Product pictures Product Overview: ABB A300-30-11 Parameter Specification Manufacturer ABB Model A300-30-11 Product Name Large-frame AC motor contactor Series / Family ABB A-Series (successor family: AF-Series) Product Type 3-pole AC contactor with auxiliary contacts — not a circuit breaker, not a relay, not a soft starter Application & Fault Scenarios Suitable for 400 V three-phase motor circuits up to 300 A AC-3, including mills, crushers, large compressors, fans, pumps and