Earth Fault Monitoring Devices

All Alternating Current (AC) Direct Current (DC) Measuring Current Transformers Pulsed DC

RCM410R-1/-2

The AC and pulsed DC sensitive residual current monitor RCM410R is used for residual current monitoring in earthed systems (TN/TT), in which an alarm should be issued in the event of a fault, but no shutdown may take place.

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CTUB100 Series

The CTUB100 series measuring current transformers are combinations of CTBC… measuring current transformer cores and CTUB10… electronic modules, which convert AC and DC currents into an evaluable measurement signal.

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CTAC Series

The highly sensitive CTAC series measuring current transformers in combination with RCM or RCMS series residual current monitors and evaluators convert AC currents into an evaluable measurement signal.

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RCMA423AS

The AC/DC sensitive residual current monitor RCMA423AS is designed for monitoring earthed power supply systems (TN and TT systems) where smooth DC fault currents or residual currents continuously greater than zero may occur.

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RCMB132-01

The RCMB132-01 is designed for installation in PDUs and outlet boxes. The module can communicate with a master via an RS-485 interface via Modbus RTU.

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RCMB131-02

The RCMB131-02 is designed for installation in PDUs and outlet boxes. The module outputs the rms value of the residual current via a PWM output, which is read out and evaluated by a higher-level circuit.

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RCMB131-01

The RCMB131-01 is designed for installation in PDUs and outlet boxes. The module can communicate with a master via an RS-485 interface via Modbus RTU.

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RCMB121

To satisfy new standards including IEC 62752 and IEC 60364-7-722, the charging of electrical vehicles requires residual current sensors to avoid hazardous situations in cases where the vehicle battery (DC) is connected to the home power supply (AC).

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RCMB104

The AC/DC sensitive residual current monitoring module RCMB104 is used in combination with a measuring current transformer W15BS… and a type A RCD for fault current monitoring of AC charging systems for electric vehicles in which AC ofr DC ault currents can occur.

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RCMS150

The 6-channel residual current monitor RCMS150 is intended for measurement of AC and DC fault currents in earthed systems.

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RCMB300 series

The residual current monitoring modules of the RCMB300 series are intended for measuring AC and DC fault currents in earthed systems (TN and TT systems).

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RCMB42

The AC/DC sensitive residual current monitoring module RCMB42… is used for residual current monitoring of AC charging stations for electric vehicles where direct or alternating fault currents are likely to occur.

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RCMB35-500-01

The AC/DC sensitive residual current monitoring modules RCMB20-500-01 and RCMB35-500-01 are used for fault current monitoring in systems with frequency converters where direct and/or alternating fault currents are likely to occur.

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RCMB35-30

The AC/DC sensitive residual current monitoring module RCMB35-30-… is used for residual current monitoring in earthed systems (TN and TT systems).

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RCMB20-500-01

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MRCDB300 series

The AC/DC sensitive MRCDB300 device series is used as additional protection (protection against indirect contact) in earthed systems (TN and TT systems) in which AC or DC fault currents may occur.

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WF

Flexible WF… series measuring current transformers are highly sensitive measuring current transformers, which measure AC currents in conjunction with a RCMS460/490 series residual current monitoring system and convert them into an evaluable measuring signal.

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WS-S

The highly sensitive split-core-type WS… series measuring current transformers convert residual currents of 10 mA…100 A into evaluable RCM or EDS signals and can be retrofitted to existing electrical installations where disconnection must be prevented.

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WS

WS… und WS…-8000 series measuring current transformers are highly sensitive measuring current transformers of split-core type which in combination with RCM series residual current monitors and RCMS residual current monitoring systems convert AC currents into evaluable measurement signals.

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WR-S(P)

The highly sensitive WR…S series measuring current transformers of rectangular type convert AC currents into evaluable measurement signals, in combination with RCM and RCMS series residual current monitors and evaluators.

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W-AB(P)

Measuring current transformers of the W…-AB series are measuring current transformers which in combination with devices of the RCMA420 resp. RCMS460/423 490 series convert AC and DC currents into evaluable measurement signals.

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W

W… and W…-8000 series measuring current transformers of the are highly sensitive measuring current transformers which measure AC currents and convert them into evaluable measurement signals, in combination with RCM series residual current monitors resp. RCMS series residual current monitoring systems.

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