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1911-20
Differential pressure switch, SPDT, range 4 - 20" w.c. less conduit enclosure.
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Product Specs
<< See all Product Models| Brand |
 |
| Applications | Refrigeration, Refrigeration Equipment |
| Commodity Code | 8536.50.9055 |
| Compliance Note | CE, CSA, FM, and UL. Optional-EXPL explosion-proof enclosure does not possess any compliance. |
| Deadband | 0.4 to 0.5 inH2O |
| DepthValue | 3.7 |
| ECCN | EAR99 |
| Electrical Connection | Screw Terminal |
| GrossWeightValue | 0.9 |
| HeightUoM | IN |
| HeightValue | 3.7 |
| Materials, Wetted | Consult Factory |
| Measurement Pressure Type | Differential |
| Measurement Pressure, Max | 20 inH₂O |
| Measurement Pressure, Min | 4 inH₂O |
| Media Compatibility | Clean dry air / inert gas, HVAC / room air, Inert / non-reactive gases, Helium, Nitrogen, Non-Corrosive Dry Gases |
| Mounting Orientation | Vertical Diaphragm |
| NetWeightValue | 0.9 |
| OkForExport | true |
| Operating Temperature, Max | 180 °F |
| Operating Temperature, Min | -30 °F |
| Port/Valve Configuration | Standard |
| Process Connection Size | 1/8 in |
| Process Connection Type | NPT Female |
| Proof Pressure | Up to 45 inH2O |
| RRS Code | 3 |
| Repeatability | ± 3%. |
| Set Point Adjustment | Internal Screw |
| Switch Note | 15 A @ 120-480 VAC, 60 Hz. Resistive 1/8 HP @125 VAC, 1/4 HP @ 250 VAC, 60 Hz. De-rate to 10 A for operation at high cycle rates |
| Switch Rating | 15 A @ 120-480 Vac, 1/8 HP @ 125 Vac, 1/4 HP @ 250 Vac |
| Switch Type | SPDT NO/NC, Selectable |
| Taxonomy Level 1 | SDM |
| Taxonomy Level 2 | CS |
| Taxonomy Level 3 | PT |
| Taxonomy Level 4 | MD |
| Weight | 581 g |
| WeightUoM | LB |
| WidthValue | 2.6 |
| Country of Origin | United States |
| See All Specs | |
PDFs & Manuals
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Show Ratings & Reviews
Rated 5 out of
5
by
Jacob 159 from
Works as promised
A widely used switch known for its high precision, dependable performance, and cost-effectiveness
Date published: 2025-10-13
Rated 5 out of
5
by
CKail14 from
Great product!
We placed an order for these and there was an issue with the adhesive used in making these so there was an extended lead time. Generally, we never have issues with Dwyer- this was the first time, so it did put us a little behind, but once we got them-we were good to go!
Date published: 2025-10-08