其特殊磁极适合于不同直径的盘圆，电磁铁的选择取决于盘圆的长度，如电磁铁足够长，则一次可沿长度方向吊运几卷盘圆。
The special magnetic pole is suitable for coiled bar with different diameter.The choice of electromagnet depends on the length of coiled bar.If the electromagnet is long enough,it can lift several coils of coiled bar in direction of the length at a time.
常温型技术参数Technical data for normal temperature type DC-220V,TD-50%
