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Insulation monitor
SL 5881
- Article number: 0054627
- Type: SL5881.12 DC12-280V UH AC220-240V
Monitoring of insulation resistance of ungrounded DC-voltage systems to earth. For... more
Product description
- Monitoring of insulation resistance of ungrounded DC-voltage systems to earth.
- For industrial and railway applications
Technical specifications
| Width: | 35 mm |
| Response value: | 5 - 500 kΩ |
| IMD type: | DC |
| Nominal voltage IT system: | DC 12 - 280, DC 24 - 500 V |
| Auxiliary voltage: | Without, AC, DC |
| Enclosure design: | Switch cabinet |
| Earth fault indicator: | Yes |
| Response value type: | Adjustable |
| Type: | SL 5881 |
Features
- With reference to IEC/EN 61557-8 (see also section "Notes")
- For DC voltage systems up to 12 ... 280 V
- Wide voltage range of measuring input UN DC 12 ... 280 V
(on request DC 24 ... 500 V with separate auxiliary supply, Measuring range 20 ... 500 kΩ) - Adjustable tripping value RAL of 5 ... 200 kΩ or 10 ... 500 kΩ
- Selective ground fault indication for L+ and L- allows fast fault finding
- Without auxiliary supply
- De-energized on trip
- 2 changeover contacts
- Automatic or manual reset, programmable
- With test and reset buttons
- Connection for external test and reset button possible
- Galvanic separated AC or DC auxiliary supply available as option
- Adjustable time delay as option
- 2 models available:
IL 5881: 61 mm deep with terminals near to the bottom to be mounted in consumer units or industrial distribution systems according to DIN 43 880
SL 5881: 98 mm deep with terminals near to the top to be mounted in cabinets with mounting plate and cable ducts - DIN rail or screw mounting
- 35 mm width