Insulation monitor
AI 897
Monitoring of the resistance to earth in ungrounded single- and 3-phasevoltage systems.
| Auxiliary voltage: | Without |
|---|---|
| Enclosure design: | Switch cabinet |
| IMD type: | AC |
| Nominal voltage IT system: | AC 24 - 500 V |
| Response value: | 10 - 80 kΩ |
| Response value type: | Adjustable |
| Width: | 45 mm |
| Type: | AI 897 |
- According to IEC/EN 61557-8
- For single- and 3-phase AC-voltage systems
- Adjustable response value RAN from 10 ... 80 kΩ
- Without auxiliary supply
- Closed circuit operation
- Programmable for:
- Manual reset (bridge LT1-LT2)
- Automatic reset (without bridge) - External reset button on LT1-LT2
- Test button to check the function of the device
- External test button can be connected to PT1-PT2
- 1 changeover contact
- Width 45 mm