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Janitza electronics GmbH

Monitoring of residual currents, type A to B+ – RCM 202-AB

Description

The two-channel residual current monitoring device meets the requirements of the DIN EN 62020 standard. A recurring insulation test can be omitted or at least limited. Typical applications are low-voltage main distribution boards (LVMDB) and subdistribution panels (SDP) in grounded systems (e.g. TN-S systems). The RCM 202-AB is a technical alternative usable across all industries when power interruptions due to a residual current circuit breaker (RCD) or insulation resistance measurement cannot be tolerated. Complete integration into the GridVis® Power Grid Monitoring software is possible. The device can be integrated directly via the RS-485 interface.It can be used as an RCM at any point, e.g. in direct current systems, for frequency converters, or in applications with increased fire protection requirements. The RCM 202-AB allows type B/type B+ monitoring with common passive residual current transformers. Type B measurement is also possible with separable transformers, making it an ideal solution for existing systems.

Residual currenttransformer

  • Residual current measurement, up to 2 residual current transformers
  • Measurement range, AC/DC 10 mA ... 20 A

Patented measuring method

  • Type A, B, B+ measurement with passive residual current transformers

Standards-Compliant to IEC 62020

  • Detection, evaluation and monitoring of residual current types A, B and B+

RCM analysis

  • Evaluation of AC and DC
  • Harmonic spectrum up to 2 kHz, Type B
  • Mixed current up to 20 kHz, Type A, Type B+

Historical data

  • Memory for measured values and extreme values with time stamp

On-site operation

  • High resolution LCD display with intuitive operation

Peripherals

  • 2 analog outputs
  • 2 alarm outputs
  • Compatible with RCM inputs of the UMG 96-RM-E & UMG 96-PA with RCM module

Communication

  • RS485 interface (protocol: Modbus RTU)
  • Compatible with all communication-enabled Janitza Modbus master devices

Address

Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau
Germany

Telephone+49 6441 96420

Fax+49 6441 964230

Contact