United Electric Differential Pressure Switch, Type H100K Model 54
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H100K Model 54X Pressure Switch

Brand: United Electric Controls Ltd
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The H100K is a cost-effective pressure differential switch for process plants and OEM equipment. 

The rugged, one piece enclosure features a slanted cover for wiring accessibility. A wide variety of microswitch and process-connection options make this versatile series ideal for applications requiring a rugged weather-proof mechanical switch. 

Typical applications that utilize the 100 Series are heat tracing, freeze protection, processing equipment (pumps, compressors), inputs for annunciator panels, and fire suppression systems.

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Specifications

Brand

Adjustment Type

  • Factory Set (Pre-Set)
  • Field Adjustable

Ambient Temperature Range

  • -40° to 71° C (-40° to 160° F)

Approvals & Certifications

  • ATEX
  • CE
  • CSA
  • GOST-R
  • LVD
  • PED
  • UL

Deadband, Approximate

  • bar: 0.00007 to 1.03
  • kPa: 0.007 to 103.42
  • psig: 0.001 to 15

Diaphragm Material

  • Buna-N
  • Viton

Electrical Connectors

  • 1/2” NPT Female, Two 7/8” Diameter Knockouts
  • 7/8” Hole to 1/2” NPT Female Watertight Conduit Fitting

Electrical Rating

  • 1 A 125 Vac Resistive
  • 10 A, 125 Vdc Resistive, Deadband & Min. Set Point Will Increase
  • 15 A 125/250 Vac Resistive
  • 15 A 125/250/480 Vac Resistive, 24-30 Vdc, 2 A Resistive & 1 A Inductive, 125 Vdc, 0.5 A Resistive, 0.03 Inductive
  • 15 A, 125/250 Vac Resistive, Temperatures up to 121° C (250° F)
  • 15 A, 125/250/480 Vac Resistive, Latches on Rise Only
  • 20 A, 125/250/480 Vac Resistive
  • 5 A at 125/250 Vac Resistive

Enclosure, Body Material

  • Die Cast Aluminum, Epoxy Coated

Environmental Protection

  • IP66
  • NEMA 4X / IP66

NPT Connection

  • 1/8” NPT Female

O-Ring Material

  • Buna-N
  • Viton

Process Connection Material

  • Epoxy Coated Aluminum

Set Point - Decreasing

  • bar: 0.1 to 34.5
  • Inches WC: 0.2 to 200
  • kPa: 13.8 to 3,447
  • mbar: 0.5 to 497.8
  • psi: 2 to 500

Set Point - Increasing

  • bar: 0.1 to 34.5
  • Inches WC: 0.2 to 200
  • kPa: 13.8 to 3,447
  • mbar: 0.5 to 497.8
  • psi: 2 to 500

Standard Features

  • Tamper-Resistant Set Point ”Lock”

Switch Type

  • SPDT

System Pressure

  • bar: -1 to 82.7
  • kPa: 101.4 to 8,274
  • psi: 14.7 to 1,200

Documentation

Data Sheets

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