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Instantly add the Series MDA Miniature Adjustable Pressure Switch and 50,000+ more product series to your store or catalog  
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Dwyer Miniature Adjustable Pressure Switch, Series MDA

Series MDA Miniature Adjustable Pressure Switch

Brand: Dwyer Instruments, LLC
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Sense differential pressure with the Series MDA Miniature Adjustable Pressure Switch.

The switch features field adjustable set point and gold inlay contacts.

Air or other compatible fluids can be used on the "high side". The lightweight and compact size make the MDA ideal for any application with space constraints.

Applications include industrial, HVac, pump and motor control, medical, automotive, pools and spas.
Features
  • Air or fluid on high side permits multiple uses where both air and liquids exist
  • Small and lightweight for applications where space is constrained
  • Gold contacts help ensure a clean connection without dirt or oxidation

1 - 12 of 192 Part Numbers
MDA-011
MDA-011
  • Pressure Range - Inches WC: 0.1 to 0.5
  • Port Size: Low Range - Top 5/32" Tubing Connection
  • Port Size: High Range - Top 5/32" Tubing Connection
  • Adjustment Type - Field Adjustable
  • Options - None
  • Diaphragm - Polyurethane
MDA-011-NPT
MDA-011-NPT
  • Pressure Range - Inches WC: 0.1 to 0.5
  • Port Size: Low Range - Top 5/32" Tubing Connection
  • Port Size: High Range - Top 5/32" Tubing Connection
  • Adjustment Type - Field Adjustable
  • Options - 1/8" NPT
  • Diaphragm - Polyurethane
MDA-011-NPT-T
MDA-011-NPT-T
  • Pressure Range - Inches WC: 0.1 to 0.5
  • Port Size: Low Range - Top 5/32" Tubing Connection
  • Port Size: High Range - Top 5/32" Tubing Connection
  • Adjustment Type - Field Adjustable
  • Options - 1/8" NPT
  • Diaphragm - T Diaphragm
MDA-011-PRESET
MDA-011-PRESET
  • Pressure Range - Inches WC: 0.1 to 0.5
  • Port Size: Low Range - Top 5/32" Tubing Connection
  • Port Size: High Range - Top 5/32" Tubing Connection
  • Adjustment Type - Preset (Not Field Adjustable)
  • Options - None
  • Diaphragm - Polyurethane
MDA-011-PRESET-NPT
MDA-011-PRESET-NPT
  • Pressure Range - Inches WC: 0.1 to 0.5
  • Port Size: Low Range - Top 5/32" Tubing Connection
  • Port Size: High Range - Top 5/32" Tubing Connection
  • Adjustment Type - Preset (Not Field Adjustable)
  • Options - 1/8" NPT
  • Diaphragm - Polyurethane
MDA-011-PRESET-NPT-T
MDA-011-PRESET-NPT-T
  • Pressure Range - Inches WC: 0.1 to 0.5
  • Port Size: Low Range - Top 5/32" Tubing Connection
  • Port Size: High Range - Top 5/32" Tubing Connection
  • Adjustment Type - Preset (Not Field Adjustable)
  • Options - 1/8" NPT
  • Diaphragm - T Diaphragm
MDA-011-PRESET-T
MDA-011-PRESET-T
  • Pressure Range - Inches WC: 0.1 to 0.5
  • Port Size: Low Range - Top 5/32" Tubing Connection
  • Port Size: High Range - Top 5/32" Tubing Connection
  • Adjustment Type - Preset (Not Field Adjustable)
  • Options - None
  • Diaphragm - T Diaphragm
MDA-011-T
MDA-011-T
DWYER Miniature Adjustable Pressure Switch, Min. Set Point 0.1" W.C. (0.25 mbar), Max. Set Point 0.5" W.C. (1.25 mbar).
  • Pressure Range - Inches WC: 0.1 to 0.5
  • Port Size: Low Range - Top 5/32" Tubing Connection
  • Port Size: High Range - Top 5/32" Tubing Connection
  • Adjustment Type - Field Adjustable
  • Options - None
  • Diaphragm - T Diaphragm
MDA-012
MDA-012
  • Pressure Range - Inches WC: 0.1 to 0.5
  • Port Size: Low Range - Top 5/32" Tubing Connection
  • Port Size: High Range - Right 5/32" Tubing Connection
  • Adjustment Type - Field Adjustable
  • Options - None
  • Diaphragm - Polyurethane
MDA-012-NPT
MDA-012-NPT
  • Pressure Range - Inches WC: 0.1 to 0.5
  • Port Size: Low Range - Top 5/32" Tubing Connection
  • Port Size: High Range - Right 5/32" Tubing Connection
  • Adjustment Type - Field Adjustable
  • Options - 1/8" NPT
  • Diaphragm - Polyurethane
MDA-012-NPT-T
MDA-012-NPT-T
  • Pressure Range - Inches WC: 0.1 to 0.5
  • Port Size: Low Range - Top 5/32" Tubing Connection
  • Port Size: High Range - Right 5/32" Tubing Connection
  • Adjustment Type - Field Adjustable
  • Options - 1/8" NPT
  • Diaphragm - T Diaphragm
MDA-012-PRESET
MDA-012-PRESET
  • Pressure Range - Inches WC: 0.1 to 0.5
  • Port Size: Low Range - Top 5/32" Tubing Connection
  • Port Size: High Range - Right 5/32" Tubing Connection
  • Adjustment Type - Preset (Not Field Adjustable)
  • Options - None
  • Diaphragm - Polyurethane
1 - 12 of 192 Part Numbers

View_Details

Specifications

Brand

Adjustment Type

  • Factory Set (Pre-Set)
  • Field Adjustable

Approvals & Certifications

  • UL

Diaphragm Material

  • Polyurethane

Electrical Connectors

  • Brass Tab-Typical for Use with Quick Disconnections

Electrical Contacts

  • Gold

Electrical Rating

  • 40 mA Resistive Load Allowing for Life in Excess of 20 Million Cycles

Enclosure, Body Material

  • Polycarbonate

NPT Connection

  • 1/8” NPT Female

Operating Temperature

  • 4° to 66° C (40° to 150° F)

Set Point - Decreasing

  • Inches WC: 0.1 to 100

Set Point - Increasing

  • Inches WC: 0.1 to 100

Switch Type

  • SPST

System Pressure

  • Inches WC: 0.1 to 100

  • Industrial
  • HVAC
  • Automotive
  • Medical
  • Pump and Motor Control
  • Pools and Spas

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