This multi-functional cardboard shredder standing device has rollers for mobile operation. It can turn bulky old cardboard of delivered goods into multi-functional packaging material at practically no cost. Integrated preparation for the connection of dust extraction systems The large motor ensures high throughput speeds and power reserves, which means it has no problems handling multiple layers. Thermal fuses on all three phases protect the motor from overheating. 3-phase power connection - 3 x 400 V. Rotary switch with the positions ON/OFF and REVERSE.