Description
The Adjustable Duct Limit Thermostat Controls operate using physics to ensure HVAC safety. A helix bi-metal element senses a rapid temperature change. When the temperature changes the bi-metal expands and triggers a snap action SPST switch and opens a circuit. A manual reset lever reactivates the temperature limit after the high-temperature condition has cleared. These switches are commonly installed in air ducts designed to shut down heating and ventilation equipment in apartment complexes and other multiple dwelling units when air temperature exceeds the set point to prevent spread of smoke and/or fire throughout HVAC ducts.
Senasys takes pride in quality control and reliable operation of our components. Every switch is individually 100% tested before it leaves the plant.
PRODUCT SPECIFICATIONS
- Adjustable Temperature Range: 100°F to 250°F
- -40°F to 190°F Enclosure Ambient Temperature
- 350°F Maximum Insertion Element Ambient Temperature
- Manual Reset, Opens on Temperature Rise
- 120-240 VAC
- 4.9 FLA @ 240 VAC / 9.8 FLA @ 120 VAC / 29.4 LRA @ 240 VAC / 58.8 LRA @ 240 VAC
- Helix Bi-Metal Temperature Sensor
- 5″, 7.5″ or 11″ Insertion Element
- UL Approved
- Meets requirements in Section 907.3.1. of the North Carolina Mechanical Building Code.
- Made in U.S.A.
Firestat thermostat switches are built to customer specifications. Custom options available, such as, temperature ranges, element lengths & fixed temperatures. Click here to Contact us to discuss your requirements.
For large quantity orders, greater than 20pcs, please contact Senasys at info@senasys.com for quantity price & availability.
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