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Asymmetry Relay
BA 9042
- Article number: 0026354
- Variant: BA9042 3AC50HZ 500V
The device responds to unsymmetric voltage changes, which can occur because of unbalanced load... more
Product description
The device responds to unsymmetric voltage changes, which can occur because of unbalanced load or phase failure (blown fuse). An asymmetry relay detects only the voltage difference between 2 phases and does not react on symmetric undervoltage.
Technical specifications
| Measuring range max.: | 3 AC 500 V |
| Standard measuring range: | 3 AC 400 V |
| 1- / 3-phase: | 3 |
| Output contacts: | 2 C/O contacts |
| Width: | 45 mm |
| Enclosure design: | Switch cabinet |
| Type: | BA 9042 |
Features
- According to IEC/EN 60255-1
- For nominal voltage from 3 AC 100 V to 500 V
- Detection of
- Voltage asymmetry
- Wrong phase sequence
- Phase failure - Detection of feedback voltage
- Closed circuit operation
- LED indicators for operation and state of contacts
- Optionally with adjustable time delay
- Width 45 mm