H3S-1ST-MV | Dwyer Instruments | Hazardous Locations

Differential Pressure Switch, Stainless Steel/Fluoroelastomer, 10 - 180" WC, SPDT Snap Switch, Terminal Block-UL/CSA Approved, Gold Contact Switch

Brand:Dwyer Instruments

MPN:H3S-1ST-MV

SKU:H3S-1ST-MV

This item has been discontinued and is no longer available for purchase.
Need assistance? Call 877.826.9045 or for replacement options.

product specifications

Measurement

Inches of Water Column

Range

10 - 180 in WC

Type

Adjustable

Housing Material

Stainless Steel

Contact Rating

5 A @ 125 VAC

Contact Type

SPDT

Direction

Uni-Directional

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 GOLD CNTCT SWTCH

Manufacturer

Dwyer Instruments