55 Series Type E55S Models E20BC to E23BS Temperature Switch

Brand: United Electric Controls Ltd
Does not ship to Virginia, United States

The E55 Series provides rugged, dependable temperature control for many applications. Available in single or dual output versions, with either an epoxy coated enclosure (designed to meet NEMA Type 4X) or skeleton construction, the E55 combines flexibility with compact size.

It has been used in diverse applications such as food service appliances, oven control, and heat tracing.
Features
  • Single or dual 15 A switch output 
  • Panel or surface mount 
  • External adjustment via reference dial 
  • Heat tracing models 
  • Skeleton or enclosure construction - Designed to meet NEMA Type 4X 
  • Optional external manual reset 
  • Compact size 
  • Copper or stainless steel bulb & capillary

Specifications

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
  • Low Voltage Directive (LVD) 2006/95/EC

Approvals & Certifications

  • ISO 9001

Bulb Material

  • Copper
  • Stainless Steel

Capillary Length

  • 6 feet (2 metres)

Capillary Material

  • 304 Stainless Steel
  • Copper

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 Contacts

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

Electrical Rating

  • 1 A at 125 Vac Resistive
  • 20 A 125/250/480 Vac Resistive
  • Close Deadband, 5 A at 125/250 Vac Resistive

Environmental Protection

  • IP66
  • NEMA 4X
  • Skeleton, Open Frame Construction

Fill Material

  • Temperature Fill: Non-Toxic Oil

Materials of Construction

  • Thermowell: 316 Stainless Steel
  • Union Connector & Thermowell: Brass
  • Union Connector: 304 Stainless Steel

Mounting

  • Panel
  • Surface

Name Plate, Tag Material

  • Stainless Steel, Paper ID Tag & Wire Attachment

NPT Connection

  • 1/2” NPT Female
  • 3/4” NPT

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 millisecond Duration

Storage Temperature

  • -54° to 71° C (-65° to 160° F)

Switch Type

  • SPDT

Temperature Range

  • Maximum

Vibration

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

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