FM09A250V1A

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FM09A250V1A Application Field and Working Principle

The FM09A250V1A is a fast-acting fuse designed specifically for use in electrical systems, specialty fuses, and other applications where reliable and quick overcurrent protection is required. The FM09A250V1A is a 3/4" x 1-3/4" DIN-sized fuse, available in both rated and ampere fast-acting and slow-blow rating configurations.

The FM09A250V1A possesses a quick-acting response time to protect against short-circuits with a high breaking capacity, making it an ideal choice for use in applications that require reliable and fast-acting protection. It is also configured with an anti-runback feature to prevent the fuse from running back against a closed circuit if an overcurrent situation occurs.

The FM09A250V1A is available with ratings from 5 to 25 amperes, and with 4 time-delay configurations: fast-acting, 100 msec slow-blow, 250 msec slow-blow, and 500 msec slow-blow. It features up to 130V AC and 180V DC voltages and is rated for up to 20KA interrupting capacity. The FM09A250V1A is made of a nickel-plated zinc alloy, and is UL and cUL-listed.

FM09A250V1A utilizes a plunger principle for its operation. As current passes through the element within the fuse, the heat of the wire increases and causes the plunger to melt and open, stopping the flow of current and protecting the circuit. When the fuse is triggered, it permanently changes its shape, and is not able to reset in order to protect the same circuit again. Therefore, if the fuse is triggered, it must be replaced in order to restore protection.

The FM09A250V1A is designed for use in residential ovens, dryers, air conditioners, control systems, and other applications that require reliable overcurrent protection. It is an ideal choice for use in the automotive industry due to its quick-acting response and high breaking capacity. In addition, it is an economical choice for industrial and commercial applications and can be used in place of traditional fuses to reduce replacement costs.

The FM09A250V1A is an excellent choice for any application that requires quick and reliable overcurrent protection. Its quick-acting response time and high breaking capacity make it an ideal choice to protect against short-circuits and surges. It is also an economical choice for industrial and commercial applications due to its low replacement costs and longer life expectancy.

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