Unipolar Hybrid Stepper Motor Voltage, torque, speed, current, power and output shaft dimension can be customized. ModelStep AngleVoltage (V)Current (A)Resistance (Ω)Inductance (mH)Holding Torque (mNm)Rotor Inertia (gcm²)Weight (g) SHU4034-185001.8120.245032137.324200 SHU4234-180751.84.880.657.5798.124200 SHU4240-183001.8120.43025274.632260 SHU4248-183001.8120.43025313.840250 SHU5841-183201.8120.383230288.360450 SHU5851-180311.841.33.14.4480.5118600