3 Units Servo Motors 1HU Siemens 3104 0A501-Z servo motor / Perm. Mot Magn. 540mm x190mm x190mm speed 2000 1/min Driving power 4.3 kw Internal Reference. 100 Siemens 1HU 3102 0AH01-Z servo motor / Perm. Mot Magn. 470mm x190mm x190mm speed 2000 1/min Driving power 2.5 kW Internal Reference. Siemens 1HU 101 3102 0AH01-Z servo motor / Perm. Mot Magn. 470mm x190mm x190mm speed 2000 1/min Driving power 2.5 kW Internal Reference. 102 The motors can also be purchased several at once.