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Air Velocity Sensors

SAIL SWITCH

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 preset air velocity.

Overview
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.
Specifications

Others

  • Maximum Operating Ambient Temperature
    • 150 degree Fahrenheit
    • 66 degree Celsius
  • Brand
    • Honeywell BMS NA
  • Setpoint Device
    • Knob on the Snap Switch
  • Includes
    • Case foot
    • Cover foot
  • Mounting Type
    • Horizontal inch

Others

  • Maximum Operating Ambient Temperature
    • 150 degree Fahrenheit
    • 66 degree Celsius
  • Brand
    • Honeywell BMS NA
  • Setpoint Device
    • Knob on the Snap Switch
  • Includes
    • Case foot
    • Cover foot
  • Mounting Type
    • Horizontal inch
  • Maximum Operating Ambient Temperature : 150 degree Fahrenheit|66 degree Celsius
  • Brand : Honeywell BMS NA
  • Setpoint Device : Knob on the Snap Switch
  • Includes : Case foot|Cover foot
  • Mounting Type : Horizontal inch
Data Sheet
Name
Description
File Size
Date
Size
Product Data
application/pdf 296.82 KB
5/14/2023
296.82 KB
Name
Description
File Size
Date
Size
Product Data
296.82 KB
5/14/2023
296.82 KB
Name
Description
File Size
Date
Size
Product Data
296.82 KB
5/14/2023