Description
Series: 1950 Explosion-Proof Differential Pressure Switch
Model: 1950-5-2F
Brand: Dwyer, USA
Description:
- Differential pressure switch, range 1.4-5.5″ w.c., approx. dead band @ min. set point 0.30, approx. dead band @ max. set point 0.40.
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″ 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 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. Consult factory for other position orientations.
- 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.
Product Applications:
- HVAC applications
- Process applications
- All-weather applications
