CD17 electromagnetic operating mechanism General description CD17 type electromagnetic operating mechanism is available for operating 10kV series indoor VCB.  Main Technical Data:   No. Item Data 1 Rated closing voltage -110,-220V 2 Rate opening voltage -48V,-110V,-220V 3 Output turning angle of mechanism 400~570 4 Overall dimension (H*W*D): 432*356*215(mm) 5 Weight 33kg