5SY4550-8 SIEMENS

The 5SY4550-8 is a miniature circuit breaker (MCB) manufactured by Siemens, designed for reliable overcurrent and short-circuit protection in electrical circuits. It has a rated voltage of 230V and a high breaking capacity of 10kA, ensuring effective interruption of fault currents. This MCB features a 1+N pole configuration, meaning it protects one phase and the neutral conductor. It has a D-curve tripping characteristic, making it suitable for circuits with high inrush currents, such as those found in inductive loads and motors. The rated current is 50A, indicating the maximum current the breaker can continuously carry without tripping under normal operating conditions. Its compact design, with a depth of 70mm, allows for space-saving installation in distribution boards and consumer units. The 5SY4550-8 provides reliable protection against overloads and short circuits, enhancing the safety and reliability of electrical installations. It is suitable for use in residential, commercial, and industrial applications. This MCB is designed to meet relevant industry standards, ensuring compliance and safety. It offers a dependable solution for safeguarding electrical circuits and equipment.