3NA3820-7 SIEMENS

The 3NA3820-7 is a low voltage High Rupturing Capacity (HRC) fuse element designed and manufactured by Siemens. It belongs to the NH00 size, a standardized dimension for easy installation and replacement. This fuse is rated for a current of 50 Amperes (In: 50 A) and provides gG characteristic, meaning it is a full-range fuse suitable for protecting general applications against both overload and short-circuit currents. It is designed for AC systems with a rated voltage of 500V (Un AC: 500 V) and DC systems with a rated voltage of 250V (Un DC: 250 V). The fuse features a front indicator that visually signals when the fuse has blown, simplifying troubleshooting and maintenance. It also incorporates live grip lugs, which facilitate safe and easy handling during installation and removal, even when the system is energized (though de-energizing is always recommended for safety). The 3NA3820-7 fuse provides reliable and effective protection for electrical equipment and systems against overcurrents. Its robust design and clear indication features make it a dependable choice for various industrial and commercial applications. Siemens is a trusted provider of electrical protection devices, ensuring quality and performance.