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MDA-311
Miniature adjustable pressure switch, min. set point 15" w.c. (37.37 mbar), max. set point 60" w.c. (149.3 mbar).
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Product Specs
<< See all Product Models| Brand |
 |
| Applications | HVAC, Medical, Pump Control |
| Electrical Connection | Screw Terminal |
| GrossWeightValue | 0.01 |
| Materials | Polycarbonate, PTFE |
| Measurement Pressure Type | Differential |
| Measurement Pressure, Max | 60 inH₂O |
| Measurement Pressure, Min | 15 inH₂O |
| Media Compatibility | Consult Factory |
| Mounting Orientation | Panel Mount |
| Operating Temperature, Max | 150 °F |
| Operating Temperature, Min | 40 °F |
| Operating Voltage Note | AC/DC - 30 V or less with resistive load. |
| Operating Voltage, Max | 30 Vac/Vdc, 30 V |
| Process Connection Note | Smooth port 5/32˝ diameter for 1/8˝ ID tubing |
| Process Connection Size | 5/32 in |
| Process Connection Type | Stem |
| Proof Pressure | Up to 4 psi |
| Requires Factory Media Review | true |
| Series ID | Series-MDA |
| Spec Sheet QR URL | https://www.dwyeromega.com/en-us/mini-adjustable-pressure-switch-gold-contacts-hvac-industrial-medical/Series-MDA/p/MDA-311?guid=701a700000ulrduaaq&utm_source=spec-sheet&utm_medium=qr-code&utm_campaign=prd-sku-spec-sheet&utm_content=auto-generated-sku-level-spec-sheet |
| Storage Temperature, Max | 150 °F |
| Storage Temperature, Min | -46 °F |
| Switch Note | SPST normally open, 40 mA resistive; Cycle life: More than 20 million cycles, Switch Contacts: 18K gold inlay |
| Switch Rating | 40 mA |
| Switch Type | SPST |
| Weight | 10 g |
| Country of Origin | United States |
| See All Specs | |
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Show Ratings & Reviews
Rated 5 out of
5
by
Weber from
Amazing Miniature adjustable Pressure Switch
We have had great success with the adjustable pressure switch that Dywer provides to our company.
I recommend this switch for anyone needing a high quality long lasting miniature adjustable for their application. Pricing, quality, delivery, is first class always from Dwyer.
Date published: 2026-02-03