YBRM5DC-630 series DC circuit breaker

YBRM5DC-630 series DC circuit breaker is a high-performance protection device developed for medium and high power DC power distribution scenarios.The series is available in 3P and 4P poles, with rated operating voltages covering DC750, DC1000, and DC1500V, rated insulation voltages up to 1500V, and rated shock withstand voltages of 8kV. The rated current range is wide, from 250A to 630A, and the short-circuit breaking capacity is divided into N type, H type, and the rated limit short-circuit breaking capacity is up to 50/15kA, and the rated operating short-circuit breaking capacity is the same as the ultimate breaking ability. Mechanical life 20000 times, electrical life 10000 times, equipped with thermal magnetic tripper, long delay (0.7-1.0) In±20%, instantaneous (5-10) In±20% (some models 10In±20% not adjustable), flexible installation method supports fixed type, plug-in type, with isolation function, clear marking of inlet and outlet lines, flying arc distance of 0, adapting to a v…

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