HOMEABOUT USPRODUCTSTRAININGNEWS & EVENTSSUPPORT & RESOURCESCONTACT USHELPVIEW QUOTE
Product SearchBuildingsHomesApplications & DownloadsCross ReferenceProduct Selection Tool
Air Quality
Building Automation
Commercial Combustion
Commercial Components
>Actuators and Motors
>Commercial Thermostats
>Controllers
>Dampers
>Economizers
>HVAC Service Assistance
>Lighting Controls
>Manual Switches
>Pneumatic Products
>Sail Switches
>Sensors
>Timers
>Tools and Materials
>Valves
>Variable Frequency Drives
Training Materials & Product Literature


Loading ...
Environmental & Combustion Controls
S437A1009
Switch with 1 in. x 3 in. Sail

Locate Distributors Product Specifications   Literature and Documents
Overview
The S437 Sail Switches respond to the air velocity in heating or warm air ducts, such as used in farm crop dryers. The switch completes a 24V or line voltage burner control circuit only when the blower or fan has produced a predetermined air velocity.

Loading ...
Features

• Micro Switch SPST snap switch is operated by metal sail inserted in an air stream.
• Sail can trimmed to one-half the original size to double the velocity required to close the snap switch contacts.
• Switch differential can be manually adjusted by turning a knurled knob on the snap switch.
• A conduit knockout is located on each end of the case for wiring convenience.
Product Specifications  Back To Top
Description Switch
Operating Velocity (fpm) 1900 fpm-2250 fpm
Operating Velocity (m/s) 9.7 m/s-11.4 m/s
Insertion Length (in.) 3 1/2 in.
Insertion Length (mm) 89 mm