Since the SPD device is located at the intersection point of many pieces of equipment, it is a very cost-effective approach since it is not often necessary to protect individual pieces of equipment.
Since the SPD device is located at the intersection point of many pieces of equipment, it is a very cost-effective approach since it is not often necessary to protect individual pieces of equipment.
由于SPD被安装在许多设备的交汇点，因此这种方法非常经济而有效，没有必要经常性单独保护单个的设备。