The ABB MCB-10B is a contact block featuring one normally open (N.O.) contact, designed with a 22.5mm base mount and rated for up to 600V. This non-metallic block is an essential component for pilot devices, pushbuttons, and selector switches, providing reliable switching performance in control circuits. Distributed by BSP Automation, the MCB-10B offers a straightforward and durable solution for industrial control setups—perfect for anyone needing a solid, no-nonsense contact block. Sometimes referenced by its alternate part number 320500307813, this component is a go-to choice that won’t let you down.