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Thermostats

3MS1 QPL Series

Military. QPL. Each unit 100% inspected. Hermetically sealed. Tight tolerances & differentials. SPST contacts. Mounting brackets, terminals

The 3MS1 QPL 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 qualified to MIL-S-24236 and is QPL listed for military applications.

Features
  • Hermetically sealed
  • Tight tolerances
  • Tight differentials
  • Hi-Rel
  • QPL listed
Potential Applications
  • Military
Data Sheet
Name
Description
File Size
Date
Size
Precision and High Reliability Thermostats
application/pdf 3.36 MB
7/22/2021
3.36 MB
Manuals and Guides
Name
Description
File Size
Date
Size
Aerospace and Defense Product Range Guide -
application/pdf 16.36 MB
11/17/2022
16.36 MB
Thermostats Line Guide
application/pdf 450.42 KB
7/22/2021
450.42 KB
application/pdf 11.1 MB
7/22/2021
11.1 MB
Soldering Wire Leads on Precision Hermetic Thermostats
application/pdf 57.71 KB
7/22/2021
57.71 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
10/25/2022
872.87 KB
Construction Vehicles -
application/pdf 984.29 KB
10/25/2022
984.29 KB
Agricultural Vehicles -
application/pdf 1.11 MB
10/25/2022
1.11 MB
Name
Description
File Size
Date
Size
Aerospace and Defense Product Range Guide -
16.36 MB
11/17/2022
16.36 MB
Defence Ground Vehicles -
872.87 KB
10/25/2022
872.87 KB
Construction Vehicles -
984.29 KB
10/25/2022
984.29 KB
Precision and High Reliability Thermostats
3.36 MB
7/22/2021
3.36 MB
Agricultural Vehicles -
1.11 MB
10/25/2022
1.11 MB
Thermostats Line Guide
450.42 KB
7/22/2021
450.42 KB
11.1 MB
7/22/2021
11.1 MB
Soldering Wire Leads on Precision Hermetic Thermostats
57.71 KB
7/22/2021
57.71 KB
Industrial Product Line Card
2.24 MB
10/24/2022
2.24 MB
Name
Description
File Size
Date
Size
Precision and High Reliability Thermostats
3.36 MB
7/22/2021
Aerospace and Defense Product Range Guide -
16.36 MB
11/17/2022
Thermostats Line Guide
450.42 KB
7/22/2021
Soldering Wire Leads on Precision Hermetic Thermostats
57.71 KB
7/22/2021
Industrial Product Line Card
2.24 MB
10/24/2022
Defence Ground Vehicles -
872.87 KB
10/25/2022
Construction Vehicles -
984.29 KB
10/25/2022
Agricultural Vehicles -
1.11 MB
10/25/2022