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Current Asymmetry Relay
SP 9278
- Article number: 0062882
- Type: SP9278.12 AC/DC24V AC1-15A
Monitoring of current asymmetry in 3-phase systems e.g. monitoring of heating elements, heating... more
Product description
Monitoring of current asymmetry in 3-phase systems e.g. monitoring of heating elements, heating and load circuits.
Technical specifications
| Width: | 70 mm |
| 1- / 3-phase: | 3 |
| Measuring range: | AC 1 - 15 A |
| Auxiliary voltage: | AC/DC |
| Operate delay: | Yes |
| Output contacts: | 2 C/O contacts |
| Enclosure design: | Switch cabinet |
| Type: | SP 9278 |
Features
- According to IEC/EN 60255-1
- IP 9278, SP 9278: 3-phase
- Measuring range IP 9278, SP 9278: up to 15 A
SP 9278CT: up to 100 A - 2 changeover contacts
- Adjustable asymmetry
- Settable time delay
- Open circuit operation
- LED indicators
- With auxiliary voltage
- Auxiliary supply and measuring input galvanic separated
- As option with external remote reset
- Width 70 mm