LDA drive device is for electric single-girder crane supporting a new cart device drivers, is LD1 type can be modified to ZDYD21 motor has 4-0.8 KW, ZDYD22-4-1.5 KW tapered brake motor, or ZDRD100-4-1.5 KW cone of brake motor rotor winding using this device matching accessories for phi 300 phi 400LD wheelset car, this device wheel simple, small volume, low noise, appearance generous, use safety

The running speed of the smooth, easy installation and maintenance, high starting torque, but frequent starting, etc. 

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