's UL 508A certified protection panels (GFGC, LifeGuard®, MarinaGuard®) are a complete solution for protecting personnel and equipment.

Isolated power systems for healthcare facilities

Hospital isolation panels for patient treatment in healthcare facilities for compliance with standards such as NFPA 99 and CSA Z32. Features a LIM2010 Line Isolation Monitor and dedicated power isolation transformer, as well as options for ground-fault location.

Elektrische Sicherheit für geerdete Stromversorgungen
Ground-fault relays for solid and resistance-grounded systems

Bender's RCM, RCMA, and RCMS series relays monitor leakage current in AC (single and three phase) and DC power and control circuits. Available in single-channel and multi-channel options. LifeGuard® and MarinaGuard® integrated panels are ground-fault interrupters (GFI) for a wide variety of applications.

HRG and LRG systems

Neutral grounding resistors (NGR) monitoring with a state-of-the-art NGRM700 or NGRM750 integrated in a wide range of solutions (HRG series).

Protective relays

Monitor a multitude of key system values, including voltage, current, phase sequence, ground continuity, and more. Check out our protective relays here.


Sales Record at Bender Group

In 2022, the Bender Group achieved a turnover of over € 250 million (~270 million USD) for the first time in the company's history.

Bender Inc. Announces Latest Advancement in Power System Grounding Technology

Bender is proud to announce the latest technology that expands its existing line of Neutral Grounding Resistor Monitors – the NGRM550 and 750.

Bender’s Torsten Gruhn Featured in Patch News Article

Patch News, a resource and website for local news stories, featured Torsten Gruhn, Bender’s head of EV, in a recent article. Torsten recently…

Webinars & Exhibitions

This webinar will focus not only on protection for isolated power systems (IPS) in hospitals, but also explore Bender's solutions for solidly grounded and resistance grounded protection.

Bender May Webinar Thumbnail IMIs in EVs

Our May webinar will explore insulation monitoring interrupters (IMIs) for level 3 DC fast chargers, as well as showcasing Bender's solutions.

Contact your local representative

With 17 subsidiaries and over 70 agencies, the Bender Group is at home all over the globe.

Contact your local representative