Geeetech® Nema 17 42 BYG Shaft-reversed Stepper Motor For 3D Printer CNC Machines

Descriptions This is a shaft reversed stepper motor that is frequently used in CNC machines and 3D printers The advantages of step motors are low cost high reliability high torque at low speeds and a simple rugged construction that operates in almost any environment They are typically digitally controlled as part of an open loop system for use in holding or positioning applications This is a Nema 17 stepper motor with a 1 7 x 1 7 inch 43 2 x 43 2 mm faceplate The Nema 17 is larger and generally heavier than for example a Nema 14 but this also means it has more room to put a higher torque However its size is not an indication of its power Specifications 2 PhasesStep Angle 1 85 degree phaseVoltage 4 2V DCCurrent 1 2A phaseResistance 8 810 phaseInductance 6 0mH20 1kHz 1V rms Lead style AWG26 UL1007Comes with 70cm 4 Lead WireHolding torque 40N cm MinDetent torque 2 6N cm Maxinsulation resistance 100M Min DC 500V Insulation class B 130C Rotor torque 57g cm 2 Weight 280gMore info can refer to here Package Included 1x Geeetech Stepper Motor