Quality made by Bender worldwide with special reference to electrical safety is a promise to our customers and to all those we would like to make our customers. We have been doing our best every day for over 65 years with this goal in mind.
We are committed to using innovative technologies to find solutions for your particular sector and application in order to guarantee the ultimate in electrical safety for people and machines.
We are always there for you, providing comprehensive and informed advice and supporting you from planning to implementation and beyond. In urgent cases our Service Dept. is available around the clock, enabling you to to contact us whenever you need us.
Bender GmbH & Co. KG is a globally active company, employing about 700 people . Bender is represented in over 70 countries around the world, with its own companies in 12 countries. Production is at two sites in Germany. The medium-sized company with headquarters and innovation center in Gruenberg, Hesse, is 100 percent in family ownership and is currently actively run by the third generation.
For every application Bender monitoring systems are your reliable partners when control and maintenance of electrical lines or power quality monitoring are concerned.
Electrical safety for unearthed power supplies (IT systems)
A-ISOMETER®, Insulation monitoring devices
Insulation fault location devices
Earth fault relays
the safety solutions for medical locations according IEC 60364-7-710.
IPS Isolated Power System
Remote Alarm Indicator and operator panels
IT system transformers
Measuring relays and monitoring relays
Voltage relays, Current relays, Asymmetry relays, Phase sequence relays, Frequency relays
Monitoring relays for special functions
Electrical safety for earthed power supplies (TN and TT systems)
Residual current monitors RCM, RCMA
Residual current monitoring systems RCMS
Power Quality and Energy Measurement
PEM 330 & PEM 333
PEM 533, 555 & 575
PEM 735 & PEM 755
Insulation Monitoring device ISO685 with insultaion Fault Locator EDS440
The ISOMETER® iso685 is an insulation monitoring device for IT systems in accordance with IEC 61557-8. It is universally applicable in AC, 3(N)AC, AC/DC and DC systems.
The locating current injector necessary for fault location is integrated into the new iso685-D-P, which can be specifically used for systems where insulation fault location is required. At the same time, the new EDS440 is especially adapted to the additional functionality of the iso685-D-P.
Power Quality and Energy Measurement PEM735
The digital universal measuring device PEM735 is suited for measuring and displaying electrical quantities of electricity networks. The device measures currents and voltages, energy consumption and power, and displays the individual current/voltage harmonics for assessment of the power quality in accordance with DIN EN 50160. The accuracy of active energy measurements corresponds to class 0.2 S in accordance with DIN EN 62053-22.
Residual current monitoring system RCMS
The RCMS system is able to detect and evaluate fault, residual and operating currents in earthed power supplies via the related measuring current transformers.
Any combination of the various measuring current transformer series can be connected to the monitor measuring channels. Each RCMS has 12 measuring channels. Up to 90 residual current monitors can be connected via a BMS bus (RS-485 interface with BMS protocol), thereby up to 1080 measuring channels (sub-circuits) can be monitored.
In October 2016, a new edition of the DIN VDE 0100-712 (VDE 0100-712):2016-10 "Photovoltaic (PV) systems" has been published. The related european Document is HD 60364-7-712:2016. It replaces the previous edition of 2006. The core aspect of the standard is the requirement of an insulation monit...| » Further reading
The new six-channel residual current monitoring system RCMS150 was developed for final circuit applications that provide little space and nevertheless require AC/DC sensitive (type B) monitoring. Of particular note is its compact design, since the evaluator and six measuring current transforme...| » Further reading
As a manufacturer of insulation monitoring devices for unearthed DC drive systems in electric vehicles, Bender is now expanding its e-mobility business to include compact, intelligent and cost- effective charge controllers. As the number of electric vehicles on the roads continues to grow, so t...| » Further reading
Bender GmbH & Co.KG
Londorfer Str. 65
Phone: +49 6401 807-0
Fax: +49 6401 807-259
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