Short Description:

QA Series MCB is CBI‑standard hydraulic‑magnetic miniature circuit breaker, widely applied in South‑Africa low‑voltage distribution projects. Different from traditional thermal‑magnetic MCB, it uses hydraulic‑magnetic tripping unit, keeps 100% rated performance without being affected by high or low ambient temperature, avoids nuisance tripping caused by temperature change. Available in 1P, 2P, 3P poles, current range 6‑100A, 3kA breaking capacity at AC240V. DIN‑rail mounting, compact structure, mid‑trip position indicator for fault status check. Perfect for household buildings, commercial cabinets, branch circuit power distribution for overload and short‑circuit protection. We support OEM service, custom logo, custom packing, competitive factory price for bulk orders.