Description
For standard compliant type A measurement on DIN rails the Janitza RCM 201-ROGO can be used in conjunction with the Janitza RCM 202-AB
Measuring channels
- Two current transformer connections (compatible with all Janitza residual current transformers)
- AC/DC measurement range: 10 mA … 20 A
Measuring display and operation
- Two-colour LED display (128 x 64 pixels)
- 3-button control
- Self test and check indicator
- German, English and Spanish user guidance can be selected
RCM analysis variables
- Individual limit values can be set for type A, type B, and type B+
- Individual frequencies for 1-2000 Hz
- Spectrum display for 2-20 kHz
Peripherals
- 2 digital alarm outputs, 2 freely scalable analogue outputs
Communication
- RS485 interface (protocol: Modbus RTU)
- Compatible with all communications-capable Janitza Modbus master devices
High measurement accuracy
- From 2% to final value
- Measurement of residual currents in the measurement ranges 5 / 10 / 25 / 125 A
Standards – compliant to IEC 62020
- Recording, evaluation and monitoring of type A residual currents
Retrofittable
- Rogowski RCM current transformers for large cable cross sections and busbars up to 4000 A
Alarm function
- Configurable limit values and alarm output via digital output and Modbus