This Liebert SN-T Rack Temperature Sensor is a reliable and efficient tool for monitoring the temperature in your power distribution unit. It is a cable type sensor that can easily be plugged in and started using. With this sensor, you can easily keep track of the temperature in your unit and take necessary actions to protect your computer or networking equipment. This sensor is perfect for use in the computer and networking industry and is a must-have for anyone looking to ensure the safety and efficiency of their power distribution unit.