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Documents: 1950G-1-B-24-NA

Instruction Manual (English)Instruction Manual (Multilingual)Series 1950G Catalog Page 1950G More Info

1950G-1-B-24-NA | Explosion-proof differential pressure switch | range .4-1.6" w.c. | approx. deadband @ min. set point .11 | approx. deadband @ max. set point .29. | Dwyer

Explosion-proof differential pressure switch, range .4-1.6" w.c., approx. deadband @ min. set point .11, approx. deadband @ max. set point .29.

Brand: DwyerSKU: 1950G-1-B-24-NA

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Explosion-proof differential pressure switch | range .4-1.6" w.c. | approx. deadband @ min. set point .11 | approx. deadband @ max. set point .29.

Series 1950G Explosion-proof Differential Pressure Switch

Explosion-proof, Weatherproof, Compatible with Natural Gases

Series 1950G Explosion-Proof Differential Pressure Switch combines the bestfeatures of the popular Dwyer® Series 1950 Pressure Switch with the benefit of naturalgas compatibility. Units are rain-tight for outdoor installations, and are UL listed for usein Class I, Groups A, B, C, & D; Class II, Groups E, F, & G and Class III atmospheres,Directive 2014/34/EU (ATEX) Compliant for 2813 II 2G Ex db IIB+H2 T6, CSA& FM approved for Class I, Div. 1, Groups B, C, D; Class II, Div. 1, Groups E, F, G andClass III atmospheres. IECEx Ex db IIB+H2 T6 (-40°CEasy access to the SPDT relay and power supply terminals is provided by removingthe top plate of the aluminum housing. A supply voltage of 24 VDC, 120 or 240 VACis required. A captive screw allows the cover to swing aside while remaining attachedto the unit. Adjustment to the set point of the switch can be made without disassemblyof the housing.

Product Applications

Natural gas applications
Process applications
All-weather applications

Compatible with natural gas
External set point screw provides easy access that simplifies making adjustments without opening or disassembling enclosure
Easily accessible electrical connection simplifies the installation

Specifications

Series: 1950G Explosion-proof Differential Pressure Switch
Category/Type: Pressure
Type: Differential Pressure
Series: 1950G Explosion-proof Differential Pressure Switch
Service: Air and compatible combustible gases.
Wetted Materials: Consult factory.
Temperature Limits: 0 to 140°F (-17 to 60°C). Note: Set point drift may occur with ambient temperature changes.
Pressure Limits: 45" w.c. (11.2 kPa) continuous; 10 psig (68.95 kPa) surge.
Enclosure Rating: NEMA 3 (IP54); NEMA 7 and 9.
Switch Type: 1 Form C relay (SPDT).
Electrical Rating: 10 A; 120/240 VAC; 28 VDC. Resistive 50 mA; 125 VDC.
Power Requirements: 24 VDC ±10%. 120 or 240 VAC ±10% optional.
Electrical Connections: Internal terminal block.
Process Connections: 1/8" female NPT.
Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
Set Point Adjustment: Screw type on top of housing.
Weight: 2 lbs 15.7 oz (1.35 kg).
Agency Approvals: ATEX; CE; CSA; FM; IECEx; UL.