Air Circuit Breaker (ACB)
Draw-out ACBs from 630 A to 6300 A with microprocessor LSIG releases.
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Request DatasheetOverview
Air circuit breakers for LT incomers, bus couplers and large outgoing feeders, supplied with microprocessor releases offering long-time, short-time, instantaneous and earth-fault protection with settable curves. Communication modules make the breaker a metering point in its own right, reporting current, energy and trip history to the plant SCADA.
Technical specifications
| Rated current | 630 A – 6300 A |
|---|---|
| Rated voltage | 415 V / 690 V AC |
| Breaking capacity | 50 kA – 100 kA |
| Poles | 3 pole / 4 pole |
| Release | Microprocessor LSIG with LCD |
| Standard | IS/IEC 60947-2 |
Specifications are indicative. Final ratings are confirmed against your site conditions and the approved make.
Applications
- LT panel incomers and bus couplers
- Generator and transformer breakers
- Large feeder and busbar protection
- Changeover and synchronising schemes
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