Siemens Miniature circuit breaker, C-curve, 3-pole, 400V, 10AProduct Overview The Siemens 5SY4310 7 is a Siemens SENTRON 5SY4 miniature circuit breaker, 3 pole, 10 A, with C characteristic and a 10 kA breaking capacity. It provides reliable overload and short circuit protection in three phase AC electrical installations and is suitable for distribution boards, motor circuits, control panels and industrial electrical systems requiring dependable multi pole protection. Key Features Three pole miniature circuit