CH221B

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A CH221B is a type of fuseholder typically used in electrical equipment and mobile electronic devices. It is available in a variety of sizes, configurations, and voltage ratings to meet different application and installation needs. Fuseholders are important components used to provide a secure electrical connection for fuses while ensuring the safety of the electrical system or mobile electronic device. A fuseholder provides additional protection that limits the current flowing through the device to a safe level.

The CH221B is designed for use with 5×20 mm glass body or ceramic body 5A fuses. This fuseholder has a compact, lightweight, and reliable design that makes it suitable for a range of applications, including industrial electrical systems, automotive electronics, and home appliances. The CH221B is also designed to meet all UL, VDE, and CCC safety standards, making it an excellent choice for a secure, reliable connection.

The working principle of a CH221B is quite simple. The fuseholder is equipped with two metal strips that act as the contacts of the fuseholder. When the fuseholder is installed on an electrical component or device, the electrical current passing through the device flows through the two contacts of the fuseholder. If the current exceeds the rated value, the fuse melts, which disconnects the circuit and prevents further damage to the electrical system or device.

The CH221B is a versatile and reliable fuseholder that is widely used in a range of applications. It is designed for use with 5×20 mm glass or ceramic body 5A fuses, making it suitable for both low voltage and high voltage applications. It is also available in a variety of sizes and configurations to meet different installation needs. Additionally, the CH221B meets all UL, VDE, and CCC safety standards, making it an excellent choice for a secure and reliable connection.

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