3NA7244-6 SIEMENS

The 3NA7244-6 is a low-voltage High Rupturing Capacity (HRC) fuse element designed and manufactured by Siemens. It belongs to the NH2 size category, a standardized dimension for easy installation and replacement in compatible fuse bases and holders. This fuse is rated for an In (rated current) of 250 Amperes, making it suitable for protecting circuits and equipment against overcurrents up to this level. It features a gG characteristic, indicating it provides full-range protection for general applications, safeguarding against both overload and short-circuit currents. The fuse is designed for use in AC systems with a rated voltage (Un AC) of 690 Volts and DC systems with a rated voltage (Un DC) of 440 Volts. A combined indicator visually signals when the fuse has blown, simplifying troubleshooting and reducing downtime. The live grip lugs facilitate safe and easy handling during installation and removal, even when the system is energized (though de-energizing is always recommended for safety). This HRC fuse is ideal for protecting electrical installations, distribution boards, and various industrial equipment from damage due to overcurrents, ensuring reliable and safe operation. Its robust design and clear indication features make it a dependable choice for a wide range of applications. Siemens is a trusted brand known for quality and reliability in electrical protection.