Insulation monitor
MH 5880
Article number:
0062586
Type:
MH5880.38/500 AC50-400HZ 220-230V
Description
The insulation monitors MK 5880N and MH 5880 of the VARIMETER IMD family provides best insulation monitoring of pure three-phase and AC IT systems in a state of the art way fulfilling the relevant standards. The adjustment of the setting values is simple and user friendly done on 2 rotary switches on the front of the device. The MH 5880 also has a galvanic separated analogue output and a 11 step LED chain for display the actual insulation value.
Technical specifications
| Auxiliary voltage: | AC, DC |
|---|---|
| Earth fault indicator: | Yes |
| Enclosure design: | Switch cabinet |
| IMD type: | AC |
| Nominal voltage IT system: | AC 0 - 500 V |
| Response value: | 5 - 100 kΩ |
| Response value type: | Adjustable |
| Type: | MH 5880 |
| Width: | 45 mm |
Features
- According to IEC/EN 61557-8
- For single and 3-phase AC-systems up to 0 ... 500 V and 10 ... 1000 Hz
- Monitors also disconnected voltage systems
- Adjustable tripping value RAL of 5 ... 100 kΩ
- De-energized on trip
- Auxiliary voltage, measuring circuit and output contacts are galvanically separated
- Manual and auto reset
- With test and reset button
- Connections for external test and reset buttons possible
- LED indicators for operation and alarm
- 2 changeover contacts
- MK 5880N/200 with additional prewarning
- Adjustable prewarning value 10 kΩ ... 5 MΩ
- 1 output relay for alarm and 1 for pre-warning - MH 5880/500: similar to MK 5880N but with galvanic separated analogue output and 11 step LED chain for the actual insulation value
- Wire connection: also 2 x 1.5 mm2 stranded ferruled, or 2 x 2.5 mm2 solid DIN 46 228-1/-2/-3/-4
- As option with pluggable terminal blocks for easy exchange of devices
- With screw terminals
- Or with cage clamp terminals - MK 5880N: 22.5 mm width
MH 5880: 45 mm width