25-81102

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25-81102, also known as a thermal overload relays, are commonly used to provide abundant protection for motors and other equipment. These overload relays are designed to monitor the amount of current consumed by the load and provides protection when the rated current is exceeded. This particular type of relays are simple to use and quite reliable, providing users with ample protection for their equipment.

The working principle of 25-81102 thermal overload relays is based on the heatsink concept. These relays incorporate a thermal element composed of two metal bulbs connected in series. One of the bulbs has a special element that is electrically insulated and thermally coupled to the other bulb. This element expands when heated by the current passing through the thermal element. When the current is high enough and exceeds the nominal rated value, the thermal element expands further and trips the motor overload relays.

25-81102 thermal overload relays have a wide range of applications. In motor applications, they are used to protect against motor overload or phase failure which can damage motors. These overload relays can also help protect against dangerous sparking and melting of wires, due to excessive current loading in the circuits. Overload relays are ideal for monitoring variable speed motors and can be used for other types of electrical applications. In many cases, these thermal overload relays can also help reduce the risk of equipment malfunction.

25-81102 thermal overload relays are also used for controlling motors used in home and industrial applications. They can be used to automatically switch off the motors when they reach a certain temperature and can also be used to prevent the motor from burning out. These relays can be easily set so that they trip only when the loads reach a certain temperature, protecting the motors from possible damage.

Overall, 25-81102 thermal overload relays are an indispensible part of every machine and motor system as they provide vital protection for the users. With the right settings and installation, these relays are very effective in safeguarding the users and their equipment from potential risks resulting from over current and over temperature.

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