0NLS300.X

ONLS 300.X is a type of specialty fuse used in electrical applications. This fuse is designed to protect electrical items from overload, short circuits, and other issues. Fuses of this type are often used in both domestic and industrial applications.

The ONLS 300.X fuse is a single pole type fuse that comes in either a standard or no-delay version. The no-delay fuse brings the same level of protection as the standard fuse but with a faster trip time. This is beneficial for those users who need a quicker response to shorts and overloads.

The ONLS 300.X fuse is made with an outer body made from a metal alloy. Inside this body is a spring-loaded contact that helps to create the electrical connection. When the contact is closed, current is free to flow. When the current increases beyond a certain point, the contact will open again, breaking the connection and preventing damage.

The fuse also contains a thermal element which is designed to sense when the current is too great. This is what triggers the fuse to open and break the connection. The thermal element is made from metal, usually copper, and it is thermally sensitive to the amount of current being passed through it. When it gets too hot, it triggers the device to break the connection.

The ONLS 300.X fuse is UL rated, meaning it meets the standards set by the Underwriters Laboratories. This rating helps ensure that the fuse provides adequate protection from over-current, short-circuit, and other power related risks.

In summary, the ONLS 300.X fuse is a specialty fuse used primarily for electrical applications. It offers protection from over-current, short-circuit, and other power-related risks and is UL rated for safety. This type of fuse is widely used in both domestic and industrial applications.