Product description
Monitoring of the resistance to earth in ungrounded single- and 3-phasevoltage systems.
Technical specifications
| Width: | 45 mm |
| Response value: | 10 - 80 kΩ |
| IMD type: | AC |
| Nominal voltage IT system: | AC 24 - 500 V |
| Auxiliary voltage: | Without |
| Response value type: | Adjustable |
| Enclosure design: | Switch cabinet |
| Type: | AI 897 |









