Thermal Cut-Outs built with Reed Switches

Reed Switch-based closed thermal cut-outs offer versatile solutions for a wide array of automotive applications, ranging from activating cooling circuits to triggering dashboard indicators. These devices, characterized by their sharp trigger signals, serve as efficient alternatives to traditional components like bimetallic strips, thermistors, and thermostats for overheat protection or precise temperature switching.

In automotive contexts, reed switch based thermal cut-outs play a crucial role in detecting elevated temperatures and providing timely indications on the instrument panel.

When temperatures surpass predetermined thresholds, these sensors initiate actions such as activating cooling fans to mitigate heat buildup. Once the desired temperature range is restored, the system can be programmed to automatically deactivate the cooling mechanism after a predefined duration, thereby optimising energy efficiency and system performance.

One of the key advantages of reed switch based thermal cut-outs is their ability to offer customisable temperature ranges. This flexibility allows automotive engineers to tailor the sensors’ response to specific temperature requirements, ensuring precise and reliable thermal cut-out management in various operating conditions.

By leveraging the inherent properties of reed switches, thermal cut-outs equipped with reed sensors deliver fast and accurate responses to temperature fluctuations, enhancing the overall efficiency and safety of automotive systems. Whether it’s safeguarding critical components from overheating or maintaining optimal operating conditions, these innovative solutions exemplify the versatility and reliability of reed switch technology in automotive applications.

Application Classification

Applications are classified as Position Sensing, Pulse Counting, Electromagnetic or Relay, Temperature Sensing or Magnet Biasing types. This application is classified as follows and the link gives more information on best practices to help select the most suitable AT band and matching magnet.

Temperature Sensing Type

Normally, Reed Switches are used in collaboration with magnets in all the other types of applications. A Thermal Reed Switch is not Continue reading -> Sep 3, 2024

Recommended Products

The Reed Switches and Sensors used in such applications need to be robust, durable and efficient in meeting a high life expectancy. Our engineers work hard in life testing our products under various conditions, and our intention is to ensure end product durability and life. Although we wouldn’t want to restrict any of our products for use in only certain applications, the recommended products for use in this application are listed below.

Thermal Reed Sensor TRS-W

TRS-W Thermal Reed Sensor Drawing starFeaturesTemperature range of 25°C to 130°C. Less than 3°C tolerance. Normally Closed Continue reading -> Sep 3, 2024