These connectors should not be mated or unmated under electrical load. Connectors of the same or different types arranged in a line should be polarised to prevent the possibility of wrong connection. Han Axial 40A Screw Module. 2 contacts (40A) for power circuits Male insert with additional protection collar Polarisation of module Mating cycles 500 Accepts 2.5 to 8mm² cable Hexagonal key stock no. ; 358-3845 358-3845 required for setscrew