1-Body made of polyamide resin 6 self-extinguishing and infrangible. 2-Moulded connector made of polyamide resin 6 self-extinguishing. 3-Pressed terminals made of 3 ways zinc electro-alloy. Fast assembling on DIN rail. 4-Double DIN rail to allow the 4 cables 3 ways terminal strip 4*25sqmm/ 5*25sqmm/4*35sqmm plus one or two fuse carriers (or MCB) 5-Voltage 450V max. current 63A. 6-Pole recessed mounting diameter min. 140mm. 7-The min. dimensions of the door openingof the pole should be 100*400mm. 8-Body and terminals class 2 according to CEI64-8/4 standards. 9-Protection rate IP44 along the frame;IK 08 according to CEI EN 50102 standards. 10-Any RAL colour on request.