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Over- and undervoltage relay
IL 9077
- Article number: 0045788
- Type: IL9077.12 3/N AC400/230V 0,1-20S
Monitoring of three-phase voltage systems to identify overvoltage and undervoltage, e.g. to... more
Product description
Monitoring of three-phase voltage systems to identify overvoltage and undervoltage, e.g. to monitor in-house generation equipment in accordance with VDE 0100.
Technical specifications
| Width: | 35 mm |
| 1- / 3-phase: | 1, 3 |
| Standard measuring range: | 3/N AC 400/230 V |
| Measuring range max.: | 500 V |
| Auxiliary voltage: | Without |
| Output contacts: | 2 C/O contacts |
| Operate delay: | Yes |
| Enclosure design: | Distribution board |
| Type: | IL 9077 |
Downloads
Features
- According to IEC/EN 60255-1
- Identification of overvoltage, undervoltage and phase failure
- With asymmetry identification as an option
- Mains fault diagnostics with a number of LEDs
- Setting values for overvoltage and undervoltage can be set separately
- Large Setting Ranges 0.9 ... 1.3 UN and 0.7 ... 1.1 UN
- Time delay variable between 0.1 ... 20 s
- Closed circuit operation
- No auxiliary voltage
- Independant of phase sequence
- As option with phase sequence detection
- Single-phase connection possible
- Optionally for 3P3W Systems
- 2 changeover contacts, at IP/SP 9077 2 x 2 changeover contacts
- 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 cabinetswith mounting plate and cable duct - IL 9077, SL 9077: width 35 mm
IP 9077, SP 9077: width 70 mm