Dwyer 1950-20-2F Explosion-Proof Differential Pressure Switch, Weatherproof, 0.03-20 inH2O (Differential, 20 inH₂O, NPT Female, 1/8 in, IP54, NEMA Type 3, NEMA Type 7, NEMA Type 9)

Weight: 1.5 kg

Deadband: 0.4 to 0.6 inH2O

Compliance: CE, CSA, FM, UL

Switch Note: Mica silver (STD) and phenolic silver: 15A @ 125, 250, 480 VAC, 60Hz; Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC; Phenolic gold: 1A 125, VAC, 60Hz

Switch Type: SPDT NO/NC, Selectable

Pressure Type: Differential

Pressure, Max: 20 inH₂O

Pressure, Min: 4 inH₂O

Switch Rating: Mica silver (STD) and phenolic silver: 15A @ 125, 250, 480 Vac, 1/8 HP @ 125 Vac, 1/4 HP @ 250 Vac; Phenolic gold: 1A @ 125 Vac

Proof Pressure: Up to 45 inH2O

Enclosure Ratings: IP54, NEMA Type 3, NEMA Type 7, NEMA Type 9

Materials, Wetted: Consult Factory

Media Compatibility: Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases

Mounting Orientation: Vertical Diaphragm

Set Point Adjustment: External Screw

Electrical Connection: Screw Terminal

Process Connection Size: 1/8 in

Process Connection Type: NPT Female

Operating Temperature, Max: 140 °F

Operating Temperature, Min: -40 °F

Datasheet