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Residual Current monitor, Type B
RN 5884
- Article number: 0068738
- Type: RN5884.12 AC/DC80-240V 0-10S
The AC/DC sensitive residual current monitor RN 5884 from the VARIMETER RCM series allows an... more
Product description
The AC/DC sensitive residual current monitor RN 5884 from the VARIMETER RCM series allows an early detection of insulation faults and detects differential currents with AC as well as DC components in grounded voltage systems (type B). The measurement takes place via an external current transformer.
The residual current monitors can be easily parameterised and set via the operating buttons. If the measured differential current exceeds the set response values, this is signalled via the output relays K1 or K2. In order to detect faults in the system at an early stage, the residual current is shown visually on a display.
All versions have 2 output relays. Units for a connectable current transformer give an alarm at output relay K1 and a pre-alarm at output relay K2. Units for 2 current transformers output an alarm message separately for each measuring channel (CT1) at relay K1 or (CT2) at relay K2.
Other features include wire break detection, test function and adjustable switching delays. Thus, the residual current monitor RN 5884 provides an information head start for targeted and cost-effective maintenance measure before the system comes to a standstill.
Technical specifications
| Width: | 52,5 mm |
| Adjustable measuring ranges: | 0,03 - 5 A |
| Operate delay: | Yes |
| Classification: | Type B (AC, DC even and pulsating) |
| Type of voltage: | AC, DC |
| Broken conductor detection: | Yes |
| Clear key: | Yes |
| Test key: | Yes |
| Relay contact / output: | Yes |
| Enclosure design: | Distribution board |
| Type: | RN 5884 |
Advantages
- Preventive fire and system protection
- Increasing the availability of plants by early fault detection
- Universal usage at AC/DC mains
- Protection against manipulation by sealable transparent cover over setting switches
Features
- According to IEC/EN 62020-1, VDE 0663
- For AC and DC systems Type B
- To detect earth faults in grounded voltage systems
- Setting range from 30 mA ... 5 A
- Manual / auto reset, with alarm and pre-warning
- With adjustable switching delay
- Energized or de-energized on trip
- Set parameters directly on the device
- Display
- LED indicator for RUN- / SET- Mode; BUS, Error
- With test function
- As option with analogue output
- As option with Modbus RTU-interface
- Broken wire detection
- Width 52.5 mm
