SCHURTER Inc Multibox UPB 63A, DIII MULTIBOX UPB 63A

The MULTIBOX UPB 63A is a heavy-current enclosure designed for direct mounting on formwork during concrete pouring, featuring a two-piece transparent and sealable housing filled with polystyrene to prevent water penetration. It has an adjustable wall thickness range of 18 to 25 cm and includes a bolt lock with a 4-kant slot and an N-connector that automatically separates when screw loosening occurs. Rated for 63 A at 500 VAC, it supports a rated impulse withstand voltage of 6 kV, a short-circuit current of 50 kA, and a short-time withstand current of 20 kA. Allowed ambient temperature is -25 °C to +40 °C, with IP54 protection. Terminals accept 6 to 50 mm² conductors, and an external M8 earth connection is provided. The unit complies with CE and UKCA declarations and REACH regulations.