CH143DNU

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Fuseholders are a type of device used to provide a physical and electrical connection between a fuse and other components in an electrical system. CH143DNU is one of the most commonly used fuseholders due to its application field and working principle.

The CH143DNU is specifically designed for use in controlling or protecting 60A DC circuits using class j fuses. It is primarily used for outdoor applications, such as transformer protection, solar photovoltaic protection, service entrance protection, and many others. The CH143DNU is a 600 VDC and 300 VAC rated fuse holder, which makes it ideal for use in both DC and AC circuits.

In terms of working principle, the CH143DNU is a multi-node spring-loaded fuseholder, which provides for easy fuse insertion and removal. The spring-loaded brass contact nodes make contact with the fuse\'s terminals and securely hold the fuse in place. The CH143DNU also includes potted housing, which provides additional protection against environmental hazards and corrosion. Additionally, the fuseholder is designed with a molded strain relief that prevents cable stress due to excessive pulling or pushing.

The CH143DNU is the ideal fuseholder for applications where both DC and AC circuits need to be controlled or protected. It is simple to install and can be used in a variety of outdoor applications. Additionally, the CH143DNU provides a secure fit for the fuses, ensuring that the circuit will be protected from over-current.

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