OEM Mechanical Pressure Switch for Low Pressure and Vacuum
-134 to 395 inH2O, fixed deadband
Volume discounts available
Volume Discount Schedule
| Quantity | Price each |
|---|---|
| 1-9 | $155.56 |
| 10-24 | $147.78 |
| 25-49 | $144.67 |
| 50-99 | $138.45 |
| 100-199 | $135.34 |
| 200+ | $132.23 |
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- Compound Range Covers Vacuum and Pressure in One Unit
- Low Inch of Water Ranges
- Silver Switch Contacts Rated for 5 Amps @ 250 Vac
- 1 Amp, Gold-Plated Contacts for TTL or Dry Contacts
PSW-681 Model Options
View all modelsEdit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.
*Highlighted options are not compatible. Please select a different combination.
Switch Type
Pressure Range
Pressure Type
Pressure Port Size
Pressure Port Type
Deadband
- Contact Blocks 1 Amp
- Maximum Ambient Temperature 90 {C} (194 {F})
- Minimum Ambient Temperature -55 {C} (-67 {F})
- repeatability ±0.8 inH2O
SPECIFICATIONS
Process Temp: -55 to 90°C (-67 to 194°F) A setpoint change of up to 2% of sensor capacity may be anticipated when switch is used either below -25°C (-13°F) or above 50°C (122°F)
Repeatability: ±0.8 inH2O
Cycling: Not to exceed 20 CPM
Warranty: 3 year/1 million cycles
Proof Pressure/Vacuum: ±553.6 inH2O (±20 psi)
Wetted Parts: Buna-N, 316 Stainless Steel, zinc alloy with chromate finish, Loctite #271 sealing compound
Dimensions: 58.4 D x 57.2 mm H (2.3 D x 2.25' H)
Pressure Port: 1/8-27 NPT male
Electrical Connection: 300 mm (12') pigtail leads 20 AWG, polyvinyl insulated
Weight: 221 g (7.8 oz)
Process Temp: -55 to 90°C (-67 to 194°F) A setpoint change of up to 2% of sensor capacity may be anticipated when switch is used either below -25°C (-13°F) or above 50°C (122°F)
Repeatability: ±0.8 inH2O
Cycling: Not to exceed 20 CPM
Warranty: 3 year/1 million cycles
Proof Pressure/Vacuum: ±553.6 inH2O (±20 psi)
Wetted Parts: Buna-N, 316 Stainless Steel, zinc alloy with chromate finish, Loctite #271 sealing compound
Dimensions: 58.4 D x 57.2 mm H (2.3 D x 2.25' H)
Pressure Port: 1/8-27 NPT male
Electrical Connection: 300 mm (12') pigtail leads 20 AWG, polyvinyl insulated
Weight: 221 g (7.8 oz)
