Control wire tap for nut keeper unit, 10, accessory for: 3VA1

control wire tap for nut keeper kit 10 accessory for: 3VA1 400/630 3VA2 400/630 Connection technology for 3VA molded-case circuit breakers The connection technology of the 3VA molded case circuit breakers is designed to support uncomplicated and convenient commissioning of the 3VA molded case circuit breakers and to meet all installation requirements.