在于电流和力矩、
旋转数的直线关系 如对电机增加负荷，则其旋转数下降，电流升高。如不考虑电机的发热，其值可视为满负荷。
（控制电流，则可以控制力矩）
9P1D36BH
9P1D40BH
9P1D50BH
9P1D60BH
9P1D75BH
9P1D90BH
9P1D100BH
9P1D120BH
9P1D150BH
9P1D180BH
9P1D200BH
9P1D250BH
9P2D3BH
9P2D3.6BH
9P2D5BH
9P2D6BH
9P2D7.5BH
9P2D9BH
9P2D10BH
9P2D12.5BH
9P2D15BH
9P2D18BH
9P2D20BH
9P2D25BH
9P2D30BH
9P2D36BH
9P2D40BH
9P2D50BH
9P2D60BH
9P2D75BH
9P2D90BH
9P2D100BH
9P2D120BH
9P2D150BH
9P2D180BH
9P2D200BH
9P2D250BH
9P3D3BH
9P3D3.6BH
9P3D5BH
9P3D6BH
9P3D7.5BH
9P3D9BH
9P3D10BH
9P3D12.5BH
9P3D15BH
9P3D18BH
9P3D20BH
9P3D25BH
9P3D30BH
9P3D36BH
9P3D40BH
9P3D50BH
9P3D60BH
9P3D75BH
9P3D90BH
9P3D100BH
9P3D120BH
9P3D150BH
9P3D180BH
9P3D200BH
9P3D250BH