ABB S201 K0,5A Circuit Breaker

ABB S201-K0.5A is a single-pole miniature circuit breaker from the S201 family, rated for 230/400 VAC with a nominal current of 0.5 A and a curve K operating characteristic. It provides a short-circuit breaking capacity of 6 kA, enabling rapid interruption of faults on typical branch circuits. This specific model is cataloged as 2CDS251001R0157, identifying the S201-K0.5 variant. Designed for overload and short‑circuit protection in low-voltage installations, it is commonly used on lighting or small-load branches in residential or light commercial panels where compact protection and predictable tripping are required. The S201-K0.5 designation denotes a one-pole device with a 0.5 A rating, part of ABB’s compact protective lineup for distribution boards. For region-specific ratings or alternate configurations, refer to ABB’s official literature and distributor pages for 2CDS251001R0157.