United Electric Pressure Switch, 400 Series Type J403 Models 442 & 443
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J403-442-M278-M405

Series: 400 Series Type J403 Models 442 & 443 Pressure Switch Brand: United Electric Controls Ltd
Price
$637.00 CAD
Stock
24 In Stock
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United Electric Pressure Switch, 400 Series Type J403 Models 442 & 443
  • Model - 442
  • Factory Set Point - No Factory Set Point
  • Measurement Range - kg/cm²
  • Agency Approvals - ATEX
  • Tag - No Tag
  • Mounting - No Mounting Kit
  • Electrical Connection - One 3/4” NPT & Two 7/8” Diameter Knockouts

Specifications

Brand

Adjustment Type

  • Captive Clamp Screws
  • Factory Set (Pre-Set)
  • Set Point Adjustment

Ambient Temperature Range

  • -40° to 71° C (-40° to 160° F), Set Point Typically Shifts less than 1 % of Range for Limits A 28° C (50° F) Ambient Temperature Change

Applications

  • Energy Generation Including Pumps
  • Industrial Gas Production
  • Pulp & Paper
  • Turbines & Compressors
  • Water & Wastewater Treatment

Approvals & Certifications

  • ATEX Ex directive (94/9/EC) II 1 G Ex ia IIC T6 Ga Tamb: -50° to 60° C (-58° to 140° F)
  • CE
  • CSA C22.2 No. 14, File # E42272
  • FM Class 3545
  • GOST-R 51330.0, 51330.1, 51330.10 & 51330.14
  • Low Voltage Directive (LVD) 2006/95/EC
  • PED: 97/23/EC
  • UL (C,US) 508
  • UR

Approvals & Certifications

  • ISO 9001

Deadband

  • Inches WC: 0.4 to 4
  • psi: 0.01 to 0.145 (kPa: 0.1 to 1.0, Mbar: 1.0 to 10)

Diaphragm Material

  • Buna-N

Electrical Connectors

  • 7/8” Hole to 1/2” NPT Female Watertight Conduit Fitting
  • One 3/4” NPT
  • Screw Terminal
  • Two 7/8” Diameter Knockouts

Electrical Contacts

  • Normally Closed
  • Normally Open

Electrical Rating

  • 15 A at 125/250/480 Vac Resistive

Enclosure Finish

  • Epoxy Powder-Coated

Enclosure, Body Material

  • Gasketed Die Cast Aluminum

Environmental Protection

  • Intrinsically Safe
  • IP66
  • NEMA 4X
  • Weathertight

Mounting

  • Hole
  • Pipe
  • Surface

Name Plate, Tag Material

  • Stainless Steel, Paper ID Tag & Wire Attachment

NPT Connection

  • 1/4” NPT Female

O-Ring Material

  • Buna-N

Overpressure & Static Pressure Limits

  • Over Range Pressure - psi: 3 (kPa: 20.7, bar: 0.2)

Process Connection Material

  • Aluminum

Proof Pressure

  • psi: 225 (kPa: 1,551, bar: 15.5)

Repeatability

  • Set Point Repeatability: ± 1 % of Full Scale Range

Set Point - Decreasing

  • bar: 0 to 0.2
  • Inches WC: 0 to 80
  • kPa: 0 to 20
  • psi: 0 to 2.9

Set Point - Increasing

  • bar: 0 to 0.2
  • Inches WC: 0 to 80
  • kPa: 0 to 20
  • psi: 0 to 2.9

Shock

  • Set Point Repeats after 15 G, 10 millisecond Duration

Storage Temperature

  • -54° to 71° C (-65° to 160° F)

Switch Type

  • Three SPDT Switch, may be separated up to 100 % of Range

System Pressure

  • bar: 0.2
  • kPa: 206.8
  • mbar: 206.8
  • psi: 3

Vibration

  • Set Point Repeats after 2.5 G, 5 to 500 Hz

Documentation

Data Sheets

Catalogs

View Product Series

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