The ABB SACE Formula A A2B250 is a 3-pole moulded case circuit breaker (MCCB) rated 250A, part of ABB’s compact economy MCCB range for industrial and commercial distribution. It provides combined overload and short-circuit protection with a thermomagnetic trip unit, rated operational voltage up to 690 V AC and rated impulse withstand voltage 8 kV, built to IEC 60947-2 / GB/T 14048.2, Class B breaking capacity.
Type designation: A2B250. Typical applications include main incomers, sub-distribution boards, and motor or feeder protection panels where a compact, reliable MCCB is required.
