NJBK9-50,NJBK9-50T,NJBK9-50M,NJBK9-50TM,NJBK9-200,NJBK9-200T,NJBK9-200M,NJBK9-200TM,电动机保护继电器|产品总汇|无锡市昌林自动化科技有限公司手机版

NJBK9-50,NJBK9-50T,NJBK9-50M,NJBK9-50TM,NJBK9-200,NJBK9-200T,NJBK9-200M,NJBK9-200TM,电动机保护继电器
GB 14048.4、IEC 60947-4-1。