Features: EC mode electric crane has the following characteristics like compact, lightweight, small volume, convenient operation and etc. It can only be installed on the overhead of beam I1ndependently, but also on electric or manual single beam, double beam, jib arm, portal and other cranes. On thouse precise occasions, when the lifting speed of EC mode electric crane can't fully meet the requiremants, then EM mode double-speed electric crane should be adopted.
