The ABB MCBH-00 Contact Block Holder is a modular support designed to hold up to 3 contact blocks. It offers a reliable and versatile solution for your automation and control needs, compatible with a wide range of ABB pilot devices. With a durable construction and easy front mounting, this holder ensures efficient integration into your systems..The ABB MCBH-00 is a modular contact block holder designed for front mounting. It supports up to 3 blocks and operates within an ambient air temperature range of -25 to +70 degrees Celsius. The holder is constructed from ceramic, metal, and plastic materials, and features screw connectors. It is compatible with various ABB pilot devices including MP1, MP2, MP3, MP4, MPD1, MPD2, MPD3, MPD4, MPD5, MPD11, MPD12, MPD13, MPD14, MPD15, MPD16, MPM1, MPM2, KP6, MPET3, MPEP3, MPEK3, MPET4, MPEP4, MPEK4, MPMT3, MPMT4, MPMP3, MPMP4, M2SS1, M2SS2, M2SS3, M2SS4, M2SS5, M2SS6, M3SS1, M3SS2, M3SS3, M3SS4, M3SS5.