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1638-1
Large diaphragm pressure switch, range 0.20-1.0" w.c., approx deadband @ 0.04 min. set point, 0.06 max. set point.
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Product Specs
<< See all Product Models| Brand |
 |
| Applications | HVAC |
| Deadband | 0.04 to 0.06 inH2O |
| Electrical Connection | Screw Terminal |
| GrossWeightValue | 5.3 |
| Materials, Wetted | Consult Factory |
| Measurement Pressure Type | Gauge |
| Measurement Pressure, Max | 1 inH₂O |
| Measurement Pressure, Min | 0.2 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 |
| Operating Temperature, Max | 110 °F |
| Operating Temperature, Min | -30 °F |
| Process Connection Size | 1/8 in |
| Process Connection Type | NPT Female |
| Proof Pressure | Up to 10 psi |
| Repeatability | ± 1% |
| Series ID | Series-1630 |
| 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 |
| Switch Rating | 15 A @ 120-480 Vac, 1/8 HP @ 125 Vac, 1/4 HP @ 250 Vac |
| Switch Type | SPDT NO/NC, Selectable |
| Weight | 1.5 kg |
| Country of Origin | United States |
| See All Specs | |
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Show Ratings & Reviews
Rated 5 out of
5
by
Timothy B from
Product came in like a wrecking ball
received item in a timely manner, device did exactly what i was suppose too and was a direct replacement. appreciate the attentiveness in getting this order out and situated.
Date published: 2025-11-17
Rated 5 out of
5
by
John ASI Thermal from
Good Product
Works well for our dryer controls. We have used this product consistently
Date published: 2025-11-13
Rated 5 out of
5
by
Matt1983 from
1638-0 press sw
quick feed back, acceptable delivery times. will use again
Date published: 2025-08-20
Rated 3 out of
5
by
Bison from
Disappointed
Dwyer used to be fast and easy to deal with. Now it seems you can hardly get ahold of anyone without a hassle. Very bad communication when it comes to orders as well.
Date published: 2025-08-19