Average Rating: n/a

Specs
| Item | Pressure Switch |
|---|---|
| Type | Air Compressor |
| Action | Standard |
| Factory On/Off Setting (PSI) | 215 to 250 |
| Pressure Range (PSI) | 60 to 360 |
| Differential | Adjustable |
| Differential Pressure (PSI) | 40 to 105 |
| Burst Pressure (PSI) | 870 |
| Number of Ports | 1 |
| Port Type | 1-Port 3/8" NPT (Female) |
| Actuation Type | Diaphragm |
| Phase | Single/Three |
| Contact Type | 3PST |
| Amps | 30 |
| HP @ 1 Phase - 120V | 2 |
| HP @ 1 Phase - 230V | 5 |
| HP @ 3 Phase - 230V | 7-1/2 |
| HP @ 3 Phase - 460V | 15 |
| Enclosure | NEMA 1 |
| Temp. Range (F) | -22 to 257 |
| Standards | UL/CSA/CE |
| Series | MDR3 |
| UNSPSC | 39121506 |
| Weight | 2.100000 |
| SKUs | 3FWJ1 |
Description
- For all global air compressor and water applications. Rotatable unloader valve simplifies retrofit onto compressors. Diaphragm actuated. For 1/4 to 3/8" brass adapters, see pages 4256, 4257, 4258.
- MDR3 and MDR3/0L Series
- MDR-3/OL Series combines the function of a pressure switch and magnetic starter into 1 unit. Built-in overload protection.
- All are UL Listed, CSA and CE Certified.
- 3PST Switch Rated 30A Temp. range: -22 to 257 F













