




Dwyer Instruments 1638-2 | Diaphragm Pressure Switch | 1.0-3.0" w.c. | SPDT | 15A, 120-480 VAC | 1/8" NPT
Our most precise conventional pressure switch, the Series 1630 Large Diaphragm Pressure Switch, offers the highest level of dependability. For added convenience, it also includes a visible set point indicator. FM certified for general duty, UL and CSA listed. Most small electrical loads can be handled by a 15 amp electrical capacity. Only use with suitable gases or air.

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- Specifications
- Features
- Downloads
Ambiant temperature | -30-110 °F |
Approvals | CSA, FM, UL |
Connection | Electrical: Screw Terminals |
Connection | Process: 1/8 NPT Female |
Gross weight | 0 lbs |
Net weight | 3.1875 lbs |
Pressure Range | 10-25 Bar |
PRESSURE | Gauge Proof: 500 psig |
Series | Family: Dwyer Instruments Pressure Switches, 1630 Series |
Series | Product: 1630 |
Type | Contact: SPDT |
- An easily observable set point indicator makes troubleshooting and operation simpler.
- Low range precision and precise control are provided by a large diaphragm.
- Most minor electrical loads supporting a wider range of HVAC and process applications can be supported by current loads of up to 15 amps without the requirement for additional relays and components.
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