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Thermostats

3156 Series

Hermetically sealed. UL &/or CSA. Pre-set & tamper proof. Low profile. Gold alloy contacts.

Overview

The 3156 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. The low silhouette and compact design often make it especially well suited for applications that require miniaturization. They have gold alloy contacts for low voltage applications.

Features
  • Hermetically sealed
  • Tight tolerances
  • Tight differential
  • Low profile
Potential Applications
  • Industrial
  • Food service
  • Telecom
  • Medical
  • Infotech
Specifications

Others

  • Humidity
    • MIL-STD-202, Method 106
  • Thermostat Environmental Exposure Range
    • -54 °C to 260 °C [-65 °F to 500 °F]
  • Agency Approvals and Standards
    • UL
  • Thermostat Contact Resistance
    • MIL-STD-202, Method 307; 0.050 Ohm
  • Operating Temperature
    • -29 °C to 177 °C [-20 °F to 350 °F]
  • Insulation Resistance
    • 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
    • MIL-STD-202, Method 301; 750 Vac 60 Hz - Terminal to Case
  • Seal Type
    • MIL-STD-202, Method 112; Cond. 1x10-5

Others

  • Humidity
    • MIL-STD-202, Method 106
  • Thermostat Environmental Exposure Range
    • -54 °C to 260 °C [-65 °F to 500 °F]
  • Agency Approvals and Standards
    • UL
  • Thermostat Contact Resistance
    • MIL-STD-202, Method 307; 0.050 Ohm
  • Operating Temperature
    • -29 °C to 177 °C [-20 °F to 350 °F]
  • Insulation Resistance
    • 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
    • MIL-STD-202, Method 301; 750 Vac 60 Hz - Terminal to Case
  • Seal Type
    • MIL-STD-202, Method 112; Cond. 1x10-5
  • Humidity : MIL-STD-202, Method 106
  • Thermostat Environmental Exposure Range : -54 °C to 260 °C [-65 °F to 500 °F]
  • Agency Approvals and Standards : UL
  • Thermostat Contact Resistance : MIL-STD-202, Method 307; 0.050 Ohm
  • Operating Temperature : -29 °C to 177 °C [-20 °F to 350 °F]
  • Insulation Resistance : 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|MIL-STD-202, Method 301; 750 Vac 60 Hz - Terminal to Case
  • Seal Type : 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
Technical Tip Bulletin - Precision Thermostat | Gold Contact Selection Guide
application/pdf 33.28 KB
10/7/2021
33.28 KB
Soldering Wire Leads on Precision Hermetic Thermostats
application/pdf 216.61 KB
10/7/2021
216.61 KB
Thermostats Line Guide
application/pdf 455.96 KB
10/7/2021
455.96 KB
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
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
Construction Vehicles -
application/pdf 984.29 KB
12/20/2022
984.29 KB
Forestry Vehicles
application/pdf 1.05 MB
12/20/2022
1.05 MB
Platform Vehicles
application/pdf 628.05 KB
12/20/2022
628.05 KB
Agricultural Vehicles -
application/pdf 1.11 MB
10/25/2022
1.11 MB
Defence Ground Vehicles -
application/pdf 872.87 KB
6/14/2023
872.87 KB
Name
Description
File Size
Date
Size
Construction Vehicles -
984.29 KB
12/20/2022
984.29 KB
Forestry Vehicles
1.05 MB
12/20/2022
1.05 MB
Platform Vehicles
628.05 KB
12/20/2022
628.05 KB
Industrial Product Line Card
2.24 MB
10/24/2022
2.24 MB
Agricultural Vehicles -
1.11 MB
10/25/2022
1.11 MB
Precision and High Reliability Thermostats
5.15 MB
10/7/2021
5.15 MB
Technical Tip Bulletin - Precision Thermostat | Gold Contact Selection Guide
33.28 KB
10/7/2021
33.28 KB
Soldering Wire Leads on Precision Hermetic Thermostats
216.61 KB
10/7/2021
216.61 KB
Thermostats Line Guide
455.96 KB
10/7/2021
455.96 KB
Defence Ground Vehicles -
872.87 KB
6/14/2023
872.87 KB
Precision Thermostat Selection Guide
258.21 KB
10/7/2021
258.21 KB
Thermal Sensors Product Range Guide
993.29 KB
10/7/2021
993.29 KB
Name
Description
File Size
Date
Size
Precision and High Reliability Thermostats
5.15 MB
10/7/2021
Technical Tip Bulletin - Precision Thermostat | Gold Contact Selection Guide
33.28 KB
10/7/2021
Soldering Wire Leads on Precision Hermetic Thermostats
216.61 KB
10/7/2021
Thermostats Line Guide
455.96 KB
10/7/2021
Precision Thermostat Selection Guide
258.21 KB
10/7/2021
Thermal Sensors Product Range Guide
993.29 KB
10/7/2021
Industrial Product Line Card
2.24 MB
10/24/2022
Construction Vehicles -
984.29 KB
12/20/2022
Forestry Vehicles
1.05 MB
12/20/2022
Platform Vehicles
628.05 KB
12/20/2022
Agricultural Vehicles -
1.11 MB
10/25/2022
Defence Ground Vehicles -
872.87 KB
6/14/2023