SPP-4F50

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

This article focuses on the SPP-4F50 electrical specialty fuse and its application field as well as working principle. It is an ideal electrical device for a wide range of applications and should be chosen carefully, depending on the specific requirements of the electrical system.

SPP-4F50 is a high temperature, medium voltage specialized fuse with a rate current of 50A and a breaking capacity of 10,000A (AC). It has a short circuit protection time delay of 0.5 seconds. Unlike other electrical fuses, the SPP-4F50 fuse does not contain a resistor element, but rather an inductor element instead. This ensures that the current passes through the fuse slowly, allowing the user to safely disconnect the circuit in the event of an overload.

The fuse can be used in a variety of industrial environments such as in substations, distribution systems and motor control centers. It is also suitable for applications where fast current breaks and reactive short-circuit currents need to be controlled, such as in elevators, furnace fans and air-conditioning units. The fuse also has a UL 489C certification, offering double insulation safety in power distribution systems.

The SPP-4F50 is equipped with a unique, proprietary design, allowing it to operate differently than other fuses. It utilizes a special heat-sensitive magnetic circuit that limits the current flow through the fuse if the load conditions are very high or if the low voltage is not desense start. The fuse will open less than 0.1 seconds and the current is limited to around 10% of the rated current. This function ensures the safety of the equipment being protected.

The SPP-4F50 is also designed to provide improved over-current protection. It utilizes a feature called "instantaneous trip" that is activated when the current passes through the threshold of the overloaded current. The fuse will trip immediately and the fuse links are removed automatically. This allows the user to disconnect the circuit in the event of an overload before any damage occurs.

The SPP-4F50 can also be used to protect against overvoltage conditions. This is done by having the fuse absorb the additional energy. This means that the fuse will not be damaged due to an overvoltage condition, allowing the connected equipment or system to remain protected. It also offers a high level of surge protection, ensuring that the connected equipment is not affected by power surges.

In summary, the SPP-4F50 has a wide range of applications and can be used in a wide variety of environments. It is a reliable and cost-effective specialty fuse that is ideal for many applications. It offers a variety of features, such as over-current, over-voltage, surge protection and instant trip protection. Additionally, it has a UL 489C certification, offering double insulation safety.

The specific data is subject to PDF, and the above content is for reference