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About Pressure Switches
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Pressure and Vacuum Switches
Because these switches work with both positive and negative (vacuum) pressures, you can use them in applications that span both. For example, these switches can turn on a light when they reach the setpoint to indicate which pressure is flowing. They’re also often used to trigger automated controls and activate alarms. These switches are single pole, double throw (SPDT) and can either turn one circuit from off to on (normally open) or from on to off (normally closed).
NEMA 4X and IP66 rated, they’re dust tight and protected from washdowns and corrosion. All are UL and C-UL listed, CSA and CSA-US certified, and CE marked, so they meet U.S., Canadian, and European safety standards.
Setpoint | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pressure, psi | Vacuum, in. of Hg | Approximate Difference Between Setpoint and Reset Point, psi | Maximum Continuous Pressure, psi | Maximum Short-Term Pressure, psi | Accuracy | Maximum Switching Current | Process Temp. Range, °F | Connection Material | For Use With | Environmental Rating | Each | |
Screw Terminals | ||||||||||||
1/4 NPT Female Pipe Connection | ||||||||||||
| 0-15 | 30-0 | 1.5 | 15 | 250 | ±1% | 15 A @ 125 V AC 15 A @ 250 V AC 15 A @ 480 V AC 6 A @ 30 V DC 500 mA @ 125 V DC 250 mA @ 250 V DC | 20° to 300° | 316 Stainless Steel | Air, Diesel Fuel, Gasoline, Hydraulic Fluid, Water | IP66, NEMA 4X | 3871N11 | 0000000 |
| 0-30 | 30-0 | 2.25 | 30 | 250 | ±1% | 15 A @ 125 V AC 15 A @ 250 V AC 15 A @ 480 V AC 6 A @ 30 V DC 500 mA @ 125 V DC 250 mA @ 250 V DC | 20° to 300° | 316 Stainless Steel | Air, Diesel Fuel, Gasoline, Hydraulic Fluid, Water | IP66, NEMA 4X | 3871N12 | 000000 |
| 0-60 | 30-0 | 4 | 60 | 250 | ±1% | 15 A @ 125 V AC 15 A @ 250 V AC 15 A @ 480 V AC 6 A @ 30 V DC 500 mA @ 125 V DC 250 mA @ 250 V DC | 20° to 300° | 316 Stainless Steel | Air, Diesel Fuel, Gasoline, Hydraulic Fluid, Water | IP66, NEMA 4X | 3871N13 | 000000 |