Features:

Simplified Installations with Multi-Speed Fans, Inaccessible Air Handlers, Fan Motors with Voltage or Phase Different from Controlled Equipment, Eliminated Wiring to System Fan
Polyester Film Sail Mounted on a Micro Switch Snap Switch
Removable Spring Counterbalances Sail to Allow Mounting in Either Vertical (Up or Down) or Horizontal Air Flow
Top and Bottom Conduit Knockouts for Wiring Convenience
Low Air Velocity Switch Operation Makes at 250 FPM and Breaks at 75 FPM

Specifications:

Manufacturer: Honeywell
Manufacturer Part Number: S688A1007
Product Type: Air Cleaner Sail Switch
Voltage Rating: 24/120/240 VAC
Current Rating: 2 A @ 24/120 VAC, 1 A @ 240 VAC (NO), 1 A @ 24/120 VAC, 0.5 A @ 240 VAC (NO) Full Load, 12 A @ 24/120 VAC, 6 A @ 240 VAC (NO), 6 A @ 24/120 VAC, 3 A @ 240 VAC (NC) Locked Rotor, 5 A @ 24/120 VAC, 2.5 A @ 240 VAC (NO), 2.5 A @ 24/120/240 VAC (NC) Resistive
Contact Configuration SPDT
Body Material: Polyester Film
Temperature Rating: 125 Degrees F (Switch), 170 Degrees F (Sail)
Insertion Length: 10"
Operating Velocity: 75 to 250 Ft. per Minute
Dimensions: 4.4" x 12.05" x 2.8"
Weight: 0.83 lb.