BK/S501-V-125-R

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Fuses find application in protecting both hand held devices and equipment from damage due to overcurrent or short circuit conditions. As their name suggests, these devices are designed to interrupt current flow within an electrical circuit in order to prevent further damage. Fuses fall under two categories: resettable and nonresettable. Nonresettable fuses are one-time fuses that are designed to permanently interrupt current. Resettable fuses are usually used in circuits where overcurrent protection is necessary but the circuit needs to be reset on a periodical basis. The BK/S501-V-125-R is a resettable fuse that is used to protect circuits from high current overloads and short circuits.

The BK/S501-V-125-R is used to provide connection and protection to 50A, 250VAC and 30A, 400VAC circuits. It is a Class J Fuse with a voltage rating of 125VAC and can operate effectively at 100 percent of its rated current. The fuse is designed to melt when the current exceeds its rated current and then reset after the overload has been removed. The reset time varies depending on the voltage rating and the rated current of the fuse. In general, the reset time should not exceed 20 seconds after the overload condition has been removed. The fuse is also designed to withstand up to 50,000 mechanical operations and 10,000 overloads.

The BK/S501-V-125-R is very easy to install and is designed to be mounted on standard DIN rails or can be directly mounted onto a circuit board. It is available in through-hole design or surface mount design and is made of high temperature resistant material. For better protection, the fuse housing is flame retardant and has passing UL, CSA, and RoHS certifications. The fuse is also designed to meet the standards set by the IEC 60269 related to fuse equipment.

The working principle of the BK/S501-V-125-R is simple. The fuse is made up of two parts, the metal conductor and the nonmetallic tube. The metal conductor is the "working mechanism" of the fuse, as it carries the current load and melts when the current reaches a certain level. The nonmetallic tube is filled with metal-oxidizing material which, upon melting of the metal conductor, dissipates heat and prevents the release of flame or sparks. When the current overloads the metal rod, it will melt, causing the current to be diverted and the circuit to be interrupted. After the overload has been removed, the fuse will then reset itself and the circuit can function normally again.

The BK/S501-V-125-R is an ideal device for overcurrent protection in circuits that do not require a permanent shutdown of the circuit. Its compact design and ease of installation make it suitable for both consumer and industrial applications. Furthermore, its ability to reset itself after a short period of time make it a reliable and cost-effective solution for situations in which frequent circuit overloads may occur.

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