3P 40A B-Curve 4.5kA XS3 Miniature Circuit Breaker

Legrand - 3P 40A B-Curve 4.5kA XS3 Miniature Circuit Breaker - miniature circuit breaker for DIN-rail low-voltage distribution boards. Reference 403221 is intended for circuit control, isolation and protection in electrical panels. Key identifiable specifications include 3P, 40A, 4.5kA, B-Curve. It is suitable for residential, commercial and industrial installations where installers need a clearly identified Legrand protection component matched to the circuit rating and breaking-capacity requirement.