Siemens 5SY6663-8



The Siemens 5SY6663-8 is a reliable circuit breaker designed for electrical systems requiring a 63-amp rating and a 400V operating voltage. This model features a 3+N pole configuration, providing enhanced protection for multi-phase circuits. With a breaking capacity of 6kA, it ensures safe interruption of fault currents. The breaker is built with screw terminals for secure wiring connections and is compatible with standard DIN rail mounting, making installation straightforward. Available through BSP Automation, this circuit breaker is well-suited for industrial and commercial electrical distribution applications.
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