| Specification |
Type: Electronic;
Number of Switch: Double Control Switch;
Structure: Power Built-in Type;
Usage: Control Switch;
Application: Home;
Explosion-proof Type: Non Explosion-proof;
Contact: Normally Open;
Contact Type: Type c Contact;
Detection Method: Retro-reflective Mode;
Brand: Zheli;
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Type: SPDT;
Explosion-proof Type: Integral Explosion-Proof;
Brand: Dwyer;
Series: 1950 Proof Differential Pressure Switch;
Operating Range: 0.15 to 0.5 in w.c.;
Electrical Rating: 15A @ 125, 250, 480 VAC; 1/8 HP @ 125 VAC; 1/4 HP;
Process Connection: 1/8" female NPT;
Temperature Limits: -40 to 140°F (-40 to 60°C);
Pressure Limits: 45 in w.c.;
Enclosure Rating: NEMA 3, 7, 9; IP54;
Mounting Orientation: Diaphragm vertical;
Weight: 3.25 lb (1.5 kg);
Diaphragm Material: Buna-N (from "F" code);
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Type: SPDT (1 Form C) Relay;
Explosion-proof Type: Integral Explosion-Proof;
Brand: Dwyer;
Series: 1950G Explosion-Proof Pressure Switch;
Operating Range: 0.07 to 0.15 in w.c.;
Power Supply: 24 VDC (±10%);
Electrical Rating: 10A @ 120/240 VAC, 28 VDC; 50 mA @ 125 VDC;
Process Connection: 1/8" female NPT;
Electrical Connection: 1/2" female NPT conduit (internal terminal block);
Service Media: Air & compatible combustible gases;
Temperature Limits: 0 to 140°F (-17 to 60°C);
Pressure Limits: 45 in w.c. (continuous); 10 psig (surge);
Enclosure Rating: NEMA 3, 7, 9; IP54;
Mounting Orientation: Diaphragm vertical;
Weight: 2 lb 15.7 oz (1.35 kg);
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Type: SPDT (1 Form C) Relay;
Explosion-proof Type: Integral Explosion-Proof;
Brand: Dwyer;
Series: 1950G Explosion-Proof Pressure Switch;
Operating Range: 0.15 to 0.5 in w.c.;
Power Supply: 240 VAC (±10%);
Electrical Rating: 10A @ 120/240 VAC, 28 VDC; 50 mA @ 125 VDC;
Process Connection: 1/8" female NPT;
Electrical Connection: 1/2" female NPT conduit (internal terminal block);
Service Media: Air & compatible combustible gases;
Temperature Limits: 0 to 140°F (-17 to 60°C);
Pressure Limits: 45 in w.c. (continuous); 10 psig (surge);
Enclosure Rating: NEMA 3, 7, 9; IP54;
Mounting Orientation: Diaphragm vertical;
Weight: 2 lb 15.7 oz (1.35 kg);
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Type: SPDT;
Explosion-proof Type: Integral Explosion-Proof;
Brand: Dwyer;
Series: 1950 Proof Differential Pressure Switch;
Operating Range: 1.4 to 5.5 in w.c.;
Electrical Rating: 15A @ 125, 250, 480 VAC; 1/8 HP @ 125 VAC; 1/4 HP;
Process Connection: 1/8" female NPT;
Temperature Limits: -40 to 140°F (-40 to 60°C);
Pressure Limits: 45 in w.c.;
Enclosure Rating: NEMA 3, 7, 9; IP54;
Mounting Orientation: Diaphragm vertical;
Weight: 3.25 lb (1.5 kg);
Diaphragm Material: Buna-N (from "F" code);
Pressure Limits (Surge): 10 psi;
Electrical Connection: Screw terminals (COM, NO, NC);
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