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Call us at 1-888-826-6342

Call us at 1-888-826-6342

OEM Mechanical Pressure Switch for Low Pressure and Vacuum

-134 to 395 inH2O, fixed deadband
Warranty
  • RoHS Icon
  • CE Approved
  • UKCA

$182.46

Item# PSW-681

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-24 $182.46
25-49 $173.34
50-99 $169.69
100-199 $162.39
200+ $158.74

In stock

Lead Time (If not in stock): 2 weeks
-134 to 395 inH2O, fixed deadband PSW-681 PSW-681
  • 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

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Edit 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)
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