Busbar Holder Insert 25 x 5 mm – SU1, SU2, SU3, SU4

This busbar holder insert is designed for 25 x 5 mm busbars and is compatible with SU1, SU2, SU3, SU3-1, and SU4 holder models. The insert provides secure termination and positioning of copper or aluminium busbars in electrical distribution panels and switchboards. Ideal for electrical contractors, panel builders, and facilities managers requiring reliable busbar termination solutions.