The selective main circuit breakerfor direct mounting on 4- or 5pole 40 mm-bus bars systems 12 x 5 mm² and 12 x 10 mm². The mounting and connection of venting lever follows tool-free via cage-clamps terminals. Additional frame clamps enables the feeding in the bus bar system 50 mm² connection section or. 100 A feeding current.
With Phasen-labelling on Automaten L1.also received L2 and L3 lables.