Metal Limit Switch Heads (ZCKE/Y) Complete limit switch assemblies can be constructed using ZCKJ limit bodies and ZCKE/Y limit switch heads and actuators Rated 240V 3A at AC15 10A I th Snap action NC contacts with positive opening operation -25 to +70°C operating temperature Protected to IP66 Approvals UL, CSA Standards VDE0660, IEC947-5-1 Telemecanique, Square D & Crouzet