| Brand | DOLD |
|---|---|
| Housing width | 35 mm |
| Output contacts | 2 C/O contacts |
| Enclosure design | Switch cabinet |
| Phases | 1, 3 |
| Order number | 0051677 |
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DOLD SL 9171 – Undervoltage Relay
- Brand
- DOLD
- Part number
- SL 9171
- Order number
- 0051677
Undervoltage Relay
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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.
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 880S-model: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct
- Width:IK 9171, SK 9171: 17.5 mmIL 9171, SL 9171: 35 mm
Technical specifications
| 1- / 3-phase | 1, 3 |
|---|---|
| Auxiliary voltage | Without |
| Enclosure design | Switch cabinet |
| Nominal voltage max. | 3/N AC 500 / 290 V |
| Operate delay | Yes |
| Output contacts | 2 C/O contacts |
| Width | 35 mm |
| Type | SL 9171 |
Available variants
| Contact equipping | 2 changeover contacts |
|---|---|
| Nominal voltage | 3/N AC 110 / 63 V · 3/N AC 220 / 127 V · 3/N AC 400 / 230 V · 3/N AC 480 / 277 V · 3AC 110 V · 3AC 400 V · 3AC 500 V |
| Response value | 0,7 Un · 0,55 – 1,05 Un · 0,85 Un |
| Time delay | 0,5 – 20 s · without |
| Variant | With N. NC circuit operation. Settable time delay t1. Fixed response value · With N. NC circuit operation. Settable time delay t1. Settable response value · With N. NC circuit operation. Settable time delay t2. Fixed response value · With N. NC circuit operation. Settable time delay t2. Settable response value · With N. NC circuit operation. Without time delay. Fixed response value · With N. NC circuit operation. Without time delay. Settable response value · Without N. NC circuit operation. Settable time delay t1. Fixed response value · Without N. NC circuit operation. Settable time delay t1. Settable response value · Without N. NC circuit operation. Settable time delay t2. Fixed response value · Without N. NC circuit operation. Settable time delay t2. Settable response value · Without N. NC circuit operation. Without time delay. Fixed response value · Without N. NC circuit operation. Without time delay. Settable response value |
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