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Miniature circuit breaker, 400 V, 4P, Icu: 20 kA, D-Char, In: 63 A

  1. SIEMENS 5SY8463-8 4035455
Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 4P, D63 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.