The Schneider Electric ZCEA8 with Switch Actuators ZCE limit switch head is an electronic part designed for use as a type of switch in electrical circuits. It is used to open and close circuits during certain operations. It is a box-style, small-size switch body that has two switching elements, both mounted on a common actuator. It has four contact forms, which are normally closed (NC), normally open (NO), change-over (DTCD), and double break (DB). It is made from a robust and reliable material with a thermoplastic actuator and an aluminum die-cast case. The ZCE Series includes a range of ZCEA8 models with a wide variety of actuator lengths suitable for different applications. It is rated for operation in temperatures ranging from -20°C to +60°C and in relative humidity up to 95%. It is UL, CUL, and TUV approved.