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Home >> Pressure Strain and... >> Pressure Switches >> NEMA-7 and Hazardous... >> PSW-12

Compact, Vibration Resistant Switches for Class I Hazardous Locations
PSW-12   
2 year warranty
PSW-12:Compact, Vibration Resistant Switches for Class I Hazardous Locations
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USD$15,840.00  PSW12T-AS
• Compact Stainless Steel Construction
• Belleville Technology for Long Life, Vibration Resistance and Stability
• Easy Field Setting and Adjustment
• SPDT Sealed Switches
• Strain Relief
• 1.8 m (72") Lead Wires
• Mounting Bracket For Retrofit Applications

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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


To Order (Specify Model Number)    
 Part Number   Availability   Price   Description    Qty.
 1/4 FNPT 316 SS Pressure Connection, PFA-Coated Polyimide Diaphragm, Buna-N O-Ring, 1/8" Orifice, Single 5 A SPDT Switch
 PSW12T-AS 2 Weeks   15,840.00    8-30 psi switch with PFA coated diaphragm, Buna-N O-ring and a 5 amp SPDT switch  
 PSW12T-CS 6 Weeks   16,415.00    30-170 psi switch with PFA coated diaphragm, Buna-N O-ring and a 5 amp SPDT switch  
 PSW12T-ES 6 Weeks   16,415.00    200-700 psi switch with PFA coated diaphragm, Buna-N O-ring and a 5 amp SPDT switch  
 PSW12T-GS 6 Weeks   16,415.00    1,000-3,200 psi switch with PFA coated diaphragm, Buna-N O-ring and a 5 amp SPDT switch  
 PSW12T-HS 6 Weeks   15,840.00    2,000-6,000 psi switch with PFA coated diaphragm, Buna-N O-ring and a 5 amp SPDT switch  
 1/4 FNPT 316 SS Pressure Connection and Diaphragm, FKM O-Ring, 1/8" Orifice, Single 5 A SPDT Switch
 PSW12V-AS 6 Weeks   17,920.00    9-35 psi switch with 316SS diaphragm FKM O-ring and a 5 amp SPDT switch  
 PSW12V-CS 6 Weeks   17,780.00    50-150 psi switch with 316SS diaphragm FKM O-ring and a 5 amp SPDT switch  
 PSW12V-GS 6 Weeks   17,780.00    1,000-3,200 psi switch with 316SS diaphragm FKM O-ring and a 5 amp SPDT switch  
 PSW12V-HS 6 Weeks   17,565.00    2,000-6,000 psi switch with 316SS diaphragm FKM O-ring and a 5 amp SPDT switch  
 1/4 FNPT 316 SS Pressure Connection, PFA-Coated Polyimide Diaphragm, Buna-N O-Ring, 1/8" Orifice, Dual 5 A SPDT Switch
 PSW12T-CD 6 Weeks   18,465.00    30-170 psi switch with PFA coated diaphragm and Buna-N O-ring and dual 5 amp SPDT switches  
 PSW12T-DD    Consult sales   100-370 psi switch with PFA coated diaphragm and Buna-N O-ring and dual 5 amp SPDT switches  
 PSW12T-HD    Consult sales   2,000-6,000 psi switch with PFA coated diaphragm and Buna-N O-ring and dual 5 amp SPDT switches  
 1/4 FNPT 316 SS Pressure Connection and Diaphragm, FKM O-Ring, 1/8" Orifice, Dual 5 A SPDT Switch
 PSW12V-ED    Consult sales   250-700 psi switch with FKM diaphragm and O-ring and dual 5 amp SPDT switches  
† All dollar amounts on this site are shown in US currency.

 Ordering Example: (1) PSW12T-AS 8-30 psi switch with PFA coated diaphragm, Buna-N O-ring and a 5 amp SPDT switch, USD$15,840.00

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