Siemens SENTRON 5SY4 MCB, 3P, 4A, Type A, 400V AC, 60V DC, 35 kA Breaking Capacity

The Siemens Miniature Circuit Breaker is engineered for performance and reliability, marked by its 3-pole design and robust tripping characteristics. Offering a rated operational current of 4 A, this breaker stands out in industrial and infrastructure applications, ensuring protection for electrical circuits in a variety of environments. It operates efficiently at a maximum voltage of 400 V AC and boasts a high breaking capacity, suitable for demanding conditions. With a mechanical service life of up to 10,000 cycles, this product is designed to withstand the rigours of everyday usage whilst maintaining safety and efficiency. Compliance with stringent international standards further highlights its robustness, making it an essential component for electrical installations where reliability is paramount.

Offers touch protection for enhanced safety
Designed with halogen-free materials to minimise environmental impact
Features a combined terminal design for versatile installation
Built according to established international standards for dependable performance
Equipped with a flexible conductor cross-section for easy integration
Ensures reliable operation across a wide temperature range
Constructed to ensure minimal power loss during operation