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Overview

3100 Series Hermetic Thermostats.
The 3100 Series consists of a single pole, single throw switch activated by a snap-action bimetal disc. Temperature calibrations are pre-set at the factory and each unit is 100% thermally and mechanically inspected. It is available to open or close on temperature rise. The case is laser welded to form a hermetically-sealed steel housing with a glass-to-metal seal at the terminal junction. It is manufactured and tested to meet or exceed critical commercial and industrial specifications.
3100U 00031435 Preconfigured Redi-Temp - Honeywell


Technical Specifications

Functional Properties Open on rise
Reset Type Automatic
Operating Temperature -29 °C to 260 °C [-20 °F to 500 °F]
Amperage 3 A resistive max.
Voltage 120 Vac
Open Temperature 26.7 °C [80 °F]
Open Tolerance 2.8 °C [5 °F]
Close Temperature 15.6 °C [60 °F]
Close Tolerance 2.8 °C [5 °F]
Environmental Exposure Range -62 °C to 288 °C [-80 °F to 550 °F]
Dielectric Strength MIL-STD-202, Method 301; 1250 Vac 60 Hz - Terminal to Case
Insulation Resistance MIL-STD-202, Method 302; 50 MOhm
Contact Resistance MIL-STD-202, Method 307; 0.050 Ohm max.
Hermetic Seal MIL-STD-202, Method 112; Cond. 1x10-5
Moisture Resistance MIL-STD-202, Method 106
Shock N/A
Housing Material Steel housing hermetically sealed with glass-to-metal seal at terminal junction
Contact Material Silver
Mounting B209 fixed bracket
Agency Approvals and Standards UL
Series Name 3100U

Technical Specifications

Functional Properties Open on rise
Reset Type Automatic
Operating Temperature -29 °C to 260 °C [-20 °F to 500 °F]
Amperage 3 A resistive max.
Voltage 120 Vac
Open Temperature 26.7 °C [80 °F]
Open Tolerance 2.8 °C [5 °F]
Close Temperature 15.6 °C [60 °F]
Close Tolerance 2.8 °C [5 °F]
Environmental Exposure Range -62 °C to 288 °C [-80 °F to 550 °F]
Dielectric Strength MIL-STD-202, Method 301; 1250 Vac 60 Hz - Terminal to Case
Insulation Resistance MIL-STD-202, Method 302; 50 MOhm
Contact Resistance MIL-STD-202, Method 307; 0.050 Ohm max.
Hermetic Seal MIL-STD-202, Method 112; Cond. 1x10-5
Moisture Resistance MIL-STD-202, Method 106
Shock N/A
Housing Material Steel housing hermetically sealed with glass-to-metal seal at terminal junction
Contact Material Silver
Mounting B209 fixed bracket
Agency Approvals and Standards UL
Series Name 3100U

Documents

TITLE DOCUMENT TYPE LANGUAGE SIZE
Precision and High Reliability Thermostats Datasheet -- 4MB
Thermostats Line Guide Product Line Guide English 444KB
Thermal Sensors Product Range Guide English 2MB

Product Features

  • Hermetically sealed
  • Tight tolerances
  • Tight differentials

Applications

  • Computers
  • Medical electronics
  • Power supplies
  • Industrial controls
  • Test equipment
  • Infotech

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