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MDA-311
MINIATURE ADJUSTABLE PRESSURE SWITCH, M
Image is for illustrative purposes only. Please refer to product description.
| Manufacturer | DWYER |
|---|---|
| Manufacturer Part No | MDA-311Copy |
| Manufacturer Standard Lead Time | 12 weeks |
| Order Code | 4290536 |
| Product Range | MDA Series |
| Your Part Number | |
| Technical Datasheet |
Available to Order
Manufacturer Standard Lead Time: 12 week(s)
Notify me when back in stock
| Quantity | Price (Incl GST) |
|---|---|
| 1+ | $84.560 ($97.244) |
Price for:Each
Minimum: 1
Multiple: 1
$84.56 ($97.24 inc GST)
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Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
Product Information
| Manufacturer | DWYER |
|---|---|
| Manufacturer Part No | MDA-311Copy |
| Manufacturer Standard Lead Time | 12 weeks |
| Order Code | 4290536 |
| Product Range | MDA Series |
| Technical Datasheet | |
| Product Range | MDA Series |
| SVHC | No SVHC (04-Feb-2026) |
Product Overview
MDA-311 is a series MDA miniature adjustable pressure switch. It is used to sense differential pressure. The switch features field adjustable set point and gold inlay contacts. 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.
- Minimum set point 15in w.c. (37.37mbar), maximum set point 60in w.c. (149.3mbar)
- SPST normally open switch
- Current rating of 40mA resistive, cycle life of more than 20 million cycles
- Operating temperature of 40 to 150°F (4 to 66°C), storage temperature of -46 to 150°F (-43 to 66°C)
- Air or fluid on high side permits multiple uses where both air and liquids exist
- 18K gold inlay contacts help ensure a clean connection without dirt or oxidation
- 0.187" x 0.20 spade (recessed) terminals for use with quick disconnects
- Smooth port 5/32" diameter for 1/8" ID tubing pressure connections
- Polycarbonate housing, polyurethane diaphragm
- Operating voltage of 30VAC/DC or less with resistive load
Technical Specifications
| Product Range | MDA Series |
|---|
| SVHC | No SVHC (04-Feb-2026) |
|---|
Technical Docs (1)
Legislation and Environmental
| Country of Origin: Country in which last significant manufacturing process was carried outCountry of Origin: | United States Country in which last significant manufacturing process was carried out |
|---|---|
| Tariff No: | 85365080 |
| US ECCN: | EAR99 |
| EU ECCN: | NLR |
| RoHS Compliant: | Yes RoHS |
| RoHS Phthalates Compliant: | Yes RoHS |
| SVHC: | No SVHC (04-Feb-2026) |
| Download Product Compliance Certificate | Product Compliance Certificate |
| Weight (kg): | .004536 |