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Pressure Switches & Sensors

AFS Differential Pressure Switches

AFS Series Differential Pressure Switches is designed for both HVAC and Energy Management applications & These pressure switches can be used to sense positive, negative, or differential air pressures when used in conjunction sampling tube.

Overview

The AFS Series Differential Pressure Switches are general purpose proving switches designed for both HVAC and Energy Management applications. These pressure switches can be used to sense positive, negative, or differential air pressures when used in conjunction with an A/SPT or A/VPT Series sampling tube.

The plated housing contains a diaphragm, calibration spring and single snap-acting contact closure with either a manual or automatic reset switch depending on the model. The enclosure cover contains a ½” conduit knockout and guards against accidental contact with the live switch terminal screws as well as the set point adjusting screw.

Features & Benefits:
  • ACI's two (2) year limited warranty
  • Can be mounted on any vertical plane
  • Used for monitoring filter blockage
  • Used to Prove excessive or insufficient flow
  • Widely used in Alarms and Control
Certifications:
  • UL
  • CUL
  • FM
  • CSA
  • CE
  • ISO 9001: 2008
Specifications

Others

  • Connection Size
    • 1/2 inch
  • Switching Differential
    • 0.02 - 0.8 WC inch
  • Minimum Operating Humidity
    • 10 Percentage
  • Maximum Operating Humidity
    • 95 Percentage
  • Minimum Operating Ambient Temperature
    • -40 degree Fahrenheit
    • -40 degree Celsius
  • Maximum Operating Ambient Temperature
    • 180 degree Fahrenheit
    • 82 degree Celsius
  • Brand
    • Alerton
  • Pressure Type
    • Differential
  • Connection Type
    • Screw Terminal
  • Pressure Sensor Type
    • Differential

Others

  • Connection Size
    • 1/2 inch
  • Switching Differential
    • 0.02 - 0.8 WC inch
  • Minimum Operating Humidity
    • 10 Percentage
  • Maximum Operating Humidity
    • 95 Percentage
  • Minimum Operating Ambient Temperature
    • -40 degree Fahrenheit
    • -40 degree Celsius
  • Maximum Operating Ambient Temperature
    • 180 degree Fahrenheit
    • 82 degree Celsius
  • Brand
    • Alerton
  • Pressure Type
    • Differential
  • Connection Type
    • Screw Terminal
  • Pressure Sensor Type
    • Differential
  • Connection Size : 1/2 inch
  • Switching Differential : 0.02 - 0.8 WC inch
  • Minimum Operating Humidity : 10 Percentage
  • Maximum Operating Humidity : 95 Percentage
  • Minimum Operating Ambient Temperature : -40 degree Fahrenheit|-40 degree Celsius
  • Maximum Operating Ambient Temperature : 180 degree Fahrenheit|82 degree Celsius
  • Brand : Alerton
  • Pressure Type : Differential
  • Connection Type : Screw Terminal
  • Pressure Sensor Type : Differential
Product Number
Image
SKU
Description
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A/AFS-460
Differential Pressure Switch, Manual Reset, 0.40 +-0.06in to 12“ wc
Image
SKU
Description
alt
A/AFS-460
Differential Pressure Switch, Manual Reset, 0.40 +-0.06in to 12“ wc