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Over- and undervoltage relay
IL 9077/800
- Article number: 0050694
- Type: IL9077.12/800 3/N AC400/230V 1-60S
The Over- and Undervoltage relays IL 9077/800 and SL 9077/800 of the VARIMETER PRO series... more
Product description
The Over- and Undervoltage relays IL 9077/800 and SL 9077/800 of the VARIMETER PRO series monitor overvoltage, undervoltage and Phase failure in three-phase or single-phase networks. The measurement is simple and without extensive wiring, as no separate auxiliary supply is necessary. The early detection of up-coming break downs and preventive maintenance avoid expensive damages. As user you profit from the reliability and availability of your plant.
Technical specifications
| Width: | 35 mm |
| 1- / 3-phase: | 1, 3 |
| Standard measuring range: | 3/N AC 400/230 V |
| Measuring range max.: | 400 V |
| Auxiliary voltage: | Without |
| Output contacts: | 2 C/O contacts |
| Operate delay: | Yes |
| Enclosure design: | Distribution board |
| Type: | IL 9077/800 |
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Advantages
- Preventive maintenance
- For better productivity
Features
- According to IEC/EN 60255-1
- Identification of overvoltage, undervoltage and phase failure
- 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 on reset variable between 1 ... 60 s
- De-energized on trip
- No auxiliary voltage
- Independant of phase sequence
- Single-phase connection possible
- Fast reaction on overvoltage
- High overload possible
- 2 changeover contacts
- Devices available in 2 enclosure versions:
IL 9077: Depth 59 mm, with terminals at the bottom for installation systems and industrial Distribution systems according to DIN 43880
SL 9077: Depth 98 mm, with terminals at the top for Cabinets with mounting plate and cable duct - Width 35 mm