The 16764 residual current circuit breaker (RCCB) is a 4-pole device designed for electrical protection in residential or commercial installations. It features a rated current of 125A and a residual current sensitivity of 300mA, providing type B protection. The device is suitable for mounting on a DIN rail and operates at a rated voltage of 400V AC, compatible with both 50Hz and 60Hz networks. It supports solid-core conductors with cross sections ranging from 1.5 mm² to 50 mm². The 16764 is equipped with a rated conditional short-circuit current of 10kA, ensuring reliable performance in protecting circuits from earth faults.
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