Siemens SENTRON 5SY4 MCB, 4P, 3A Curve D, 400V AC, 72V DC, 5 kA Breaking Capacity | 5SY4403-8

Description

The Siemens 5SY4403-8 is an advanced Miniature Circuit Breaker (MCB) from the reliable SENTRON series, designed to provide robust protection for a variety of electrical circuits. This 4-pole device is rated at 3 Amps and features a Curve D tripping characteristic, making it particularly suitable for applications with high inrush currents, such as motor starting. It is designed for use in 400V AC systems and also offers protection for 72V DC circuits.

With a significant breaking capacity of 5 kA, the Siemens 5SY4403-8 ensures rapid and effective interruption of fault currents, thereby safeguarding connected equipment and preventing potential electrical hazards. Its 4-pole design provides complete isolation for three-phase circuits or allows for simultaneous switching of multiple conductors in AC or DC applications. This Siemens MCB is built to meet stringent safety and performance standards.

The Siemens 5SY4403-8 is an excellent choice for applications in industrial automation, motor control panels, and distribution boards where reliable protection against overloads and short circuits is essential. The Curve D characteristic ensures that the MCB will not trip during normal motor start-up surges but will still provide swift protection against dangerous fault conditions. The Siemens 5SY4403-8 offers peace of mind.

Choose the Siemens 5SY4403-8 for advanced and dependable circuit protection. Its robust design, dual AC/DC capability, and specific tripping characteristics make it a versatile and essential component for safeguarding your electrical infrastructure. Trust Siemens for high-performance MCBs.