The Honeywell Sensing and Control EX-AR30 is a heavy-duty SPDT (Single-Pole Double-Throw) limit switch featuring a 1NC/1NO contact configuration. Engineered for precision position sensing and reliable switching in demanding HVAC, industrial, and commercial control applications, the EX-AR30 delivers consistent performance where accurate detection of mechanical position or movement is critical.
Key Features
- SPDT (Single-Pole Double-Throw) switching action for versatile circuit control
- 1NC/1NO contact arrangement provides both normally closed and normally open outputs
- Robust construction designed for reliable operation in commercial and industrial environments
- Precise actuation for accurate position and limit detection
- Compatible with a wide range of HVAC, building automation, and industrial control systems
- Honeywell Sensing and Control quality engineering for long service life
Applications
- HVAC damper position sensing and end-of-travel detection
- Commercial and industrial equipment limit detection
- Building automation and control panel integration
- Safety interlock circuits requiring both NC and NO switching
- Mechanical position feedback in actuator and valve systems
Why Choose the EX-AR30
Honeywell Sensing and Control has a long-standing reputation for producing precision switching components trusted by HVAC professionals and industrial engineers alike. The EX-AR30 limit switch’s SPDT 1NC/1NO configuration offers maximum wiring flexibility, allowing it to serve as both a safety interlock and a position-confirmation device within the same installation. Its durable design ensures dependable operation across a broad range of commercial and industrial environments.








