HONEYWELL S437A1009/U SWITCH 1 in. x 3 in. SAIL

Product Description

The HONEYWELL S437A1009/U is a sail switch designed to respond to air velocity in HVAC systems. It is used primarily in heating or warm air ducts, including agricultural applications such as crop dryers. The switch activates a burner control circuit of 24V or line voltage when the blower or fan achieves the necessary air velocity.

• Micro switch SPST snap switch with a metal sail.
• Adjustable switch differential for precise operation.
• Includes convenient conduit knockouts for wiring.

Product Highlights

The sail switch is crucial for ensuring proper airflow in HVAC systems, providing reliability and efficiency.

Product Information

Standard Information

• Application: Sail Switch
• Manufacturer: HONEYWELL

Technical Specifications

• Dimensions (in.): 2 15/16 in. high x 3 3/4 in. wide x 2 in. deep; Sail Dimensions: 1 in. x 3 in.
• Insertion Length (in.): 3 1/2 in.
• Ambient Temperature Range: Up to 150 F (66 C)
• Contact Ratings (AFL): 8.0 A @ 120 Vac; 5.1 A @ 240 Vac; 2.0 A @ 24 Vac
• Operating Velocity (fpm): 1900 fpm-2250 fpm
• Approvals: UL, CSA