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PSW-681-Series
OEM Mechanical Pressure Switch for Low Pressure and Vacuum
Models In Stock
- 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-Series
From
$
202.82
Models In Stock
Product Overview
- Control Output SPST Relay
- Cycling < 20 cycles/min
- Deadband Type Fixed
- Decreasing Pressure, Max -6.8 inHg
- Decreasing Pressure, Min -100 inHg
- Electrical Connection Pigtail Leads
- Height 2.25 in
- Increasing Pressure, Max -5.4 inHg
- Increasing Pressure, Min -100 inHg
- Insulation PVC
- Length 2.3 in
- Materials, Wetted 316 Stainless Steel, Aluminum, Buna-N (NBR), Methacrylate Ester
- Pressure, Max 200 inH₂O
- Pressure, Min 2.75 inH₂O
- Pressure Type Compound Gauge
- Process Connection Size 1/8 in
- Process Connection Type NPT Male
- Process Temperature, Max 90 °C
- Process Temperature, Min -55 °C
- Process Temperature Note -55 to 90°C (-67 to 194°F); a setpoint change of up to 2% of sensor capacity can be anticipated when switch is used either below -25°C (-13°F) or above 50°C (122°F)
- Proof Pressure Up to 20 psi
- Setpoint Repeatability ± 0.8 inH20
- Switch Single
- Switch Type SPST
- System Pressure, Max 20 psi
- Weight 7.8 oz
- Wire Gauge 20 AWG
- Wiring/Connector Table Red = N/C, White = N/O, Black = Common
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)
