Siemens SENTRON 5SY8 MCB, 4P, 50A Curve D, 400V AC, 60V DC, 20 kA Breaking Capacity

The Siemens Miniature Circuit Breaker offers robust protection and reliability for electrical systems operating at 400 V. Designed in accordance with EN 60947-2, this 4-pole breaker excels with a breaking capacity of up to 25 kA, ensuring safety and efficiency in power distribution. The innovative design allows for straightforward installation on DIN rails and suits various mounting positions. With a mechanical service life rated for 10,000 cycles, it guarantees durability and extended use. Its compact dimensions of 90 mm in height and 72 mm in width promote efficient space usage, making it an ideal choice for both industrial and infrastructure applications. Whether for new installations or as a replacement, this circuit breaker represents cutting-edge engineering focused on user-friendly operation and maintenance.

Equipped with touch protection for enhanced safety during operation
Designed to accommodate both solid and stranded conductors for versatility in connectivity
Incorporates features compliant with EN 60204-1 for main switch utilisation
Offers halogen-free and silicon-free components for environmentally conscious installations
Supports a wide operational temperature range from -25 °C to 55 °C for diverse environments
Vibration resistant ensuring reliable performance in dynamic settings
Allows for combined terminal usage enhancing installation efficiency
Available with various supplementary devices for expanded functionality