ABB-1SDA054126R1 T4S 320A 50kA 3P PR221 DS-I TMAX şalter The product ABB-1SDA054126R1 (T4S 320A 50kA 3P PR221 DS-I TMAX şalter) is a compact circuit breaker engineered for superior protection in electrical systems. Manufactured by ABB, it offers a short-circuit breaking capacity of 50kA and a rated current of 320A. With 3P poles and a robust frame type of N/A, this breaker is ideal for various industrial and residential applications. The product complies with nan standards and is available in BOX packaging. An excellent choice for reliable and efficient circuit protection.