5SY8420-8 SIEMENS

The 5SY8420-8 is a four-pole miniature circuit breaker (MCB) manufactured by Siemens, designed for reliable circuit protection in various applications. It has a D-curve tripping characteristic, making it suitable for circuits with high inrush currents, such as those found in inductive loads and motor circuits. This MCB is rated for an operating voltage of 400V AC, ensuring compatibility with standard power distribution systems. With a compact design and a depth of 70mm, the 5SY8420-8 can be easily installed in distribution boards and control panels where space is limited. It offers a high breaking capacity of 25kA according to EN 60947-2, providing effective protection against short-circuit faults. The MCB is designed to protect electrical installations from overload and short circuits, preventing damage to equipment and reducing the risk of electrical fires. It is suitable for use in residential, commercial, and industrial applications. The 5SY8420-8 provides reliable and safe operation, ensuring the continuity of power supply. It is a crucial component for electrical safety and protection. This MCB is a reliable choice for protecting electrical circuits and equipment.