Description
The Siemens 5SY7405-8 is a premium Miniature Circuit Breaker (MCB) from the SENTRON series, engineered to deliver superior circuit protection in demanding electrical installations. This 4-pole MCB is rated for 500mA with a Curve D tripping characteristic, making it ideal for applications requiring higher inrush current handling without nuisance tripping. Featuring a robust 400V AC operating voltage and an impressive 50 kA breaking capacity, the Siemens 5SY7405-8 provides reliable defense against dangerous overcurrents and short circuits. It is a critical component for ensuring electrical safety.
Built to the exacting standards of Siemens, this MCB offers exceptional reliability and longevity. Its design prioritizes user safety and system integrity, ensuring that it performs consistently under various load conditions. The 4-pole configuration ensures complete isolation of all phases, a crucial safety feature in many industrial and commercial settings. The Siemens 5SY7405-8 is a testament to Siemens’ commitment to providing high-performance protection devices.
This Siemens MCB is ideally suited for protecting circuits in distribution boards, control panels, and machinery where reliable overcurrent protection is essential. Its Curve D characteristic makes it particularly useful for circuits with inductive loads that typically draw high starting currents, such as motors and transformers. The Siemens 5SY7405-8 ensures that your equipment is shielded from electrical faults, minimizing the risk of damage and downtime.
Choosing the Siemens 5SY7405-8 means investing in a certified and high-performance circuit protection solution. This premium MCB guarantees the safety and reliability of your electrical systems. Secure your installations with the trusted protection offered by this advanced Siemens device.







