5SY4303-7 SIEMENS

The 5SY4303-7 is a miniature circuit breaker (MCB) manufactured by Siemens, designed for reliable circuit protection in residential, commercial, and industrial applications. This three-pole MCB is engineered to safeguard electrical circuits against overloads and short circuits, ensuring the safety of equipment and personnel. It has a rated voltage of 400V and a high breaking capacity of 10kA, allowing it to quickly interrupt fault currents and prevent damage to the electrical system. The MCB features a C-characteristic tripping curve, making it suitable for circuits with moderate inrush currents, such as lighting and general-purpose loads. With a rated current of 3A, this MCB is ideal for protecting low-current circuits. Its compact design, with a depth (D) of 70mm, allows for easy installation in distribution boards and control panels. The 5SY4303-7 MCB provides dependable protection and helps maintain the integrity of electrical installations. It conforms to relevant IEC standards, ensuring quality and safety. This device offers a balance of performance and reliability for diverse circuit protection needs.