MDA-311 | Miniature adjustable pressure switch | min. set point 15
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Documents: MDA-311

MDA-311 | Miniature adjustable pressure switch | min. set point 15" w.c. (37.37 mbar) | max. set point 60" w.c. (149.3 mbar). | Dwyer

Miniature adjustable pressure switch, min. set point 15" w.c. (37.37 mbar), max. set point 60" w.c. (149.3 mbar).

Brand: DwyerSKU: MDA-311
Dwyer | MDA-311
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Overview Details for MDA-311

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Miniature adjustable pressure switch | min. set point 15" w.c. (37.37 mbar) | max. set point 60" w.c. (149.3 mbar).

Series MDA Miniature Adjustable Pressure Switch

Adjustable Set Points from 0.1 to 100" of H2O

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.

NOTE: 50 PIECE MINIMUM ORDER.

Product Applications

  • Industrial
  • HVAC
  • Automotive
  • Medical
  • Pump and motor control
  • Pools and spas
  • 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

Specifications

Series
MDA Miniature Adjustable Pressure Switch
Category/Type
Pressure
Type
Differential Pressure
Series
MDA Miniature Adjustable Pressure Switch
Switch Type
SPST normally open.
Switching Media
Air or compatible fluids on “high side”.
Pressure Limits
MDA-011: 4 psi; MDA-111: 8 psi; MDA-211: 8 psi; MDA-311: 15psi. MDA-411: 30 psi.
Current Rating
40 mA resistive for life in excess of 20 million cycles.
Temperature Limits
40 to 150°F (4 to 66°C).
Contacts
18K gold inlay.
Electrical Connections
Terminals - 0.187" x 0.20: spade (recessed) for use with quick disconnects.
Pressure Connections
Smooth port 5/32" diameter for 1/8" ID tubing.
Housing
Polycarbonate.
Diaphragm Material
Polyurethane.
Operating Voltage
AC/DC - 30 V or less with resistive load.
Mounting
Use #4 screws through mounting lugs or #2 screws through eyelets.
Weight
Less than 10 grams.

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