Dwyer SA1111E-A4-K1 Weatherproof Explosion-Proof Pressure Switches, 3000 psi, 5% Deadband (Gauge, 150 psi, NPT Female, 1/4 in, Hazardous Location Rated, NEMA Type 4X, NEMA Type 7, NEMA Type 9)

Weight: 3.5 lb

Deadband: 4 to 75 psi

Compliance: ATEX, CE, CSA, UL

Switch Note: Snap action switch rated 15 A @ 125/250/480 VAC, 1/8 HP @ 125 VAC, 1/4 HP @250 VAC, 1/2 A @ 125 VDC resistive, 1/4 A @ 250 VDC resistive

Switch Type: SPDT Snap

Pressure Type: Gauge

Pressure, Max: 150 psi

Pressure, Min: 10 psi

Switch Rating: 15 A @ 125/250/480 Vac, 1/8 hp @ 125 Vac, 1/4 hp @250 Vac, 1/2 A @ 125 Vdc, 1/4 A @ 250 Vdc

Pressure Limits: Up to 1200 psi

Enclosure Ratings: Hazardous Location Rated, NEMA Type 4X, NEMA Type 7, NEMA Type 9

Materials, Wetted: Aluminum, Buna-N (NBR)

Mounting Orientation: 20° Off Vertical

Set Point Adjustment: Internal Thumbwheel or Nut

Electrical Connection: 3/4 in NPT female Conduit with Screw Terminal block

Enclosure Ratings Note: Weatherproof and Explosion-proof. Listed with UL and CSA for Class I, Groups B, C and D; Class II Groups E, F, and G. ATEX Compliant 2813 II 2 G Ex d IIC T6 Gb Process Temperature 75°C. Weatherproof UL Rated Type 4. Meets NEMA 4X (IP66). EC-Type Certificate KEMA 04ATEX2186 X ATEX Standards: EN 60079-0:2009; EN 60079-1:2007 IECEx Certified for Ex d IIC T6 Gb IEC Standards: IEC 60079-0:2007; IEC 60079-1:2007 IECEx Certificate of Conformity: IECEx DEK 11.0095X

Process Connection Size: 1/4 in

Process Connection Type: NPT Female

Process Temperature, Max: 167 °F

Process Temperature, Min: -4 °F

Operating Temperature, Max: 180 °F

Operating Temperature, Min: -30 °F

Material Construction Option: Aluminum

material-construction-option: Aluminum

Datasheet