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Thermostats

3100U Series

Hermetically sealed. UL &/or CSA. Tight tolerances & differentials. Pre-set & tamper proof. SPST contacts. Mounting brackets, terminals.

Overview

The 3100U Series is a single-pole, single-throw switch activated by a snap-action bimetal disc. The case is laser welded to form a hermetically-sealed steel housing, with a glass-to-metal seal at the terminal junction. Temperature calibrations are pre-set at the factory. Each unit is thermally and mechanically inspected and tamperproof. They are available to open or close on temperature rise. A variety of mounting brackets and terminals is available. Used in high temperature control. 3100U 240 V: UL/CSA approved.

Features
  • Hermetically sealed
  • Tight tolerances
  • Tight differentials
Potential Applications
  • Computers
  • Medical electronics
  • Power supplies
  • Industrial controls
  • Test equipment
  • Infotech
Specifications

Others

  • Humidity
    • MIL-STD-202, Method 105
    • MIL-STD-202, Method 106
  • Thermostat Environmental Exposure Range
    • -62 °C to 288 °C [-80 °F to 550 °F]
  • Agency Approvals and Standards
    • UL
    • UL, CSA
  • Thermostat Contact Resistance
    • MIL-STD-202, Method 307; 0.050 Ohm
    • MIL-STD-202, Method 307; 0.050 Ohm max.
  • Operating Temperature
    • -29 °C to 260 °C [-20 °F to 500 °F]
  • Insulation Resistance
    • MIL-STD-202, Method 302; 50 MOhm
    • MIL-STD-202, Method 302; Cond. B - 500 MOhm - 500 Vdc applied
  • Dielectric Strength
    • MIL-STD-202, Method 301; 1250 Vac 60 Hz - Terminal to Case
  • Seal Type
    • MIL-STD-202, Method 112; Cond. 1x10-4
    • MIL-STD-202, Method 112; Cond. 1x10-5

Others

  • Humidity
    • MIL-STD-202, Method 105
    • MIL-STD-202, Method 106
  • Thermostat Environmental Exposure Range
    • -62 °C to 288 °C [-80 °F to 550 °F]
  • Agency Approvals and Standards
    • UL
    • UL, CSA
  • Thermostat Contact Resistance
    • MIL-STD-202, Method 307; 0.050 Ohm
    • MIL-STD-202, Method 307; 0.050 Ohm max.
  • Operating Temperature
    • -29 °C to 260 °C [-20 °F to 500 °F]
  • Insulation Resistance
    • MIL-STD-202, Method 302; 50 MOhm
    • MIL-STD-202, Method 302; Cond. B - 500 MOhm - 500 Vdc applied
  • Dielectric Strength
    • MIL-STD-202, Method 301; 1250 Vac 60 Hz - Terminal to Case
  • Seal Type
    • MIL-STD-202, Method 112; Cond. 1x10-4
    • MIL-STD-202, Method 112; Cond. 1x10-5
  • Humidity : MIL-STD-202, Method 105|MIL-STD-202, Method 106
  • Thermostat Environmental Exposure Range : -62 °C to 288 °C [-80 °F to 550 °F]
  • Agency Approvals and Standards : UL|UL, CSA
  • Thermostat Contact Resistance : MIL-STD-202, Method 307; 0.050 Ohm|MIL-STD-202, Method 307; 0.050 Ohm max.
  • Operating Temperature : -29 °C to 260 °C [-20 °F to 500 °F]
  • Insulation Resistance : MIL-STD-202, Method 302; 50 MOhm|MIL-STD-202, Method 302; Cond. B - 500 MOhm - 500 Vdc applied
  • Dielectric Strength : MIL-STD-202, Method 301; 1250 Vac 60 Hz - Terminal to Case
  • Seal Type : MIL-STD-202, Method 112; Cond. 1x10-4|MIL-STD-202, Method 112; Cond. 1x10-5
Data Sheet
Name
Description
File Size
Date
Size
Precision and High Reliability Thermostats
application/pdf 5.15 MB
10/7/2021
5.15 MB
Manuals and Guides
Name
Description
File Size
Date
Size
Precision Thermostat Selection Guide
application/pdf 258.21 KB
10/7/2021
258.21 KB
Thermal Sensors Product Range Guide
application/pdf 993.29 KB
10/7/2021
993.29 KB
Thermostats Line Guide
application/pdf 455.96 KB
10/7/2021
455.96 KB
Redi-Temp Universal Thermostats 3100 SPST Hermetic Series - Selection Guide
application/pdf 226.67 KB
10/7/2021
226.67 KB
Technical Tip Bulletin - Precision Thermostat | Gold Contact Selection Guide
application/pdf 33.28 KB
10/7/2021
33.28 KB
Technical Note
Name
Description
File Size
Date
Size
Industrial Product Line Card
application/pdf 2.24 MB
10/24/2022
2.24 MB
Application Note
Name
Description
File Size
Date
Size
Defence Ground Vehicles -
application/pdf 872.87 KB
6/14/2023
872.87 KB
Platform Vehicles
application/pdf 628.05 KB
12/20/2022
628.05 KB
Forestry Vehicles
application/pdf 1.05 MB
12/20/2022
1.05 MB
Construction Vehicles -
application/pdf 984.29 KB
12/20/2022
984.29 KB
Agricultural Vehicles -
application/pdf 1.11 MB
10/25/2022
1.11 MB
Name
Description
File Size
Date
Size
Defence Ground Vehicles -
872.87 KB
6/14/2023
872.87 KB
Platform Vehicles
628.05 KB
12/20/2022
628.05 KB
Forestry Vehicles
1.05 MB
12/20/2022
1.05 MB
Industrial Product Line Card
2.24 MB
10/24/2022
2.24 MB
Precision Thermostat Selection Guide
258.21 KB
10/7/2021
258.21 KB
Construction Vehicles -
984.29 KB
12/20/2022
984.29 KB
Thermal Sensors Product Range Guide
993.29 KB
10/7/2021
993.29 KB
Agricultural Vehicles -
1.11 MB
10/25/2022
1.11 MB
Thermostats Line Guide
455.96 KB
10/7/2021
455.96 KB
Precision and High Reliability Thermostats
5.15 MB
10/7/2021
5.15 MB
Redi-Temp Universal Thermostats 3100 SPST Hermetic Series - Selection Guide
226.67 KB
10/7/2021
226.67 KB
Technical Tip Bulletin - Precision Thermostat | Gold Contact Selection Guide
33.28 KB
10/7/2021
33.28 KB
Name
Description
File Size
Date
Size
Precision and High Reliability Thermostats
5.15 MB
10/7/2021
Precision Thermostat Selection Guide
258.21 KB
10/7/2021
Thermal Sensors Product Range Guide
993.29 KB
10/7/2021
Thermostats Line Guide
455.96 KB
10/7/2021
Redi-Temp Universal Thermostats 3100 SPST Hermetic Series - Selection Guide
226.67 KB
10/7/2021
Technical Tip Bulletin - Precision Thermostat | Gold Contact Selection Guide
33.28 KB
10/7/2021
Industrial Product Line Card
2.24 MB
10/24/2022
Defence Ground Vehicles -
872.87 KB
6/14/2023
Platform Vehicles
628.05 KB
12/20/2022
Forestry Vehicles
1.05 MB
12/20/2022
Construction Vehicles -
984.29 KB
12/20/2022
Agricultural Vehicles -
1.11 MB
10/25/2022