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Instantly add the Series 1620 Single and Dual Pressure Switch and 50,000+ more product series to your store or catalog  
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Dwyer Pressure Switch, Series 1620

Series 1620 Single and Dual Pressure Switch

Brand: Dwyer Instruments, LLC
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On the Series 1620 our old faithful switch design is still best where highest precision combined with diaphragm sealed leak proof construction and mounting simplicity are required.

Model 1626 and 1627 differential pressure switches are identical in design and construction except that Model 1626 has a single electric switch and Model 1627 has dual electric switches. Model 1627 can therefore provide dual control when required. 

It can be set to open or close two independent electrical circuits, each preset for its own actuation pressure. Both units have diaphragm sealed motion take outs providing maximum protection against leakage.  

Caution: FOR USE ONLY WITH AIR OR COMPATIBLE GASES.
Features
  • Single or dual action switches support consistent designs with similar models, but with the ability to match specific application needs
  • Sealed diaphragm provides leak-proof construction for high accuracy and precision control

1 - 12 of 864 Part Numbers
1626-1
1626-1
DWYER Single and Dual Pressure Switch, Range .15-1.5" W.C., .10 Min. Deadband, .20 Max. Deadband, 0.5 Adjustable Differential Between Set Points.
  • Output - SPDT
  • Pressure Range - Inches WC: 0.15 to 1.5
  • Tag - None
  • Switch Type - Standard
  • Conduit - Standard
  • Adjustment Type - Field Adjustable
  • Options - None
1626-10
1626-10
DWYER Single and Dual Pressure Switch, Range 2.0-11" W.C., .25 Min. Deadband, .65 Max. Deadband, 2.3 Adjustable Differential Between Set Points.
  • Output - SPDT
  • Pressure Range - Inches WC: 2.0 to 11.0
  • Tag - None
  • Switch Type - Standard
  • Conduit - Standard
  • Adjustment Type - Field Adjustable
  • Options - None
1626-10-AT
1626-10-AT
  • Output - SPDT
  • Pressure Range - Inches WC: 2.0 to 11.0
  • Tag - Aluminum
  • Switch Type - Standard
  • Conduit - Standard
  • Adjustment Type - Field Adjustable
  • Options - None
1626-10-AT-BGAP
1626-10-AT-BGAP
  • Output - SPDT
  • Pressure Range - Inches WC: 2.0 to 11.0
  • Tag - Aluminum
  • Switch Type - B-Gap Micro Switch
  • Conduit - Standard
  • Adjustment Type - Field Adjustable
  • Options - None
1626-10-AT-BGAP-EXPL
1626-10-AT-BGAP-EXPL
  • Output - SPDT
  • Pressure Range - Inches WC: 2.0 to 11.0
  • Tag - Aluminum
  • Switch Type - B-Gap Micro Switch
  • Conduit - Standard
  • Adjustment Type - Field Adjustable
  • Options - Explosion-Proof Housing
1626-10-AT-BGAP-LC
1626-10-AT-BGAP-LC
  • Output - SPDT
  • Pressure Range - Inches WC: 2.0 to 11.0
  • Tag - Aluminum
  • Switch Type - B-Gap Micro Switch
  • Conduit - Less Conduit
  • Adjustment Type - Field Adjustable
  • Options - None
1626-10-AT-BGAP-LC-EXPL
1626-10-AT-BGAP-LC-EXPL
  • Output - SPDT
  • Pressure Range - Inches WC: 2.0 to 11.0
  • Tag - Aluminum
  • Switch Type - B-Gap Micro Switch
  • Conduit - Less Conduit
  • Adjustment Type - Field Adjustable
  • Options - Explosion-Proof Housing
1626-10-AT-BGAP-LC-PRESET
1626-10-AT-BGAP-LC-PRESET
  • Output - SPDT
  • Pressure Range - Inches WC: 2.0 to 11.0
  • Tag - Aluminum
  • Switch Type - B-Gap Micro Switch
  • Conduit - Less Conduit
  • Adjustment Type - Preset (Not Field Adjustable)
  • Options - None
1626-10-AT-BGAP-LC-PRESET-EXPL
1626-10-AT-BGAP-LC-PRESET-EXPL
  • Output - SPDT
  • Pressure Range - Inches WC: 2.0 to 11.0
  • Tag - Aluminum
  • Switch Type - B-Gap Micro Switch
  • Conduit - Less Conduit
  • Adjustment Type - Preset (Not Field Adjustable)
  • Options - Explosion-Proof Housing
1626-10-AT-BGAP-LC-PRESET-WP
1626-10-AT-BGAP-LC-PRESET-WP
  • Output - SPDT
  • Pressure Range - Inches WC: 2.0 to 11.0
  • Tag - Aluminum
  • Switch Type - B-Gap Micro Switch
  • Conduit - Less Conduit
  • Adjustment Type - Preset (Not Field Adjustable)
  • Options - Weatherproof
1626-10-AT-BGAP-LC-WP
1626-10-AT-BGAP-LC-WP
  • Output - SPDT
  • Pressure Range - Inches WC: 2.0 to 11.0
  • Tag - Aluminum
  • Switch Type - B-Gap Micro Switch
  • Conduit - Less Conduit
  • Adjustment Type - Field Adjustable
  • Options - Weatherproof
1626-10-AT-BGAP-PRESET
1626-10-AT-BGAP-PRESET
  • Output - SPDT
  • Pressure Range - Inches WC: 2.0 to 11.0
  • Tag - Aluminum
  • Switch Type - B-Gap Micro Switch
  • Conduit - Standard
  • Adjustment Type - Preset (Not Field Adjustable)
  • Options - None
1 - 12 of 864 Part Numbers

View_Details

Specifications

Brand

Adjustment Type

  • Factory Set (Pre-Set)
  • Field Adjustable

Approvals & Certifications

  • CE

Deadband, Approximate

  • Inches WC: 0.10 to 1.20

Diaphragm Material

  • Consult Factory

Electrical Connectors

  • 3 Screw Typical
  • Common

Electrical Contacts

  • Normally Closed
  • Normally Open
  • Silver

Electrical Rating

  • 15 A at 120-480 Vac, 60 Hz Resistive, 1/8 hp at 125 Vac, 1/4 hp at 250 Vac, 60 Hz

Enclosure, Body Material

  • Weatherproof

NPT Connection

  • 1/8” NPT Female

Operating Temperature

  • -34° to 54° C (-30° to 130° F)

Proof Pressure

  • bar: 0.13
  • kPa: 13.7
  • psig: 2

Repeatability

  • ± 1 % of Span

Set Point - Decreasing

  • Inches WC: 0.15 to 24

Set Point - Increasing

  • Inches WC: 0.15 to 24

Switch Type

  • SPDT

System Pressure

  • bar: 0.12
  • kPa: 12.44
  • psig: 1.8

  • Damper Positioning
  • Duct Air Control

Documentation

Approvals

Catalogs

Manuals

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