| Brand | DOLD |
|---|---|
| Housing width | 45 mm |
| Enclosure design | Switch cabinet |
| Order number | 0001033 |
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DOLD AI 897 – Insulation monitor
- Brand
- DOLD
- Part number
- AI 897
- Order number
- 0001033
Insulation monitor
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Price and lead time on request — add this part to your quote list and we will reply with pricing and availability.
Monitoring of the resistance to earth in ungrounded single- and 3-phasevoltage systems.
Features
- 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
Technical specifications
| 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 |
Available variants
| Alarm value | 10 – 80 kOhm |
|---|---|
| Contact equipping | 1 changeover contact |
| Nominal voltage | AC 24 V 45 – 400 Hz · AC 42 V 45 – 400 Hz · AC 110 V 45 – 400 Hz · AC 230 V 45 – 400 Hz · AC 240 V 45 – 400 Hz · AC 400 V 45 – 400 Hz · AC 500 V 45 – 400 Hz · AC 550 V 45 – 400 Hz |
| Variant | Settable response value |
Tell us the variant you need in your quote request.
