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Dwyer 1638-2 | Diaphragm Pressure Switch | 1.0-3.0 in w.c., SPDT, 15 A
The Dwyer 1638-2 is a Series 1630 large diaphragm pressure switch with a 1.0-3.0 in w.c. range, an SPDT contact rated 15 A at 120-480 VAC and a 1/8 in NPT process connection. The 1638-2 carries a visible set point indicator and is for use with air or compatible gases.
- 1.0-3.0 in w.c. range on the 1638-2
- SPDT contact, 15 A, 120-480 VAC (1638-2)
- 1/8 in NPT process connection (1638-2)
- Visible set point indicator on the 1638-2
- 1638-2 approvals: FM (general duty), UL and CSA
- Specifications
- Features
- Downloads
| Part Number | 1638-2 |
| Brand | Dwyer |
| Range | 1.0-3.0 in w.c. |
| Series | 1630 |
| Contact | SPDT |
| Electrical Rating | 15 A, 120-480 VAC |
| Net Weight | 3.19 lb |
| Process Connection Type | 1/8 NPT female |
| Electrical Connection | Screw terminals |
| Ambient Temperature | -30 to 110 °F |
| Approvals | CSA, FM, UL |
- 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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