Description
The Schneider Electric (Square D) LADN31 is a multi-contact auxiliary contact block designed for use with Harmony XB4 and XB5 series pushbutton and selector switch assemblies. Engineered for dependable performance in industrial and commercial control panel applications, this contact block provides a versatile 3 Normally Open (N/O) and 1 Normally Closed (N/C) contact configuration, making it ideal for complex switching and interlocking control circuits.
Key Features
- Contact configuration: 3 N/O (Normally Open) + 1 N/C (Normally Closed)
- Designed for use with Schneider Electric Harmony XB4 and XB5 pushbutton and selector switch bodies
- Compact, front-mount design for easy panel integration and wiring
- Screw-clamp terminal connections for secure, vibration-resistant wiring
- Suitable for use in motor control, HVAC equipment control panels, and industrial automation circuits
- Manufactured to Schneider Electric / Square D quality standards
Typical Applications
- HVAC rooftop unit and air handling unit control panels
- Motor starter and contactor auxiliary switching circuits
- Industrial pushbutton station assemblies
- Interlocking and sequencing control logic
- Commercial building automation and equipment control enclosures
Why Choose the LADN31
The LADN31 contact block from Schneider Electric (Square D) delivers the multi-contact flexibility needed for sophisticated control circuit designs. Its 3 N/O and 1 N/C configuration allows engineers and technicians to handle multiple switching functions from a single operator element, reducing panel complexity and improving reliability. Built to Schneider Electric’s exacting standards, this contact block is a trusted choice for HVAC professionals, electrical contractors, and panel builders who demand consistent, long-lasting performance.
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