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Mamco Pressure Switch, LF32

LF32 Pressure Switch

Brand: Mamco
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The MAMCO LF32 pressure switch is an ultra sensitive pressure switch capable of sensing pressure, vacuum and differential air pressure or other non combustible gases. 

Unique features of this pressure switch are a scaled adjustment knob for fine field adjustment without the aid of a manometer. The means of adjusting the switch differential (hysteresis) is simply by using a screwdriver. 

Common applications for this pressure switch are: Monitoring air filters and ventilators, monitoring air flow in ventilation ducts and frost protection for heat exchangers.  
Features
  • Designed with a Scaled Adjustment Knob to Make Changing a Set-Point Simple
  • Ideal for Overheating Protection for Fan Heaters
  • Great for Frost Protection in Heat Exchangers

1 - 4 of 4 Part Numbers
LF32-02
LF32-02
Pressure Switch
  • Pressure Range - Pa: 20 to 200, inches WC: 0.08 to 0.80
  • Differential Pressure Range - Pa: 10
LF32-04
LF32-04
Pressure Switch
  • Pressure Range - Pa: 40 to 400, inches WC: 0.16 to 1.60
  • Differential Pressure Range - Pa: 20
LF32-10
LF32-10
Pressure Switch
  • Pressure Range - Pa: 200 to 1,000, inches WC: 0.80 to 4.0
  • Differential Pressure Range - Pa: 100
LF32-25
LF32-25
Pressure Switch
  • Pressure Range - Pa: 500 to 2,500, inches WC: 2.0 to 10.0
  • Differential Pressure Range - Pa: 150
1 - 4 of 4 Part Numbers

View_Details

Specifications

Brand

Approvals & Certifications

  • ISO 9001: 2000

Tube Connection

  • 0.24” (6 mm) Tube

Environmental Protection

  • IP54

Switch Type

  • SPDT
  • SPST

Materials of Construction

  • Copper Alloy - Terminal

Set Point - Increasing

  • Inches WC: 0.08 to 10
  • mbar: 0.2 to 24.88
  • mmHg: 0.15 to 18.68

Set Point - Decreasing

  • Inches WC: 0.08 to 10
  • mbar: 0.2 to 24.88
  • mmHg: 0.15 to 18.68

Resistance

  • Initial: < 400 milliohms

Electrical Connectors

  • Terminal Connection: 0.25” (6.4 mm) Copper Alloy

Operating Temperature

  • -40° to 85° C (-40° to 185° F)

Tolerance

  • 15%

Electrical Rating

  • 0.4 A at 250 V
  • 1.5 A at 250 V

Mounting Position

  • Diaphragm in Any Vertical Plane

Differential Pressure

  • psi: 0.001 to 0.021 (kPa: 0.01 to 0.15, bar: 0.0001 to 0.0015)

Media

  • Air
  • Non-Aggressive Gas
  • Non-Combustible Gas

Applications

  • Frost Protection for Heat Exchangers
  • Monitoring Air Filters & Ventilators
  • Monitoring Air Flow in Ventilation Ducts

  • Monitoring Air Filters & Ventilators
  • Monitoring Air Flow in Ventilation Ducts 
  • Frost Protection for Heat Exchangers
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