1950-PROOF DIFFERENTIAL PRESSURE SWITCH 1900 SERIES

Description

1950-PROOF DIFFERENTIAL PRESSURE SWITCH 1900 SERIES

1950-PROOF DIFFERENTIAL PRESSURE SWITCH 1900 SERIES

Description:

1950-proof differential pressure switch 1900 series combines all the performance differential pressure switch, and then with explosion-proof or weather protective shell, making it more widely, value is also higher. It has CE, UL and CSA, FM certification, proof level for 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) . With the all-weather protective shell drain plug and O-ring seal, open the front cover can be easily wired. Setpoint can be adjusted on the outside protective shell. There are 12 models to choose from, from 0.03 “to 220” inches of water (7.5 to 5000PA) and from 0.5 to 50psi (0.035 to 3.5Bar). 1950-proof differential pressure switch is small, light weight, equivalent to half the size and weight of other proof switches.
Warning: only for air or compatible gases. When used in the case of dangerous situations and single-positive, required special ventilation.

Specifications

Service : Air and non-combustible, compatible Gases.
Wetted Materials : Consult Factory.
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 “wc (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 and 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 type, common, Normally Open and Normally Closed.
Process Connections : 1/8 “female NPT.
Mounting Orientation :. Diaphragm in Vertical position Orientations Consult Factory for other position.
Set Point Adjustment : Screw type on Top of Housing.
Weight : 3.25 lb (1.5 kg); 1950-02 Model 4.4 lb (2 kg).
Agency Approvals : CE, CSA, FM, UL.