Siemens 5SY4263-8

The miniature circuit breaker features a two-pole design with a rated current of 63 A and operates at a voltage of 480 VAC. It adheres to the UL1077 standard and is classified under the IEC mini circuit breaker category. With a compact width of 36 mm and a depth of 70 mm, it fits well within standard installations.

This device is designed to withstand pollution degree 3 environments and offers a degree of protection rated at IP20. It has a mechanical service life of approximately 10,000 operating cycles, ensuring durability in various applications.

Rated for a short-circuit breaking capacity of 10 kA at 400 V according to EN 60898, it also supports a short-circuit breaking capacity of 15 kA per IEC 60947-2 standards. The operational temperature range extends from -40 °C to 70 °C, making it suitable for diverse environmental conditions.

Additional features include touch protection and the capacity for supplementary devices installation. The product complies with environmental standards, with low global warming potential values during both manufacturing and operation. The designation code for this model is 5SY4.