ABB-1SDA066569R1 A3N400, TMF, In=400A, 4p The product ABB-1SDA066569R1 (A3N400, TMF, In=400A, 4p) is a compact circuit breaker engineered for superior protection in electrical systems. Manufactured by ABB, it offers a short-circuit breaking capacity of N/A and a rated current of 400A. With 4P 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.