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Insulation monitoring

Supplier for Bender Insulation monitoring


We are Bender Supplier for Insulation monitoring. Bender is well know brand from Germany. We supply Bender products in India for more than decade.




Bender Insulation monitoring

Insulation monitoring supplier

Insulation monitoring devices continuously monitor the insulation resistance of IT systems (unearthed systems) and issue an alarm if the value falls below a response value.

To obtain a measurement, the device has to be connected between the IT system and the protective earth conductor (PE). A measuring current is superimposed onto the system which is detected and evaluated by a measuring circuit. Insulation monitoring devices detect deteriorations of the insulation level at an early stage and in a reliable way.



Bender ISOMETER® iso685…

Predefined measurement profiles
Reliable measurement of insulation resistance, voltage, capacitance and frequency
Integrated web server
Modbus TCP/RTU
History memory

Bender ISOMETER® iso685-…-B

Predefined measurement profiles
Reliable measurement of insulation resistance, voltage, capacitance and frequency
Integrated web server
Modbus TCP/RTU
History memory

Bender ISOMETER® iso685-…-P

Predefined measurement profiles
Reliable measurement of insulation resistance, voltage, capacitance and frequency
Integrated web server
Modbus TCP/RTU
History memory

Bender ISOMETER® isoRW685W-D

Predefined measurement profiles
Reliable measurement of insulation resistance, voltage, capacitance and frequency
Integrated web server
Modbus TCP/RTU
History memory



Bender Residual current monitoring

Residual current monitoring supplier

Residual current monitors are used to monitor earthed systems (TN and TT systems) for fault currents or residual currents. The sum of all conductors except the protective earth conductor is measured by means of measuring current transformers.

In general, residual current monitors (abbreviation RCM) are used to send a message to the user even before reaching the shutdown threshold of the RCD. Residual current monitors detect deteriorations of the insulation level at an early stage and in a reliable way.



Bender LINETRAXX® RCMS460-D


As an alternative to the insulation test by means of periodic verification
Alternating, pulsating or AC/DC sensitive measurements can optionally be carried out by selecting the measuring current transformer for each channel
Preset function
Analysis of the harmonics, DC, THF
Adjustable frequency response for protection of persons, fire protection, plant protection

Bender LINETRAXX® RCMS460-L


As an alternative to the insulation test by means of periodic verification
Alternating, pulsating or AC/DC sensitive measurements can optionally be carried out by selecting the measuring current transformer for each channel
Preset function
Analysis of the harmonics, DC, THF
Adjustable frequency response for protection of persons, fire protection, plant protection

Bender LINETRAXX® RCMS490-D


As an alternative to the insulation test by means of periodic verification. For MRCD applications in combination with a circuit breaker
Alternating, pulsating or AC/DC sensitive measurements can optionally be carried out by selecting the measuring current transformer for each channel
Device version RCMS490 with one alarm contact per channel
Analysis of the harmonics, DC, THF

Bender LINETRAXX® RCMS490-L

As an alternative to the insulation test by means of periodic verification. For MRCD applications in combination with a circuit breaker
Alternating, pulsating or AC/DC sensitive measurements can optionally be carried out by selecting the measuring current transformer for each channel
Device version RCMS490 with one alarm contact per channel
Analysis of the harmonics, DC, THF



Bender Neutral Grounding Resistance (NGR) Monitoring

NGR monitoring supplier

The idea of a neutral grounding resistor is to limit the maximum fault current in order to avoid damages and hazards caused by ground faults. Since the system is technically grounded (e.g. High Resistance Grounding) protective relays will work properly.

Early detection of a change in the NGR value provides the ability to plan repair and indicates previously unknown hazards.

Neutral Grounding Resistor Monitors measure voltage, current, continuity of the NGR connection and phase-to-ground voltage. This information helps to plan maintenance and enhance system availability.





Bender Test engineering

Test engineering supplier

For more than 30 years, the "Bender tester" has been a well-known term for quality and longevity in the area of fully automated electrical safety testers. The product line UNIMET® stands for standard-compliant tests and measurements, easy operation, wide interface variety and high-quality service.

UNIMET® provides safety for medical electrical devices used for mobile service visits and for manufacturers of medical equipment.





Bender Current transformers

Current transformers supplier

Excellent measurement technology requires high-quality current transformers. The product portfolio comprises a wide range of current transformers for load currents (operating currents) and residual currents (RCM). Different designs cover a variety of installation situations and metrological requirements, and enable retrofitting.

AC/DC sensitive measuring current transformers use a special measurement method to detect both AC and DC currents of different frequencies.