Dwyer 1950-20-2F Explosion-Proof Differential Pressure Switch (4.0-20" w.c.)

Description

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Dwyer 1950-20-2F Explosion-Proof Differential Pressure Switch (4.0-20" w.c.)
Model:
1950-20-2F
| Order No:
1950-20-2F
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.
Brand:
Dwyer
Model:
1950-20-2F
Order No:
1950-20-2F
Condition:
NEW
Description
Dwyer 1950-20-2F Explosion-Proof Differential Pressure Switch (4.0-20" w.c.)
Dwyer 1950-20-2F Explosion-proof Differential Pressure Switch, range 4-20
Differential pressure switch, range 4-20" w.c., approx. deadband @ min. set point 0.40, approx. deadband @ max. set point 0.60.
Model 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" w.c. (7.5 to 5 kPa) and from .5 to 60 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 weatherproof 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
Included
Dwyer 1950-20-2F Explosion-Proof Differential Pressure Switch (4.0-20" w.c.)
Specifications
Service
Air and Non-Combustible, Compatible Gases
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
Pressure Limits
Continuous: 1950's - 45 in 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)
Enclosure Rating
NEMA 3 (IP54), NEMA 7 & 9
Switch Type
Single-Pole Double-Throw (SPDT)
Electrical Rating
15 A @, 125, 250, 480 VAC, 60 Hz
Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz
Electrical Connections
3 Screw Types: Common, Normally Open and Normally Closed
Process Connections
1/8" Female NPT
Mounting Orientation
Diaphragm in Vertical Position
Set Point Adjustment
Screw Type On Top of Housing
Weight
3.25 Ib (1.5 kg)
1950-02 Model: 4.4 lb (2 kg)
Agency Approvals
CE, CSA, FM, UL
Terms & Conditions
Item Condition:
Unless specified otherwise all products listed are Brand New in the original factory packaging and include a full factory warranty.
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Sales Tax:
We are required to charge sales tax in North Carolina
Return Policy:
If for any reason you are not 100% satisfied with a product you receive from us, you may return the regular stock product within 30 days from the time of receipt, for a full refund or exchange of the product you purchased (less any shipping costs). Within this time, products may be returned; freight prepaid and must be in their original packaging and in resalable condition.
Shipping errors, missing items or damages must be reported to us immediately (damages should be accompanied by a signed bill of lading acknowledging the damage). Items returned will be inspected for damage or misuse at which time they may be subject to restocking fees, other fees or refused, prior to the issuance of any credit.