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Termostatos

3100U Series

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

Overview
3100U Series

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

Technical Specifications

  • Insulation Resistance
    • MIL-STD-202, Method 302; 50 MOhm
    • MIL-STD-202, Method 302; Cond. B - 500 MOhm - 500 Vdc applied
  • Thermostat Contact Resistance
    • MIL-STD-202, Method 307; 0.050 Ohm
    • MIL-STD-202, Method 307; 0.050 Ohm max.

Technical Specifications

  • Insulation Resistance
    • MIL-STD-202, Method 302; 50 MOhm
    • MIL-STD-202, Method 302; Cond. B - 500 MOhm - 500 Vdc applied
  • Thermostat Contact Resistance
    • MIL-STD-202, Method 307; 0.050 Ohm
    • MIL-STD-202, Method 307; 0.050 Ohm max.
  • Insulation Resistance : MIL-STD-202, Method 302; 50 MOhm|MIL-STD-202, Method 302; Cond. B - 500 MOhm - 500 Vdc applied
  • Thermostat Contact Resistance : MIL-STD-202, Method 307; 0.050 Ohm|MIL-STD-202, Method 307; 0.050 Ohm max.
Data Sheet
Name
Description
File Size
Date
Size
Precision and High Reliability Thermostats
application/pdf 5.15 MB
8/12/2025
5.15 MB
Manuals and Guides
Name
Description
File Size
Date
Size
Thermostats Line Guide
application/pdf 450.42 KB
8/12/2025
450.42 KB
Redi-Temp Universal Thermostats 3100 SPST Hermetic Series - Selection Guide
application/pdf 226.67 KB
8/11/2025
226.67 KB
Precision Thermostat Selection Guide
application/pdf 258.21 KB
8/12/2025
258.21 KB
Technical Tip Bulletin - Precision Thermostat | Gold Contact Selection Guide
application/pdf 33.28 KB
8/12/2025
33.28 KB
Industrial Product Line Card for Switches
application/pdf 2.24 MB
8/12/2025
2.24 MB
Brochure
Name
Description
File Size
Date
Size
Brochure about Honeywell's Sensor & Switch Solutions for HVAC.
application/pdf 11.68 MB
8/7/2025
11.68 MB
Brochure about Sensor & Switch solutions for HVAC
application/pdf 11.68 MB
7/23/2025
11.68 MB
Sensing Solutions For Industrial Applications
application/pdf 16.68 MB
8/11/2025
16.68 MB
Application Note
Name
Description
File Size
Date
Size
Construction Vehicles -
application/pdf 984.29 KB
8/11/2025
984.29 KB
Agricultural Vehicles Application Note
application/pdf 1.11 MB
8/12/2025
1.11 MB
Defence Ground Vehicles -
application/pdf 872.87 KB
8/11/2025
872.87 KB
Platform Vehicles
application/pdf 628.05 KB
8/11/2025
628.05 KB
Forestry Vehicles
application/pdf 1.05 MB
8/11/2025
1.05 MB
eBook
Name
Description
File Size
Date
Size
Military and Defense E-book
application/pdf 15.17 MB
8/11/2025
15.17 MB
Name
Description
File Size
Date
Size
Thermostats Line Guide
application/pdf 450.42 KB
8/12/2025
450.42 KB
Construction Vehicles -
application/pdf 984.29 KB
8/11/2025
984.29 KB
Agricultural Vehicles Application Note
application/pdf 1.11 MB
8/12/2025
1.11 MB
Redi-Temp Universal Thermostats 3100 SPST Hermetic Series - Selection Guide
application/pdf 226.67 KB
8/11/2025
226.67 KB
Precision and High Reliability Thermostats
application/pdf 5.15 MB
8/12/2025
5.15 MB
Precision Thermostat Selection Guide
application/pdf 258.21 KB
8/12/2025
258.21 KB
Defence Ground Vehicles -
application/pdf 872.87 KB
8/11/2025
872.87 KB
Technical Tip Bulletin - Precision Thermostat | Gold Contact Selection Guide
application/pdf 33.28 KB
8/12/2025
33.28 KB
Industrial Product Line Card for Switches
application/pdf 2.24 MB
8/12/2025
2.24 MB
Platform Vehicles
application/pdf 628.05 KB
8/11/2025
628.05 KB
Forestry Vehicles
application/pdf 1.05 MB
8/11/2025
1.05 MB
Brochure about Honeywell's Sensor & Switch Solutions for HVAC.
application/pdf 11.68 MB
8/7/2025
11.68 MB
Brochure about Sensor & Switch solutions for HVAC
application/pdf 11.68 MB
7/23/2025
11.68 MB
Military and Defense E-book
application/pdf 15.17 MB
8/11/2025
15.17 MB
Sensing Solutions For Industrial Applications
application/pdf 16.68 MB
8/11/2025
16.68 MB

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