Siemens Mini circuit breaker, 1-pole, 230/400V, 10kAProduct Overview The Siemens 5SY4106 7 is a high performance miniature circuit breaker designed for reliable electrical protection in residential and light commercial low current applications. This compact 1 pole circuit breaker features a 6 A current rating with 230 400 V operational voltage and enhanced 10 kA breaking capacity, making it ideal for protecting low current single phase electrical circuits, lighting systems, control equipment, and