5SY8463-8BB08 SIEMENS

The 5SY8463-8BB08 is a 4-pole miniature circuit breaker (MCB) designed and manufactured by Siemens. It is engineered for reliable circuit protection in industrial and commercial applications. This MCB has a voltage rating of 400V and a high short-circuit breaking capacity of 20kA, ensuring effective protection against overcurrents and short circuits. The device is rated for a current of 63A, suitable for protecting circuits with moderate to high current demands. Its compact design, with a depth of 70mm, allows for installation in space-constrained environments. The 5SY8463-8BB08 features magnetic tripping characteristics, providing instantaneous protection against short circuits. This MCB is specifically designed to respond quickly to sudden surges in current, minimizing potential damage to equipment and wiring. It is ideal for applications where fast and reliable short-circuit protection is critical. The 4-pole configuration allows it to protect four separate circuits or three-phase systems with a neutral conductor. This Siemens MCB offers a robust and dependable solution for safeguarding electrical installations.