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Undervoltage Relay
IL 9071
- Article number: 0037525
- Type: IL9071.12 3/N AC415/240V 0,7UN4%
Monitoring of three-phase voltage systems to identify undervoltage, asymmetry or phase failure... more
Product description
Monitoring of three-phase voltage systems to identify undervoltage, asymmetry or phase failure and switching-on of safety lighting in accordance with DIN VDE 0108.
Technical specifications
| Width: | 35 mm |
| Operate delay: | Yes |
| 1- / 3-phase: | 1, 3 |
| Nominal voltage max.: | 3/N AC 500 / 290 V |
| Auxiliary voltage: | Without |
| Output contacts: | 2 C/O contacts |
| Enclosure design: | Distribution board |
| Type: | IL 9071 |
Features
- According to IEC/EN 60255-1
- Identification of
- Undervoltage
- Phase failure
- Asymmetry also with reverse voltage
- Missing neutral in the system
- Broken neutral on IL/SL 9071
- Neutral exchanged against phase - Single phase connection possible
- Fixed setting value (variable as an option)
- De-energized on trip
- LED indicator
- With safe disconnection according to IEC/EN 61140, IEC/EN 60947-1 between the Measuring Circuit and the contacts
- Independant of phase sequence
- 2 changeover contacts
- According to DIN VDE 0100-710 (for rooms used for medical purposes) as an option
- Devices available in 2 enclosure version:
IL 9071: Depth 61 mm with terminals at the bottom for installations systems and industrial distribution systems according to DIN 43880
SL 9071: Depth 98 mm with terminals at the top for cabinets with mounting plate and cable duct - Width 35 mm