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1950G Series 240 VAC Explosion- Proof Differnetial Pressure Switch

SKU: 1950G
RETAIL: 188.00
BASE PRICE: 186.00

     You Can Buy This Product Online!    



Series 1950G

240 VAC Explosion- Proof Differential Pressure Switch

Explosion-Proof, Weatherproof, Compatible with Natural Gases

The Model 1950G Explosion-Proof Switch combines the best features of the popular Dwyer® Series 1950 Pressure Switch with the benefit of natural gas compatibility. Units are rain-tight for outdoor installations, and are UL listed for use in Class I, Groups A, B, C, & D; Class II, Groups E, F, & G and Class III atmospheres, Directive 94/9/EC (ATEX) Compliant for 11 2 G EExd IIB & Hydrogen T6 and CSA & FM approved for Class I, Div 1, Groups B, C, D; Class II, Div 1, Groups E, F, G and Class III atmospheres. The 1950G is very compact, about half the weight and bulk of equivalent conventional explosion-proof switches. Easy access to the SPDT relay and power supply terminals is provided by removing the top plate of the aluminum housing. A supply voltage of 24 VDC, 120 or 240 VAC is required. A captive screw allows the cover to swing aside while remaining attached to the unit. Adjustment to the set point of the switch can be made without disassembly of the housing.




  • Service: Air and combustible, compatible gases

  • Wetted Material :Consult Factory

  • Switch Type: 1 - Form C Relay SPDT

  • AMP Rating: 10A @ 120/240 VAC, 28VDC.  resistive 50ma, 125VDC

  • HP:  1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz

  • Power Requirements: Depending on Model selected

  • Process Connection: 1/8" female NPT.

  • Enclosure Type: IP64, NEMA 3, 7 and 9



Available Series 1950G Switches

Models, Operating Ranges and Dead Bands

 Voltages: 240 VAC

Model Number

(24VDC Model)

Range, Inches W.C.

Approximate Dead Band at


Set Point


 Set Point


.07 to .15




.15 to .50




.4 to 1.6




1.4 to 5.5




3 to 11




4 to 20



NOTE: The table at the left is for 24 VDC models.

YOU can order the Voltage you want by selecting from the MODEL selection Boxes below. The proper model number will be selected.

The Only change to the model number is the voltage.

i.e. 1950G-00-B-24-NA is a 24 VDC Model

For a 120 VAC Model, the model number would be

i.e. 1950G-00-B-120-NA is a 120 VAC Model


Choose Options
Please Select 240 VAC Model 
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