Siemens 5SY4250-6

The miniature circuit breaker, designated with a trip characteristic of B, operates with a rated current of 50 A and a voltage of 480 VAC. With a width of 36 mm and a depth of 70 mm, this device is designed to fit within compact electrical installations.

Compliant with UL 1077 standards, the product is suitable for use in various industrial applications, providing reliable circuit protection. It supports a pollution degree of 3 and features a robust breaking capacity of 10 kA at 400 V, ensuring effective interruption of electrical circuits under fault conditions.

Additional specifications include a rated impulse withstand voltage of 4 kV and an operational temperature range from -40 °C to 70 °C, making it versatile for different environmental conditions. The circuit breaker has a mechanical service life rated for up to 10,000 operating cycles.

Designed for ease of installation, it is compatible with various conductor sizes, accommodating solid-core and multi-wired connections from 0.75 mm² up to 35 mm². The product also adheres to environmental standards including IEC / EN 60898-1 and IEC / EN 60947-2, and is marked with UL file E116386 in Vol. 1 Sec. 2.