3p automatic circuit breaker 400A 2500Im VA57-39-344710 660/380V AC HP=110V DC 3Z4R VKS Contactor L630-2122 Contactor (IEK group)

VA57-39 is a series of circuit breakers for currents from 250 to 630A, with a rated voltage of up to 660 V AC and 440 V DC, with a breaking capacity of up to 85 kA and the most in-demand market range of protection settings in the short-circuit current zone from 1250 to 6300 A. Included in the Ministry of Industry and Trade register.