The 170N2220 is a high-speed cylindrical fuse without striker (uR) designed for electrical protection applications. It measures 22x58 mm and is rated for a voltage of 690 Vac with a current capacity of 20A. This fuse is specifically engineered to protect power semiconductors and DC circuits, offering very high breaking capacity up to 300 kA and strong fault current limitation. Its design ensures improved safety by containing the energy released during fuse blowing, making it suitable for demanding electrical environments.
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