摘要：TDK集团推出新型HVC200A双极型高压直流接触器，可用于开断直流电压和电流，其工作电压最高可达450V，续流可高达200A。断开直流负载所产生的电弧可在密闭的开关室内部通过灭弧气体实现快速安全的中断。
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