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Insulation monitor
AN 5892/800
- Article number: 0061228
- Variant: AN5892.11/800 UH AC230V 50K
The insulation monitor AN5892/800 of the series VARIMETER IMD monitors the ground resistance of... more
Product description
The insulation monitor AN5892/800 of the series VARIMETER IMD monitors the ground resistance of isolated DC-voltage systems (IT-systems) with directly connected inverters with nominal voltage up to DC 100 ... 1000 V. The unit detects symmetrical as well as unsymmetrical faults. The separate auxiliary supply allows also monitoring when the system is without voltage. To indicate the actual ground resistance value the unit has an LED chain and an analogue output. When a fault is detected the relay switches and the red LED lights up. The device can be used for system with leakage capacities up to 20 μF.
Technical specifications
| Width: | 100 mm |
| Response value: | 50 kΩ |
| IMD type: | DC |
| Nominal voltage IT system: | DC 100 - 1000 V |
| Auxiliary voltage: | AC |
| Enclosure design: | Switch cabinet |
| Connection for indicator: | Yes |
| Response value type: | Fixed |
| Type: | AN 5892/800 |
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Advantages
- Preventive fire and system protection
- Insulation monitoring of DC-systems with directly connected inverters
up to 1000 V - No additional coupling device required
- Suitable for leakage capacitances up to 20 μF
- Monitoring also with voltage-free mains
Features
- Insulation monitoring according to IEC/EN 61 557-8
- Fixed response value RAN
- Internal reset button
- External reset and test button can be connected
- LED indicator
- 1 changeover contact
- Programmable for manual reset or hysteresis function
- Analogue output for insulating value
- External connection of indicating instrument possible
- De-energized on trip
- Width 100 mm
