Miniature circuit breaker, 400 V, Icn: 10 kA, 4P, C-Char, In: 40 A, un

Circuit breaker Universal current 880 V DC 400 V AC 10kA, 4-pole, C, 40 A max. 1000 V DC 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.