FLSR125.XXID

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The FLSR125.XXID family of fuses offer exceptional protection from over-heating, over-load and short circuit faults. They are designed to protect critical electrical circuits including motors, automotive and lighting applications. The product is made of a special metal alloy that has been formulated to resist temperature shock and thermal cycling. This metal alloy is designed to self-extinguish arcs in the event of a quick short-circuit attempt.

The FLSR125.XXID family of fuses are designed for use in a variety of applications and are engineered to provide superior protection for all types of electrical control circuits. The FLSR125.XXID has a current rating of 125 amps and an interrupting rating of 35 kA at 600 volts AC. The type designation for the FLSR125.XXID is a 1-1/4” x 2” x 1/4” fuse cartridge, categorically rated E500A00. This rating is qualified for use in all UPS, inverter, and motor control applications.

Working Principle:

FLSR125.XXID fuses have two main components: an element and an enclosure. The element is made with a specific metal alloy that is closely calibrated for resistance and temperature. The element is referred to as the ‘ability to extinguish an arc’ due to its ability to quickly stop current flow in the presence of an overload or short circuit. This ability is the key point when evaluating the overall size and weight of the product. The enclosure for the FLSR125.XXID is made from high-temperature rated heat resistive cast aluminum. The enclosure shape and size are directly related to the air gap factor, which allows room for the element to expand or contract as it is heated or cooled during operation. In the presence of an overload or short circuit, the air gap factor also allows the enclosure to reduce pressure that can be created during the extinguishing process.

The physical size and shape of the FLSR125.XXID fuse allows for a wide range of current ratings and interrupting ratings for operation. This versatility allows for a larger range of applications and can even be used in applications such as power supplies, fuel tanks or pumps. In addition to their versatility, the FLSR125.XXID series of fuses offer an extensive selection of mounting styles and accessories.

The FLSR125.XXID fuse is UL recognized under the standards UL 248-9 and 247-7. This conformity ensures that the user is provided with the highest level of safety and product reliability. The FLSR125.XXID family of fuses are certified to be used in all applications requiring the IEC 60269, VDE 0660 and UL 248-9 standards.

In conclusion, the FLSR125.XXID family of fuses offer superior protection for electrical circuits and are designed for a wide range of applications. The metal alloy of the element ensures that the fuse can quickly detect overloads and short circuits and extinguish an arc. The heat resistive cast aluminum enclosure provided allows for a wide range of current ratings and interrupting ratings. The FLSR125.XXID is UL recognized and certified to meet the IEC 60269, VDE 0660 and UL 248-9 standards.

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