Residual current monitoring devices (RCM) reliably record fault and residual currents and report them without switching off the system. They are used where switching off the system is not possible or desired. Residual current monitors of the DCTR series are compact and easy to install. The evaluation device is already integrated. The device continuously records the level of the current leakage and fault currents and, depending on the variant, outputs them proportionally as a 4-20 mA signal or via Ethernet. If the response threshold is exceeded, a potential-free changeover contact switches. A multi-colored LED signals the status. Residual current monitors with residual current characteristic B record pulsating and smooth DC residual currents as well as AC residual currents up to 100 kHz. Devices of this variant work with a fixed response residual current value of 0.3 A for the alarm relay. The DCTR outputs the measured residual current value proportionally as a 4-20 mA signal. Properties: suitable for detecting type B residual currents, monitored frequency range 0 Hz 100 kHz, rated voltage of the monitored circuit up to 690 V, compact, robust plastic housing, easy installation, output of the residual current value via 4-20 mA interface, alarm relay with potential-free changeover contacts, operating voltage 24 V DC, mounting type: The device is attached to load-bearing surfaces or a mounting plate using the existing screw points, areas of application: the monitoring device is suitable for use in power supplies of functional buildings and industrial plants with TN-S, TN-CS networks, IT networks and direct current networks, e.g. in server rooms in data centers, in laboratories, in the automotive industry and in connection with PV and UPS systems with transformerless inverters, air conditioning systems, frequency converters, switching power supplies, high-frequency converters, printing machines and packaging machines, suitable for monitoring DC circuits and systems. in which electronic equipment can cause smooth DC fault currents or fault currents with frequencies other than 50 Hz.
Type: DCTR B+ 070/0,3-I
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