IDSR17.5T

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IDSR17.5T Application Field and Working Principle

IDSR17.5T is a type of electrical specialty fuses that offer overcurrent protection for low voltage power supply applications. IDSR17.5T is especially suitable for industry, residential, small office, and commercial installations. It is designed to protect equipment from over current by limiting amount of current. It is designed with a cylindrical body, which is made up of silver alloy contact, sealed welded contacts and other components.

Working Principle

The working principle of the IDSR17.5T involves limiting the current flow in an electrical circuit. It is designed to protect the circuit by interrupting the circuit when the current reaches its breaking point. In an overcurrent condition, the fuse link melts due to the increase in temperature. The melting of the fuse link separates the contacts, causing a short-circuit of the circuit, thus protecting the circuit and limiting the damage caused by the overcurrent.

The heat generated by the melting of the fuse link can be reflected in the I2t characteristics. During an overcurrent condition, the current and temperature will increase rapidly. When the current reaches a certain value, the temperature of the fuse holder will reach the maximum value for I2t, and the fuse link will melt rapidly and then disconnect. After the fuse link melts, the circuit will automatically shut down and the power is disconnected.

IDSR17.5T Application Field

The IDSR17.5T is suitable for various applications such as motor drive, modern automation system, renewable energy, home automation system, industrial automation system, power distribution system, etc. It is also used to protect circuits, voltage and current from short circuits or overcurrents, thus providing effective protection for connected equipment and devices.

This type of fuse is typically used in low voltage power supplies with current ratings from 17.5A to 210A. They provide reliable, low-cost protection for a variety of applications and installations, including 3-phase systems, power control systems, motor control systems, and power electronic systems. The low voltage fuses can also be used in cables, panel boards, transformers, motors and other protection applications.

Since its introduction, the IDSR17.5T has gained great popularity among customers due to its reliable quality and low cost. Its features such as overcurrent protection, reliable and high-efficiency contact unit, low voltage protection and high switching capacity, make it an ideal choice for a wide range of applications.

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