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Art-Nr.: 1401627
RCM 202-AB
Product information
Residual current monitoring device RCM 202-AB The RCM 202-AB is used with connected current transformers for measuring and monitoring residual currents of type A, B and B+ in TN and TT systems (earthed AC systems).Supply voltage:85 ... 305 V AC (50/60Hz)- Residual current measurement via up to two connected current transformers- Transformer connection monitoring for wire break or short circuit per channel- Detection, evaluation and monitoring of residual currents type A and B according to IEC 62020- Detection of sinusoidal alternating fault currents with frequencies up to 20 kHz (type B+)- Measured value and extreme value memory with timestampMeasurement channels- Two current transformer connections (compatible with all Janitza residual current transformers)- Measuring range AC/DC: 10mA ... 20AMeasured value display and operation- Two-color LED display (128 x 64 pixels)- 3-button operation- German, English and Spanish user guidance selectableCommunication- RS485 interface (protocol: Modbus RTU)- Compatible with all communication-capable Janitza Modbus master devices