Series MDS Miniature Pressure Switch

Series MDS Miniature Pressure Switch

Series A4 Differential Pressure Switch

Series A4 Differential Pressure Switch

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
Starting at $31.50
Grouped product items
Model Description Availability* Qty Price
MDA-011-T Miniature adjustable pressure switch, min. set point 0.1" w.c. (0.25 mbar), max. set point 0.5" w.c. (1.25 mbar). 1-3 days*
$33.20
MDA-111 Miniature adjustable pressure switch, min. set point 0.5" w.c. (1.25 mbar), max. set point 2.0" w.c. (4.98 mbar). 1-3 days*
$31.50
MDA-211 Miniature adjustable pressure switch, min. set point 2.0" w.c. (4.98 mbar), max. set point 15" w.c. (37.37 mbar). 1-3 days*
$31.50
MDA-311 Miniature adjustable pressure switch, min. set point 15" w.c. (37.37 mbar), max. set point 60" w.c. (149.3 mbar). 1-3 days*
$31.50
MDA-411 Miniature adjustable pressure switch, min. set point 60" water (149.3 mbar), max. set point 100" water (249.10 mbar). 1-3 days*
$31.50

Specifications

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: 15 psi. 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.
  • 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

Model Chart

     MDA-XXX-OPT    MDA MINIATURE ADJUSTABLE PRESSURE SWITCH
    
          1ST SYMBOL (1ST X) SET POINT RANGE
             0   0.1 - 0.5 IN WC
             1   0.5 - 2 IN WC
             2   2 - 15 IN WC
             3   15 - 60 IN WC
             4   60 - 100 IN WC
             5   0.03 - 0.1 IN WC            
    
          1ST SYMBOL (2ND X) LOW PORT CONNECTION
             1   TOP MOUNT SMOOTH PORT FOR 1/8 ID TUBING
             2   SIDE MOUNT BARB FOR 3/16 ID TUBING
    
          1ST SYMBOL (3RD X) HIGH PORT CONNECTION
             1   TOP MOUNT SMOOTH PORT FOR 1/8 ID TUBING
             2   SIDE MOUNT BARB FOR 3/16 ID TUBING
             3   BOTTOM MOUNT 1/8 MALE NPT CONNECTION
         
          OPTIONS (OPT)
            -PRESET  PRESET SWITCH
            -T       PTFE

          NOTES
            #1. 50 PIECE MINIMUM REQUIRED FOR ALL CONFIGURED ITEMS.
Write Your Own Review
Only registered users can write reviews. Please Sign in or create an account
Model Description Availability* Price