ABB MCBH-20

The ABB MCBH-20 is a 2 normally open (N.O.) contact block paired with its contact block holder, designed for front mounting in a compact 22.5mm size. Rated for up to 600V, this non-metallic unit is built to work seamlessly with pilot devices such as pushbuttons and selector switches. Distributed by BSP Automation, it’s a solid choice when you need reliable control components that fit neatly into your setup—no fuss, just straightforward performance. This piece, sometimes known as 320500307486, is a real workhorse in control panel applications.