5SY4540-8 SIEMENS

The 5SY4540-8 is a miniature circuit breaker (MCB) manufactured by Siemens, designed for reliable overcurrent and short-circuit protection in electrical circuits. It is engineered to operate at a voltage of 230V with a high breaking capacity of 10kA, ensuring it can handle substantial 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 or motor applications. The rated current for this MCB is 40A, indicating the maximum current it can continuously carry without tripping under normal operating conditions. With a compact design and a depth of 70mm, the 5SY4540-8 is easy to install in distribution boards and consumer units. It provides dependable protection against overloads and short circuits, preventing damage to equipment and minimizing the risk of electrical fires. This MCB is ideal for use in residential, commercial, and industrial applications where reliable circuit protection is essential. Siemens is a trusted brand known for its high-quality electrical products, ensuring the 5SY4540-8 meets stringent safety standards and delivers long-lasting performance. Its robust construction and precise engineering make it a dependable choice for protecting electrical circuits and equipment.