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Pressure Switches
 |  |
Style B | Style E |
The traditional pressure switch. These power equipment, activate controls or alarms, or kick-off other actions when they reach a set pressure. Larger than compact pressure switches, they're easier to wire. These switches are single pole, double throw (SPDT) and can be installed to turn one circuit from off to on (normally open) or from on to off (normally closed).
Pressure Switches
|
Style B |
Style B—Styles A-C, E-J, and L meet at least one safety standard.
NEMA 1 Enclosure Rating—NEMA 1 rated switches should only be used indoors.
Style | Pressure Set Point Range, psi | Approx. Difference Between Set Point and Reset Point, psi | Max. Continuous Pressure, psi | Max. Short-Term Pressure, psi | Accuracy | Max. Switching Current @ Voltage | Process Temp. Range, ° F | Connection Material | For Use With | Enclosure Rating | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Screw-Terminal Wire Connection | ||||||||||||||
1/2 Threaded NPT Male Pipe | ||||||||||||||
| B | 0.6 to 14.2 | 0.65 | 15 | 1,000 | ±2% | 10 amp @ 125V AC 10 amp @ 250V AC 3 amp @ 480V AC | -20 to 165 | Brass | Air, Hydraulic Fluid, Nitrogen, Oil, Water | NEMA 1 | 40925K92 | 0000000 | ||
| B | 3.5 to 82 | 4 | 90 | 1,000 | ±2% | 10 amp @ 125V AC 10 amp @ 250V AC 3 amp @ 480V AC | -20 to 165 | Brass | Air, Hydraulic Fluid, Nitrogen, Oil, Water | NEMA 1 | 40925K93 | 000000 | ||
| B | 11 to 230 | 10 | 250 | 1,000 | ±2% | 10 amp @ 125V AC 10 amp @ 250V AC 3 amp @ 480V AC | -20 to 165 | Brass | Air, Hydraulic Fluid, Nitrogen, Oil, Water | NEMA 1 | 40925K94 | 000000 | ||
| B | 29 to 472 | 16 | 500 | 1,000 | ±2% | 10 amp @ 125V AC 10 amp @ 250V AC 3 amp @ 480V AC | -20 to 165 | Aluminum | Air, Hydraulic Fluid, Nitrogen, Oil, Water | NEMA 1 | 40925K13 | 000000 | ||
Pressure Switches with Cover
|
Style E |
Switches with a cover protect against impact and keep dust off the switch.
Style E—Styles A-C, E-J, and L meet at least one safety standard.
NEMA 1 Enclosure Rating—NEMA 1 rated switches should only be used indoors.
Style | Pressure Set Point Range, psi | Approx. Difference Between Set Point and Reset Point, psi | Max. Continuous Pressure, psi | Max. Short-Term Pressure, psi | Accuracy | Max. Switching Current @ Voltage | Process Temp. Range, ° F | Connection Material | For Use With | Enclosure Rating | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Screw-Terminal Wire Connection | ||||||||||||||
1/4 Threaded NPT Male Pipe | ||||||||||||||
| E | 3 to 30 | 0.85 | 50 | 230 | ±1% | 15 amp @ 125V AC 15 amp @ 250V AC 15 amp @ 480V AC 1 amp @ 30V DC 30 mA @ 125V DC | 0 to 200 | Aluminum | Air, Hydraulic Fluid (Petroleum Based), Oil, Water | NEMA 1 | 4779K22 | 0000000 | ||
| E | 10 to 100 | 1.5 | 200 | 300 | ±1% | 15 amp @ 125V AC 15 amp @ 250V AC 15 amp @ 480V AC 1 amp @ 30V DC 30 mA @ 125V DC | 0 to 200 | Aluminum | Air, Hydraulic Fluid (Petroleum Based), Oil, Water | NEMA 1 | 4779K23 | 000000 | ||
| E | 30 to 300 | 2.5 | 400 | 500 | ±1% | 15 amp @ 125V AC 15 amp @ 250V AC 15 amp @ 480V AC 1 amp @ 30V DC 30 mA @ 125V DC | 0 to 200 | Aluminum | Air, Hydraulic Fluid (Petroleum Based), Oil, Water | NEMA 1 | 4779K24 | 000000 | ||
