OMEGA

PSW12T-CD Vibration Resistant Switches for Class I Hazardous Locations

30 to 170 psi, fixed deadband

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PSW12 T CD Vibration Resistant Switches for Class I Hazardous Locations 13718

 OMEGA'S PSW12 offers reliability, repeatability and durability in a compact design. This switch is rack mountable and has an accessible adjustment when installed. Snap-Action Belleville spring design contributes to a long stable life and vibration resistance. An optional mounting bracket provides easy retrofit, and an optional cover lock adds security. Ranges are from 8 to 6000 psi (0.6 to 414 bar).

 
• Compact Stainless Steel Construction
• Belleville Technology for Long Life, Vibration Resistance and Stability
• Easy Field Setting and Adjustment
• SPDT Sealed Switches
ApprovalUL listed, cUL certified; Class I, Groups ABCD; Class II, Groups EFG: Class III
Storage Temperature-50°C to 95°C (-58°F to 203°F)
Process TemperatureStainless Steel Diaphragm: -17 to 160°C (0 to 320°F) Polyimide Diaphragm: -28 to 93°C (-20 to 200°F)
Ambient Temperature-50 to 80°C (-58 to 176°F). Setpoint typically shifts less than 1% of range for a 28°C (50°F) ambient temperature change.
ShockSetpoint repeats after 75 g, 10 ms duration
VibrationSetpoint repeats after 15 g, 10-2000 Hz
Enclosure300 series stainless steel
Setpoint Repeatability±1% of adjustable range
Switch OutputOne or two SPDT, factory sealed leadwires.
Mechanical Contact life10 million cycles.
Electrical Ratings5 amps @ 250 Vac, 5 amp resistive and 3 amps inductive @ 28 Vdc. Silver contacts
Enclosure300 stainless steel; NEMA-4X, -7, -9 and IP66
WeightApproximately 0.34 kg (12 oz)
Electrical Connections1/2 NPT (male) with 1.8 m (72') lead wires.
Pressure Connection1/4 NPT (Female), 316 SS
  • Thumbnail of document Data Sheet - PSW12T-CD Vibration Resistant Switches for Class I Hazardous Locations
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    Data Sheet - PSW12T-CD Vibration Resistant Switches for Class I Hazardous Locations

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  • Thumbnail of document Manual - PSW12T-CD Vibration Resistant Switches for Class I Hazardous Locations
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    Manual - PSW12T-CD Vibration Resistant Switches for Class I Hazardous Locations

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