ABB Air Circuit Breakers (ACB)
Jiahong supplies ABB Emax and Emax 2 air circuit breakers (ACBs) for low-voltage main distribution, incomers, bus couplers, and feeder protection.
For main switchboards, selecting the right breaker involves more than rated current. Breaking capacity, trip-unit functions, installation format, and accessory requirements should all align with the electrical design.
- Emax and Emax 2 product ranges
- Trip-unit and protection-function selection
- Fixed or withdrawable configuration, subject to model availability







