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Siemens 5SU1656 Series Ground Fault Circuit 1 Pole N, Tripping Characteristic B Siemens 5SU1656 6KK20, The Siemens 5SU1656 6KK20 is a Residual Current Operated Circuit Breaker RCCB of Characteristic Type B. This 20A circuit breaker is suitable for use in three phase current systems before input circuits with rectifiers. With Type B, the tripping characteristic is adapted to suit the increase of leakage currents at higher frequencies in systems with capacitive impedances, thus ensuring greater operating safety.Applications include frequency converters, medical devices and UPS systems. Siemens 5SU1656 6KK20 Ground fault circuit 1 pole N B20 A 0.3
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