5SY4303-7Overview of Siemens 5SY4303 7 Buy genuine Siemens 5SY4303 7 online today for your automation system. The Siemens 5SY4303 7 is a high quality miniature circuit breaker designed for reliable protection of electrical circuits. This 3 pole breaker supports a rated current of 3 A and operates efficiently at voltages up to 400 V. Ideal for protecting equipment from overloads and short circuits, it features a thermal magnetic trip mechanism with excellent
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