3NA7122 SIEMENS

The 3NA7122 Siemens is a low-voltage High Rupturing Capacity (HRC) fuse element designed for robust circuit protection. It belongs to the NH1 size category, a standardized form factor ensuring compatibility with various fuse bases and holders. This fuse is rated for an In: 63 A current, making it suitable for protecting circuits with a nominal current of 63 Amperes. It features a gG characteristic, indicating it provides full-range protection against both overload and short-circuit currents. The fuse is designed for Un AC: 500 V alternating current applications and Un DC: 440 V direct current applications, offering versatility in different electrical systems. A combined indicator visually signals when the fuse has blown, simplifying troubleshooting and maintenance. Live grip lugs facilitate safe and easy installation and removal, even when the circuit is energized (with appropriate safety precautions). This HRC fuse ensures reliable and rapid disconnection of faulty circuits, preventing damage to equipment and minimizing downtime. It is ideal for use in industrial, commercial, and residential applications where reliable overcurrent protection is crucial. Siemens is a trusted brand known for high-quality and dependable electrical components.