100 Series Type B100 Temperature Switch

Brand: United Electric Controls Ltd

SIL-Certified Switch for Pressure, Vacuum, Differential Pressure & Temperature Applications.

The United Electric 100 Series is a cost-effective, SIL-certified switch for pressure, vacuum, differential pressure, and temperature applications in 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, SIL-certified switch ideal for applications requiring a rugged weather-proof device.

Typical applications that utilize the 100 Series are heat tracing, freeze protection, processing equipment (pumps, compressors), inputs for annunciator panels, and fire suppression systems.
Features
  • UL Listed, CSA Certified. Conforms to NEMA 4X & IP 65 Requirements
  • Adjustable Range
    • Model 120: -17.8° to 107.2° C (0° to 225° F)
    • Model 121: 93.3° to 218.3° C (200° to 425° F)
    • Model 13546: -9.4° to 60° C (15° to 140° F)
  • 1/2" Male NPT Brass

Specifications

Ambient Temperature Range

  • -40° to 71° C (-40° to 160° F)

Applications

  • Freeze Protection
  • Heat Tracing

Approvals & Certifications

  • ATEX Ex Tamb. = -50° to 60° C
  • CE: ATEX Directive (94/9/EC) II 1 G EEx ia IIC T6
  • CPT: Gosgortechnadzor Permit, 0ExiaIICT6, Tamb: -50° to 60° C
  • CSA
  • GOST
  • UL

Deadband

  • Typical 2 % of Range Under Laboratory Conditions (70° F Ambient Circulating Bath at Rate of 1/2° F Per Minute Change)

Electrical Connectors

  • 1/2” NPT Female

Electrical Contacts

  • Normally Closed or Normally Open

Electrical Rating

  • 1 A Inductive at 2 A Resistive, 24-30 Vdc
  • B100-13564: 20 A 125/250/480 Vac Resistive
  • DC Capability: 0.03 A Inductive at 0.5 A Resistive, 125 Vdc
  • Mode B100-120/121: 15 A 125/250/480 Vac Resistive

Enclosure, Body Material

  • Die Cast Aluminum
  • Epoxy Powder-Coated

Environmental Protection

  • IP65
  • NEMA 4X

NPT Connection

  • 1/2” NPT Male

Repeatability

  • ± 1 % of Adjustable Range

Set Point - Decreasing

  • Model 120: -17.8° to 107.2° C (0° to 225° F)
  • Model 121: 93.3° to 218.3° C (200° to 425° F)
  • Model 13546: -9.4° to 60° C (15° to 140° F)

Set Point - Increasing

  • Model 120: -17.8° to 107.2° C (0° to 225° F)
  • Model 121: 93.3° to 218.3° C (200° to 425° F)
  • Model 13546: -9.4° to 60° C (15° to 140° F)

Shock

  • 15 G 10 milliseconds

Stem Material

  • 316L Stainless Steel
  • B100-13546: Stainless Steel
  • Nickel-Plated Brass (Standard)

Storage Temperature

  • -54° to 71° C (-65° to 160° F)

Switch Type

  • SPDT

Temperature Range

  • -117.8° to 343.3° C (-180° to 650° F)

Vibration

  • 2.5 G, 5-500 Hz
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