Dwyer Series 1950 Explosion Proof Differential Pressure Switch

Product Details:

Minimum Order Quantity 3 Piece

Brand DWYER USA

Media Type Air And Non-Combustible,Compatible Gases.

Contact System Type Single-Pole Double-Throw (SPDT).

Electrical Connection 3 Screw Type,Common,Normally Open And Normally Closed.

Model Name/Number Dwyer Series 1950 Explosion Proof Differential Pressure Switch

Power/Voltage 15 A @ 125,250,480 VAC,60 Hz. Resistive 1/8 HP @ 125 VAC,1/4 HP @ 250 VAC,60 Hz.

Weight 3.25 lb (1.5 kg); 1950-02 Model 4.4 lb (2 kg).

Mounting Type Diaphragm in Vertical Position.Consult Factory For Other Position Orientations.

Minimum Order Quantity 3 NOS

Country of Origin Made in India

Dwyer Series 1950 Explosion Proof Differential Pressure Switch

Set Points from .03 to 20 in w.c., Explosion-Proof And Weatherproof

Series 1950 Explosion-Proof Differential Pressure Switch Combines The Best Features Of The Popular Dwyer® Series 1900 Pressure Switch With an Integral Explosion-Proof And Weatherproof Housing, Making it An Exceptional Value For Either Application. It is CE, UL and CSA listed, FM Approved For use in Class I, Div 1, Groups C and D, Class II Groups E, F, and G and Class III hazardous atmospheres (NEMA 7 & 9), Raintight NEMA 3 (IP54). Weatherproof features include a drain plug and O-ring seal in cover. Electrical connections are easily made by removing front cover. For convenience the set point adjustment screw is located on the outside of the housing. Twelve models offer set points from .03 to 20 in w.c. (0.0075 to 5 kPa) and from .5 to 50 psi (0.035 to 3.5 bar). The unit is very light and compact — about half the weight and bulk of other Explosion-Proof or Weather-Proof Switches with Separate Enclosures.

CAUTION: For Use Only With Air or Compatible Gases. Applications With Hazardous Atmospheres and a single Positive Pressure May Require Special Venting.

PRODUCT APPLICATIONS

HVAC Applications

Process Applications

All-Weather Applications

MODELS & ORDERING

Model Description

1950-0-2F-Range .15-.50" w.c., approx. Deadband @ min. set point 0.10, approx. deadband @ max. set point 0.15.

1950-00-2F-Range .07-.15" w.c., approx. deadband @ min. set point 0.04, approx. deadband @ max. set point 0.05.

1950-02-2S-Range .03-.10" w.c., approx. deadband @ min. set point 0.025, approx. deadband @ max. set point 0.05.

1950-1-2F-Range .4-1.6" w.c., approx. deadband @ min. set point 0.15, approx. deadband @ max. set point 0.20.

1950-10-2F-Range 3-11" w.c., approx. deadband @ min. set point 0.40, approx. deadband @ max. set point 0.50.

1950-20-2F-Range 4-20" w.c., approx. deadband @ min. set point 0.40, approx. deadband @ max. set point 0.60.

1950-5-2F-Range 1.4-5.5" w.c., approx. deadband @ min. set point 0.30, approx. deadband @ max. set point 0.40.

1950P-15-2F-Range 3-15 psid, approx. deadband @ min. set point 0.9, approx. deadband @ max. set point 0.9.

1950P-2-2F-Range-0.5-2 psid, approx. deadband @ min. set point 0.3, approx. deadband @ max. set point 0.3.

1950P-25-2F-Range 4-25 psid, approx. deadband @ min. set point 0.7, approx. deadband @ max. set point 0.7.

1950P-50-2F-Range 15-50 psid, approx. deadband @ min. set point 1.0, approx. deadband @ max. set point 1.5.

1950P-8-2F-Range 1.5-8 psid, approx. deadband @ min. set point 1.0, approx. deadband @ max. set point 1.0.

FEATURES

Explosion-Proof and Weatherproof Housing Provides Device Protection For Outdoor Use or Harsh Environment Operation

External Set Point Screw Provides Easy Access That Simplifies Making Adjustments Without Opening or Disassembling Enclosure

Easily Accessible Electrical Connection Simplifies The Installation

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Mr D.P.SHARMA

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