Miniature circuit breaker 480 Y/277 V 10 kA, 2-pole, C, 5 A, in accord

Circuit breaker 10kA, 2-pole, C, 5A according to UL 489-480Y/277V The miniature circuit breaker is the fuse for short-circuit protection. https://www.siemens.com/global/en/home/products/energy/low-voltage/components/sentron-protection-devices/miniature-circuit-breakers.html. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, distribution systems as well as switches and sockets for safe and efficient electrical infrastructure in buildings and industry.