The CEL auxiliary contact blocks are used for switching auxiliary circuits and control circuits in harsh industrial environments., CEL auxiliary contact blocks are designed as a 1-pole block with built-in microswitch, with protection class IP67 (terminals IP20). They have a delay-free make or break contact., For right or left-side mounting on contactors of size, A/AF95 - A/AF300, AF400 - AF2850, GAF185 - GAF2050