United Electric Pressure Switch, 100 Series Type H100 Models 15731 to 15737
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100 Series Type H100 15731-15737 Pressure Switch

Brand: United Electric Controls Ltd.
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United Electric Pressure Switch, 100 Series Type H100 Models 15731 to 15737 United Electric Pressure Switch, 100 Series Type H100 Models 15731 to 15737
The United Electric 100 Series is a cost-effective pressure and temperature 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 and compressors), inputs for annunciator panels, and fire suppression systems.
Features
  • Single Switch Output
  • Epoxy Coated and Gasketed Cast Aluminum Enclosure Type 4X
  • Tamper-Resistant Set Point “Lock”
  • Heat Trace and Freeze Protection Thermostats

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Specifications

Brand

Adjustment Type

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

Ambient Temperature Range

  • -18° to 71° C ( 0° to 160° F), Set Point Typically Shifts less than 1% of Range for a 28° C (50° F) Ambient Temperature Change

Applications

  • Fire Suppression System
  • Freeze Protection
  • Heat Tracing
  • Inputs for Annunciator Panel
  • OEM Equipment
  • Process Plants
  • Processing Equipment (Pumps, Compressors)

Approvals & Certifications

  • ATEX Directive (94/9/EC) II 1 G EEx Ia IIC T6 Tamb: -50° to 60° C (-58° to 140° F)
  • CE
  • CRN
  • CSA C22.2 No. 14, File # E42272
  • GOST-R 51330.0, 51330.1, 51330.10 & 51330.14
  • Low Voltage Directive (LVD) 73/23/EC & 93/68/EEC
  • PED: 97/23/EC
  • UL (C,US) 508

Approvals & Certifications

  • ISO 9001

Deadband, Approximate - Bottom of Range

  • Inches WC: 0.5 to 7
  • psi: 0.01 to 60 (kPa: 0.12 to 413.7, Mbar: 1.2 to 4,137)

Deadband, Approximate - Top of Range

  • Inches WC: 2 to 13
  • psi: 0.07 to 100 (kPa: 0.48 to 689.5, Mbar: 4.8 to 6,895)

Diaphragm Material

  • Buna-N

Electrical Connectors

  • 1/2" NPT Female
  • 7/8" Diameter Knockout
  • 7/8" Hole to 1/2" NPT Female Watertight Conduit Fitting
  • Common

Electrical Contacts

  • Normally Closed
  • Normally Open

Electrical Rating

  • 0.5 A Resistive, 0.03 A Inductive at 125 Vdc
  • 2 A Resistive, 1 A Inductive at 24-30 Vdc
  • 20 A at 480 Vac

Enclosure Finish

  • Epoxy Powder-Coated

Enclosure, Body Material

  • Gasketed Die Cast Aluminum

Environmental Protection

  • Intrinsically Safe
  • IP66
  • NEMA 4X

Mounting

  • Pipe
  • Side Mounting
  • Surface

Name Plate, Tag Material

  • Stainless Steel, Paper ID Tag & Wire Attachment

NPT Connection

  • 1/2" NPT Female
  • 1/4" NPT Female

O-Ring Material

  • Buna-N

Orifice Size

  • 0.72" (18.28 mm) for Clean-Out Purposes

Overpressure & Static Pressure Limits

  • Over Range Pressure - psi: 200 to 2,000 (kPa: 1,379 to 13,790, bar: 13.8 to 137.9)

Pressure Type

  • Gauge

Process Connection Material

  • Epoxy Coated Aluminum
  • Nickel-Plated Brass

Proof Pressure

  • psi: 400 to 2,500 (kPa: 2,758 to 17,290, bar: 27.6 to 172.4)

Repeatability

  • Set Point Repeatability: ± 1% of Adjustable Range

Service

  • Oxygen Service Cleaning, Alcohol Cleaning to Remove Residue from the Process Connection

Set Point - Decreasing

  • Inches WC: -50 to 50
  • kPa: 20.7 to 11,721
  • mbar: -1.2 to 117,200
  • psi: -0.018 to 1,700

Set Point - Increasing

  • Inches WC: -50 to 50
  • kPa: 20.7 to 11,721
  • mbar: -1.2 to 117,200
  • psi: -0.018 to 1,700

Shock

  • Set Point Repeats after 15 G, 10 millisecond Duration

Storage Temperature

  • -54° to 71° C ( -65° to 160° F)

Switch Type

  • One SPDT Snap-Action Switch

System Pressure

  • bar: 13.8 to 137.9
  • kPa: 1,379 to 13,790
  • psi: 200 to 2,000

Vibration

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

Documentation

Catalogs

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