Print 
Email 
H3S-1ST | Dwyer Instruments | Hazardous Locations
Differential Pressure Switch, Stainless Steel/Fluoroelastomer, 10 - 180 WC, SPDT Snap Switch, Terminal Block-UL/CSA Approved
Brand:Dwyer Instruments
MPN:H3S-1ST
SKU:H3S-1ST
List Price:
$4,434.00
Today's Price:
$2,305.68
product specifications
Contact Rating
5 A @ 125 VAC
Contact Type
SPDT
Direction
Uni-Directional
Housing Material
Stainless Steel
Housing Rating
NEMA 4X
Measurement
Inches of Water Column
Range
10 - 180 in WC
Type
Adjustable
product series specifications
Wetted Materials: See pressure chamber and diaphragm material in model chart
Temperature Limit: -4 to 220°C (-20 to 104°F), ATEX: -20 to 90°C (-4 to 194°F)
Pressure Limit: 1500 psig (103 bar)
Enclosure Rating: See ratings chart
Switch Type: SPDT or DPDT snap switch
Electrical Rating: 5A @ 125/250 VAC (V~), 30 VDC (V ). MV option: 1A @ 125 VAC (V~); 1A res., .5A ind. @ 30 VDC (V )
Electrical Connections: See model chart
Conduit Connection: 3/4" female NPT
Process Connection: 1/8" female NPT
Mounting Orientation: Vertical
Set Point Adjustment: Internal screw
Weight: 4 lb, 2 oz (2 kg)
Deadband: Approximately 5% of range
product series features
- One or two single pole
- Set-points up to 200 psid
- Suitable for hazardous locations
- Weatherproof housings
more information & related documents
Series Description
The Dwyer H3 Series adjustable differential pressure switches actuate one or two single pole, double throw (SPDT) snap switches in response to increasing or decreasing pressure of compatible gases or liquids. Four field adjustable operating ranges are available allowing set-points up to 200 psid. All models are suitable for hazardous locations and also include weatherproof housings as detailed in the chart below. Read and understand instructions completely before proceeding with installation or operation.
Kele Description
XPRF DPRES, SS, 10-180IN WC, SPDT, TERM BLK UL/CSA
Manufacturer
Dwyer Instruments
Related Documents
H3 Data Sheet English 
