SPP-4F70

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The SPP-4F70 fuse is a specialty electrical fuse designed to provide consistent and reliable protection wherever the rugged protection of electrical distribution systems is needed. Its innovative design makes it highly effective in protecting equipment and preventing consumer damaging surges, making it an ideal choice for a variety of industrial, residential and service applications.

The SPP-4F70 has a unique and robust metalized ribbon strip fusing element that can provide robust protection even after multiple overloads. Once the circuit is overloaded, the fusing ribbon element reacts quickly and completely melts, thus severing the electrical current. An optional solid-state thermal fuse can be used to add extra protection in some applications.

The SPP-4F70 has a wide range of applications including residential and commercial buildings, factories, warehouses, distribution boards, power supplies, HVAC units, industrial equipment, circuit breakers, and electrical motors. The fuse is designed to provide robust protection for equipment in electrical installations with no interruption for longer periods of time. Overload current caused by short circuits or overvoltage causes the fusing element to melt and the internal circuit of the SPP-4F70 is cut off.

The SPP-4F70 is designed with an aluminum housing and encapsulated with a double-layer of epoxy to help protect against environmental conditions such as moisture, dust, and corrosion. This ensures the fuse retains its protective properties during its lifetime. In addition, a robust terminal connection ensures that the fuse can withstand the vibration caused by frequent switch switching.

The working principle of the SPP-4F70 is simple. When an overload current is detected, the fusing element melts and the electrical current is cut off. The SPP-4F70 fuse has a high breaking capacity, making it ideal for a variety of applications. Additionally, its protection capability can be extended with the addition of an optional solid-state thermal fuse.

The SPP-4F70 is UL-classified and has proven itself to be a reliable and effective specialty fuse. Its wide range of applications and dependable protection make it an ideal choice for electrical system installation and protection. Since electrical surges and overloads occur unexpectedly, having the SPP-4F70 fuse installed is a great way to provide consistent and reliable protection for any electrical system.

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