Description
The Siemens 5SY8404-8 is a high-performance, industrial-grade 4-pole Miniature Circuit Breaker (MCB) belonging to the trusted SENTRON series. This MCB is specifically designed with a 4A rating and a Curve D tripping characteristic, making it ideal for applications that experience high motor starting currents or other significant inrush loads. It provides reliable protection for both 400V AC and 60V DC circuits.
Engineered for maximum safety and reliability, the Siemens 5SY8404-8 boasts an impressive 50 kA breaking capacity. This substantial capability ensures that the MCB can safely interrupt fault currents, preventing damage to connected equipment and mitigating the risk of electrical fires. Its robust design and quality construction are hallmarks of Siemens’ commitment to electrical safety.
This 4-pole MCB offers comprehensive circuit protection, essential for industrial control panels, machinery, and power distribution systems. The Siemens 5SY8404-8’s precise tripping mechanism ensures that it only activates when necessary, minimizing nuisance tripping while providing robust defense against electrical faults. Its adherence to international standards further assures its dependable performance.
Choose the Siemens 5SY8404-8 for advanced and reliable overcurrent and short-circuit protection in your critical industrial applications. Its combination of a Curve D characteristic and high breaking capacity makes it a superior choice for safeguarding your electrical infrastructure.








