Equipped with professional stepper motor nema 17 series factory,Website:http://www.hybridservo.com/, Shenzhen ECON Technology Co.,Ltd is a leading stepper motor nema 17 series manufacturer and supplier.Technique FeatureInsulation resistance 500VDC100MΩ MinInsulating strength 500VAC 50Hz 1mA 1 MinEnvironment temperature -20~+40ºCTemperature rise 80ºC MaxInsulation grade BDimensionModelShaft diameter (mm)Shaft extension(mm)Shaft Length(mm)QL42HD40-01A5.0flat 0.5x1524QL42HD47-01A5.0flat 0.5x1524QL42HD60-01A5.0flat 0.5x1524Technical DataModelHolding torque(N.M)Current/Phase (A)Resistance (Ω)Inductance (MH)Rotary inertia(g.cm2)Length (MM)Weight(Kg)LeadThe matcheddriveQL42HD40-01A0.41.22.55.554410.304DH542/DH422QL42HD47-01A0.481.23.18.077490.364DH542/DH422QL42HD60-01A0.721.24.010.0110610.54DH542/DH422Torque-speed curveVoltage:24VDC Drive:DH542Motor wiring