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1/2" NPT Snap-Action Bellows Temperature Switches

Snap-Action Temperature Switches
  • RoHS Icon


Item# TSW-HT-1C-120R/WL

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $215.74
5-9 $204.95
10-24 $200.64
25-49 $192.01
50-99 $187.69
100+ $183.38

Please contact Technical Sales Team for assistance.
Snap-Action Temperature Switches TSW-HT-1C-120R/WL TSW-HT-1C-120R/WL
  • High-Quality Snap-Action Switch
  • 10 Amp Contacts
  • Utilizes Bellows Mechanism to Sense Temperature
  • Shock and Vibration Resistant

TSW-HT-1C-120R/WL Model Options

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Switch Operation
Switch Type
Supply Voltage
Probe Length
Probe Diameter
Sensor Material
Minimum Temperature
Maximum Temperature
Additional Features


Omega’s TSW-HT Series high quality temperature switches utilize a bellows mechanism to sense temperature and are perfect for applications that require an economical solution to simplify temperature control. All switches activate with a rise in temperature and are shock and vibration resistant. TSW-HT Series offer a wide range of temperature pre-set values to select from.

Set Point Range: 4 to 149°C (40 to 300°F)
Set Point Tolerance: ±2.8°C (5°F)
Maximum Operating Temperature: 37.7°C (100°F) above set point [163°C (325°F) maximum]
Differential: -13.3 to -8.8°C (8 to 16°F)
Current Rating: 10 A @ 250 Vac, 5 A @ 30 Vdc (resistive)
Media Connection: ½ NPT male threads
Circuit Form: SPDT
Electrical Connection: 457 mm (18") wire leads
Maximum External Pressure: 500 psi
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What part of the device senses temperature? Maybe the tip?

Asked by: SteveThermal
Thank you for your inquiry. The tip is is the part that senses the temperature.
Answered by: Application Engineer MC
Date published: 2023-07-26
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