ABD 8 eletronic synthetical protection is a new motor protection which is designed to replace JDB protector for improving application of series QC magnetic staters in vauum as continuous developing of flame-proof electric appatas in recent years.

• ABD8 电子综合保护器是近几年来随着防爆电器的不断发展而设计的一种取代原JDB保护器对 QC系列磁力起动器进行真空改造应用的新型电机保护装置。