产品详情
Product debion
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
| Width: | 17,5 mm |
| Operate delay: | Yes |
| 1- / 3-phase: | 1, 3 |
| Nominal voltage max.: | 3/N AC 500/290 V |
| Auxiliary voltage: | Without |
| Output contacts: | 1 C/O contact |
| Enclosure design: | Distribution board |
| Type: | IK 9171 |
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
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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
