The Horton 190 °F 12/24V Normally Open Thermal Switch is the perfect choice for reliable circuit control in extreme and high-vibration environments. This heavy duty temperature switch is fast, stable and accurate and is made with UL Recognized components. It is easy to install with just two screws. With its proven performance, you can trust this thermal switch to keep your circuits running smoothly. FleetPride is your First Click in Heavy Duty®.