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Dwyer 1638-1 | Diaphragm Pressure Switch | 0.20-1.0 in w.c., SPDT, 15 A
With a 0.20-1.0 in w.c. range, the Dwyer 1638-1 large diaphragm pressure switch (Series 1630) offers SPDT switching rated 15 A, 120-480 VAC, through a 1/8 in NPT port. The 1638-1 includes a visible set point indicator and should be used only with air or suitable gases.
- 0.20-1.0 in w.c. range on the 1638-1
- SPDT contact, 15 A, 120-480 VAC (1638-1)
- 1/8 in NPT process connection (1638-1)
- Visible set point indicator on the 1638-1
- 1638-1 approvals: FM (general duty), UL and CSA
- Specifications
- Features
- Downloads
| Part Number | 1638-1 |
| Brand | Dwyer |
| Range | 0.20-1.0 in w.c. |
| Series | 1630 |
| Contact | SPDT |
| Electrical Rating | 15 A, 120-480 VAC |
| Process Connection | 1/8 in NPT |
| Operating Fluid | Air, non-combustible gas, non-corrosive gas |
| Operating Pressure | 10 psi |
- 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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