Description
Schneider Electric (Square D) ZCKL1 Limit Switch Body
The Schneider Electric (Square D) ZCKL1 is a heavy-duty limit switch body designed for precise position detection and control in HVAC, industrial, and building automation applications. Engineered to accept a wide range of ZCK-series operating heads, this modular limit switch body delivers dependable NO/NC contact operation at up to 240V, making it a versatile solution for damper end-of-travel sensing, fan interlock circuits, valve position feedback, and equipment safety shutoff applications.
Key Features
- Modular limit switch body compatible with Schneider Electric ZCK-series operating heads
- Normally Open (NO) and Normally Closed (NC) contact configuration
- Rated operating voltage: 240V
- Robust construction for reliable performance in demanding HVAC and industrial environments
- Snap-action contact mechanism for fast, positive switching
- Designed for easy field assembly and head replacement without rewiring
- Part of the Schneider Electric Osiswitch ZCK modular limit switch family
Typical Applications
- Damper end-of-travel position sensing
- Fan and blower interlock circuits
- Valve open/closed position feedback
- Equipment safety shutoff and overtravel protection
- Building automation and HVAC control panels
Why Choose the ZCKL1
The Square D ZCKL1 limit switch body is part of Schneider Electric’s trusted Osiswitch ZCK modular series, renowned for its durability, flexibility, and ease of installation. The modular design allows technicians to swap operating heads independently of the switch body, reducing downtime and simplifying maintenance. With NO/NC contacts and 240V compatibility, the ZCKL1 integrates seamlessly into a broad range of HVAC and industrial control circuits.







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