SPP-4M100

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The SPP-4M100 is a miniature fuse comprised of a ceramic body with a nickel-plated copper cap and a silver-plated brass insert. It is designed for use in applications up to 100 Volts DC or AC. The SPP-4M100 is designed for use in residential, commercial and industrial applications, in power distribution systems, portable devices, electronic circuits and light fixture installation. It is perfect for a wide range of applications; including protection of both equipment and personnel from electrical hazards.

The SPP-4M100 is a time-delay fuse. It is designed to open on excess current that may last for a period of time. This typically occurs during motor starting or similar inductive loads as are common to Edison style installations. This delayed response is key to protecting the fuse from nuisance opening and equipment damage.

The SPP-4M100 is a 4mm x 20mm ceramic body specialty fuse. It is UL Recognized under the component program, File E59778. It comes in a standard mounting configuration but also has a variety of sizes and terminal styles. The SPP-4M100 incorporates the highest quality materials and construction to ensure dependable service and safety.

The working principle behind the SPP-4M100 is simple. In a steady state current, the fuse is designed to limit current to the fuse rating. If the current exceeds this rating, the fuse will open, isolating downstream circuits and protecting the protected system from damage.

When a current rises above the fuse rating, the heat generated by the current will warm the fuse material. This heating causes the fuse element to soften and melt, breaking the connection and protect the circuit. The SPP-4M100 includes a time delay element, allowing for motor starting or similar transient loads that generate more current for a brief period.

The SPP-4M100 is UL Recognized and meets a variety of standards, including UL, IEC, CSA, and NEC. Fuse ratings are available from 0.08A to 20A in five different voltage ratings. It features a nominal breaking capacity of 10kA@250V (AC) and is rated for operation up to 100V (DC and AC).

In conclusion, the SPP-4M100 and other miniature fuses are essential components to any DC or AC electrical system. They are designed to provide protection against short circuits, surges, and other electrical fault conditions while maintaining a safe environment for personnel. With its UL Recognition, wide voltage rating, and variety of sizes and terminals, the SPP-4M100 is the perfect specialty fuse for use in residential, commercial, and industrial applications, helping keep systems and people safe while allowing them to work efficiently.

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