Dwyer Photohelic Gauge Pressure Switch, Series AT3A3000
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AT3A3020-120VAC-XXLT-AO2XT2

Series: Series AT3A3000 ATEX/IECEx Approved Photohelic Switch/Gauge Brand: Dwyer Instruments, LLC
Price
$417.00 CAD
Stock
50+ In Stock
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  • Pressure Range - Inches WC: 0 to 20
  • Input - 120 Vac
  • Pressure Application - Standard
  • Temperature Options - Low Temperature
  • Cover - Glass Top Cover
  • Process Connection - 1/8” Female NPT Stainless Steel Port
  • Overpressure Plug - None Required

Specifications

Brand

Accuracy

  • ± 2 % of Full Scale at 21.1° C (70° F)
  • ± 3 % on -0
  • ± 4 % on -00 Models

Adjustment Type

  • Adjustable Knobs on Photohelicc® Gage Face Behind Enclosure Cover

Approvals & Certifications

  • IECEx
  • ATEX

Electrical Connectors

  • 1/2" NPT Female
  • Screw Terminal

Electrical Rating

  • 10 A at 120/240 Vac
  • 10 A at 28 Vdc

Enclosure Finish

  • Texture Epoxy Coat RAL7038

Enclosure, Body Material

  • Aluminum

Environmental Protection

  • IP66

Media

  • Air & Non-Combustible, Compatible Gases

NPT Connection

  • 1/8" Female NPT Brass (SS Optional)

Power Requirement

  • 120 Vac, 50/60 Hz
  • 240 Vac & 24 Vac optional

Repeatability

  • ± 1 % of Full Scale

Sensor Orientation

  • Diaphragm in Vertical Position

Set Point - Decreasing

  • inH₂O: 0 to 150

Set Point - Increasing

  • inH₂O: 0 to 150

Size

  • Dial: 4" (101.6 mm)

Switch Type

  • Each Set Point Has 2 Form C Relays (DPDT)

System Pressure

  • bar: 5.5
  • kPa: 550
  • psig: 80

Temperature Range

  • -6.7° to 48.9° C (20° to 120° F)
  • Case: -60° to 60° C (-76° to 140° F)

Documentation

Data Sheets

Approvals

Catalogs

Manuals

View Product Series

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