The Square D XCKJ110559 is a heavy duty, plug-in limit switch from the Osiswitch line, built for position sensing in industrial environments where washdown and dust ingress are routine. Its SPDT contact set is rated 10 A at 240 VAC and 0.27 A at 250 VDC — the AC figure covers most control-circuit and motor-starter pilot duty, while the DC rating is derated significantly for inductive loads like DC solenoids or contactor coils.
Approvals include UL and CSA, covering installations in North American panels subject to these listing requirements. The switch also references EN/IEC 60204-1 and EN/IEC 60947-5-1, so it meets the machinery safety and control-circuit standards common in European-export equipment.
Installation & Wiring
Connection is via a PG13.5 cable gland and screw-clamp terminals — a standard metric entry that accepts common control cables. The plug-in design means the head and body separate for wiring without disturbing the actuator position; useful when replacing a switch in a tight panel without re-running the conduit. Operating temperature range is -13 to 158 °F (-25 to 70 °C), covering most indoor and outdoor cabinet environments. Below -13 °F the lubricants in the snap-action mechanism may stiffen; above 158 °F the ZAMAK body and plastic lever are within their continuous limits.