United Electric Temperature Switch, 55 Series Type E55 Models L24HT & R25HT
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E55-L24HT

Series: 55 Series Type E55 L24HT-R25HT Temperature Switch Brand: United Electric Controls Ltd
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United Electric Temperature Switch, 55 Series Type E55 Models L24HT & R25HT

Specifications

Brand

Adjustment Type

  • Knob

Ambient Temperature Range

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

Applications

  • Food Service Appliances
  • Heat Tracing
  • Oven Control

Approvals & Certifications

  • CE
  • CSA C22.2 No. 24, File LR7814
  • ISO 9001
  • Low Voltage Directive (LVD) 2006/95/EC
  • UL 873, File E10667
  • UR

Bulb Material

  • Copper
  • Stainless Steel

Capillary Length

  • 10 ft (3 m)

Deadband

  • Temperature Deadband: Typically 1 % of Range Under Laboratory Conditions (21.11° C (70° F) Circulating Bath at Rate of -17.5° C (0.5° F) Per Minute Change)

Electrical Connectors

  • 1/2" NPT Female

Electrical Contacts

  • Gold Contacts, 1 A at 125 Vac Resistive
  • Normally Closed
  • Normally Open

Electrical Rating

  • 20 A 125/250/480 Vac Resistive
  • Close Deadband, 5 A at 125/250 Vac Resistive
  • External Manual Reset, 15 A at 125/250/480 Vac Resistive

Enclosure, Body Details

  • Skeleton, Open Frame Construction

Enclosure, Body Material

  • Die Cast Aluminum
  • Epoxy Powder-Coated with Stainless Steel
  • Gasketed Adjustment Cover

Environmental Protection

  • IP66
  • NEMA 4X

Fill Material

  • Temperature Fill: Non-Toxic Oil

Mounting

  • Panel
  • Surface

Name Plate, Tag Material

  • Stainless Steel, Paper ID Tag & Wire Attachment

NPT Connection

  • 1/2" NPT Female
  • 3/4" NPT

Output Function

  • Normally Closed
  • Normally Open

Process Connection Material

  • 304 Stainless Steel
  • Brass

Repeatability

  • Set Point Repeatability: ± 1 % of Adjustable Range

Set Point - Decreasing

  • -90° to 343.3° C (-130° to 650° F)

Set Point - Increasing

  • -90° to 343.3° C (-130° to 650° F)

Shock

  • Set Point Repeats after 15 G, 10 ms Duration

Storage Temperature

  • -54° to 71° C (-65° to 160° F)

Switch Type

  • Dual Switch may be separated up to 100 % of Range
  • One or Two SPDT

Temperature Range

  • Maximum

Thermowell

  • 316 Stainless Steel
  • Brass

Vibration

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

Documentation

Data Sheets

Catalogs

View Product Series

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