SS-5F-400MA-BK

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Fuses are necessary components of electrical appliances, and SS-5F-400MA-BK is a type of fuse with its own specific application field and working principle.

In general, SS-5F-400MA-BK is a miniature slow-blow time-delay fuse designed to provide additional time delay and overcurrent protection in various types of DC and AC equipment. It is commonly used with sensitive electronic loads for overcurrent protection. To ensure optimal safety, the fuse is designed with higher amp rating than the approximate load current so that it won’t open when a higher current passing through. It\'s small, lightweight, and has outstanding overcurrent protection performance.

SS-5F-400MA-BK is used in many different applications, such as equipment protection for battery chargers, air conditioners and other power supply equipment; and personal protection for vehicle electronics, small appliances, medical and industrial devices. Moreover, the fuse is also suitable for many types of power systems such as DC power systems, AC power system and unregulated power systems.

The working principle of SS-5F-400MA-BK is based on a metal strip or fuse element inside the glass body that carries the current and melts by excessive current, which cuts off the current flow when working. When a high amplitude current passes through the electric circuit, the fuse element will be heated by the current and melted rapidly; when the fuse element heated completely , it will cut off the circuit and protect the circuit by preventing any further current; and after the current returns to the normal level, the fuse element will cool down, and replacement fuse is needed when the fuse element has been damaged beyond repair.

In summary, SS-5F-400MA-BK is a miniature slow-blow time-delay fuse that is used for various types of DC and AC equipment. It is designed for overcurrent protection, and typically used in equipment protection and personal protection applications, making it a reliable and cost-effective device for protecting the functional integrity of electrical systems.

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