UniSwitch-CBW121250A is a 12kV1250A vacuum circuit breaker launched by ABB. The product adopts vacuum circuit breaker technology, which has the characteristics of fast interruption of fault current and ensuring the safe and reliable operation of the system.
The manual covers the ABB UniSwitch-CBW series, a 12 kV, 1250 A high‑voltage switchgear. It includes technical ratings, environmental limits, and compliance with various GB standards.
Contact information for ABB service centers and detailed part numbers are listed, along with safety and installation guidelines for the equipment.
| Voltage rating | 12 kV |
|---|---|
| Current rating | 1250 A |
| Operating temperature (max) | +40 °C |
| Operating temperature (min) | -25 °C |
| Short‑circuit rating | 630 kA / 1250 kA |
The UniSwitch‑CBW is rated for 12 kV.
The device can carry up to 1250 A.
The equipment operates from –25 °C up to +40 °C.