Set Points from .03 to 20 in w.c., Explosion-proof and Weatherproof
Explosion-proof Differential Pressure Switch applies to HVAC, processes, and all-weather. Used with air or compatible gases. Applications with hazardous atmospheres.
 
Features
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	Explosion-proof and weatherproof housing provides device protection for outdoor use or harsh environment operation 
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	External set point screw provides easy access that simplifies making adjustments without opening or disassembling enclosure 
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	Easily accessible electrical connection simplifies the installation 
Product Applications
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	HVAC applications 
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	Process applications 
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	All-weather applications 
Specifications
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	Service: Air and non-combustible, compatible gases. 
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	Wetted Materials: Consult factory. 
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	Temperature Limits: -40 to 140°F (-40 to 60°C); 0 to 140°F (-17.8 to 60°C)for 1950P-8, 15, 25, and 50. -30 to 130°F (-34.4 to 54.4°C) for 1950-02. 
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	Pressure Limits: Continuous: 1950's - 45" w.c. (0.11 bar); 1950P's - 35 psi (2.41 bar); 1950P-50 only - 70 psi (4.83 bar). Surge: 1950's - 10 psi (0.69 bar); 1950P's - 50 psi (3.45 bar); 1950P-50 only - 90 psi (6.21 bar). 
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	Enclosure Rating: NEMA 3 (IP54), NEMA 7 and 9. 
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	Switch Type: Single-pole double-throw (SPDT). 
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	Electrical Rating: 15 A @ 125, 250, 480 VAC, 60 Hz. Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz. 
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	Electrical Connections: 3 screw type, common, normally open and normally closed. 
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	Process Connections: 1/8" female NPT. 
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	Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations. 
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	Set Point Adjustment: Screw type on top of housing. 
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	Weight: 3.25 lb (1.5 kg); 1950-02 model 4.4 lb (2 kg). 
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	Agency Approvals: CE, CSA, FM, UL.