Description
The Siemens 5SY4620-8 is a robust and reliable Miniature Circuit Breaker (MCB) from the SENTRON series, engineered for superior electrical protection in demanding industrial environments. This 3+N pole device is rated at 20A with a Curve D tripping characteristic, which is specifically designed to handle high inrush currents commonly found in motor starting applications, transformers, and other inductive loads. It boasts a significant breaking capacity of 5 kA at 400V AC and 72V DC, ensuring swift and safe disconnection during fault conditions.
Designed by Siemens for consistent and dependable performance, the 5SY4620-8 provides essential protection against overloads and short circuits. Its precision-engineered tripping mechanism ensures accurate fault detection, safeguarding connected equipment and preventing potential hazards. The robust construction of this MCB guarantees longevity and reliable operation even under strenuous conditions, making it a trusted component in electrical distribution systems.
This Siemens MCB is crucial for protecting circuits in a wide array of applications, including industrial machinery, control panels, and power distribution systems where reliable overcurrent protection for high-inrush loads is paramount. The Siemens 5SY4620-8 contributes significantly to overall system safety by preventing damage caused by electrical faults, thereby minimizing downtime and associated costs.
Invest in the Siemens 5SY4620-8 for dependable circuit protection you can trust. Its combination of high breaking capacity, appropriate tripping curve for inductive loads, and durable design makes it an indispensable component for ensuring the safety and efficiency of your electrical infrastructure. Secure your systems with Siemens’ proven reliability.







