ABB 2CDS253001R0277 Miniature Circuit Breaker

ABB S203-K2 3P 2A miniature circuit breaker, catalog 2CDS253001R0277, provides three-phase overcurrent protection with a 2 A nominal rating and a Type K trip characteristic. It is part of ABB’s System Pro M Compact S200 family and is designed for DIN-rail mounting in distribution boards, switchgear, and control cabinets. The device offers up to 6 kA short-circuit breaking capacity at the rated voltage (typically 230/400 VAC), making it suitable for safeguarding small motors, pumps, fans, and other three-phase loads in industrial or commercial installations. With a 3-pole construction, all phases are interrupted simultaneously to maintain balance in the protected circuit, while the Type K curve provides a balanced response to overloads and moderate inrush currents common in these applications. This model, 2CDS253001R0277, is commonly specified where compact protection is required within ABB’s S200/S System Pro M lineup and aligns with standard protection schemes for three-phase branch circuits.