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Asymmetry Relay
MK 9040N
- Article number: 0055711
- Type: MK9040N.12 3AC400V 50/60HZ
Monitoring three-phase mains for voltage asymmetry, phase failure or incorrect phase sequence,... more
Product description
Monitoring three-phase mains for voltage asymmetry, phase failure or incorrect phase sequence, e.g. in elevators, escalators, crane systems etc.
Technical specifications
| Measuring range max.: | 3 AC 690 V |
| Standard measuring range: | 3 AC 400 V |
| 1- / 3-phase: | 3 |
| Operate delay: | Yes |
| Output contacts: | 2 C/O contacts |
| Width: | 22,5 mm |
| Enclosure design: | Switch cabinet |
| Type: | MK 9040N |
Features
- According to IEC/EN 60255-1
- Recognition of
- Voltage asymmetry
- Phase failure
- Voltage feedback
- Optionally with phase sequence recognition - Optionally with adjustable response delay
- 2 LED displays for power supply and state of contact
- Wire connection: Also 2 x 1.5 mm2 stranded ferruled, or 2 x 2.5 mm2 solid DIN 46228-1/-2/-3/-4
- As option with pluggable terminal blocks for easy exchange of devices
- With screw terminals
- Or with cage clamp terminals - Width: 22.5 mm