517 - Disyuntor Legrand, 3 Polos, 40A, 690V, Serie DPX3, Electronic Trip U
517 - Legrand Circuit Breaker, 3 Pole, 40A, 690V, DPX3 Series, Electronic Trip Unit, 8kV Impulse Withstand. It includes an electronic trip unit with adjustable thermal and magnetic settings, suitable for isolation and short-circuit protection.