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Miniature circuit breaker 277 V 10 kA, 1-pole, D, 0.3 A, in accordance

  1. SIEMENS 5SJ4114-8HG42 4230157
Circuit breaker 10kA, 1-pole, D, 0.3 A according to UL 489-277V 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.