12 Way U Type Terminal Blocks Connectors 12 position terminal block to help you connect safely Brass contacts and screw clamp fixing in chrome-plated steel. Each terminal block is manufactured using brass conductor inserts with electro-tin plated connector screws. Physical properties Style Feed through terminal blocks Type U type Shell material PP Conductor material Brass Screw material Steel,zinc plated Volt 380V-450V Amp 3A~100A Glow Wire Test 850℃ Standard color Natural,black,red,green,yellow,blue Specification Application Suitable for quick and east joining of vehicle wiring, boats and caravan wiring, modelling electrics, household lighting, general mains power connections.