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Vibration Resistant Switches For Class I Hazardous Locations

Original price was: $396.00.Current price is: $98.99.

Compact Stainless Steel Construction
Belleville Technology for Long Life, Vibration Resistance and Stability
Easy Field Setting and Adjustment
SPDT Sealed Switches

Switch Type

Pressure Range

Deadband Range

Features

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SKU: PSW12T-CD Categories: Pressure Measurement, Pressure Switches Tag: Omega Engineering

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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).

SPECIFICATIONS
Approval: UL 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 Temperature: Stainless 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.
Shock: Setpoint repeats after 75 g, 10 ms duration
Vibration: Setpoint repeats after 15 g, 10-2000 Hz
Enclosure: 300 series stainless steel
Setpoint Repeatability: ±1% of adjustable range
Switch Output: One or two SPDT, factory sealed leadwires.
Mechanical contact life: 10 million cycles.
Electrical Ratings: 5 amps @ 250 Vac, 5 amp resistive and 3 amps inductive @ 28 Vdc. Silver contacts
Enclosure: 300 stainless steel; NEMA-4X, -7, -9 and IP66
Weight: Approximately 0.34 kg (12 oz)
Electrical Connection: 1/2 NPT (male) with 1.8 m (72′) lead wires.
Pressure Connection: 1/4 NPT (Female), 316 SS

Switch Type	(2) 5 A SPDT, (1) 5 A SPDT
Pressure Range	30 to 170 psi, 8 to 30 psi, 200 to 700 psi, 1,000 to 3,200 psi, 2,000 to 6,000 psi, 9 to 35 psi, 50 to 150 psi
Deadband Range	5 to 15 psi, 2 to 6 psi, 40 to 90 psi, 100 to 500 psi, 400 to 800 psi
Features	NBR O-Ring, FKM O-Ring
Pressure Type	Gauge
Pressure Port Size	1/4"
Pressure Port Type	NPT Female
Deadband	Fixed