Square D (Schneider Electric) ZC2JE04 Limit Switch Head. Telemecanique OsiSense Limit Switch Head, Rotary, Series: ZC2J, Lever Arm Actuator, Left/Right Actuator Location, For Use with: XC2J and ZC2J Series Special Format Limit Switch, -25 to 70 deg C, Metal. Additional Description: SQD -ZC2JE04 (N) LIMIT SWITCH HEAD. Catalog Description: Limit switch head, Limit switches XC Standard, ZC2J, without lever spring return left and right actuation.