FERRAZ SHAWMUT's A50P40-4 Amp-Trap Form 101 Semiconductor Protection fuses provide superior protection and reliability for DC drives, uninterruptible power supplies, and similar applications. These fuses are engineered with a low I2t characteristic to minimize damage to protected components during short circuits and a controlled arc voltage to reduce stress on circuit components. Available in a range of mounting types, the A50P series offers flexibility in equipment design and is a common replacement fuse. They are UL Recognized Components and suitable for applications requiring fast acting current limiting and protection up to 500 volts.