Undervoltage Relay, 3-phase
IL 9171
Article number:
0049402
Type:
IL9171.12/200 3/N AC400/230V 0,7UN
Description
Monitoring of voltage systems on undervoltage. Automatic switching to emergency supply or of emergency light in the case of phase loss according to DIN VDE 0100-710 or DIN VDE 0108.
Technical specifications
| 1- / 3-phase: | 1, 3 |
|---|---|
| Auxiliary voltage: | Without |
| Enclosure design: | Distribution board |
| Nominal voltage max.: | 3/N AC 500 / 290 V |
| Operate delay: | Yes |
| Output contacts: | 2 C/O contacts |
| Type: | IL 9171 |
| Width: | 17,5 mm |
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Features
- According to IEC/EN 60255-1
- Monitoring of undervoltage in 3-phase system
- Also for single phase
- Without auxiliary supply
- Optionally for 3p3w systems
- LED indicator for state of output relay
- Independent of phase sequence
- 1 or 2 changeover contacts
- Optionally fixed or settable response value
- As option with phase sequence detection
- Optionally with or without N
- Optionally with off-delay t1
- Opionally with on delay t2
- Devices available in 2 enclosure versions:
I-model: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880
S-model: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - Width:
IK 9171, SK 9171: 17.5 mm
IL 9171, SL 9171: 35 mm