3D Printer Motors, Nema 17 Stepper Motor,40Mm High Torque Bipolar Dc Step Motor Kit, 0.46Nm Low Noise 42 2-Phrase Universal Electric Motor Dc Motor For 3D Printer Engraving

low self-inductance reactance, responsive and can avoid system error.LOW NOISE: stepper motor kit is made with introduced German craftsmanship and there is rotor rubber covering the rotor, effectively reduce the noise.DURABLE & TOUGH: tough and durable. And the matte texture in the side wall can increase friction.WIDE APPLICATION: This small motors can be used in various area, such as stage lighting; engraving; textile machinery; equipment; placement machine; non-standard equipment; 3D printer; automation equipment, and etc..Product name: Bipolar 42 Stepper MotorHolding torque: 0.46 Nm/ 65 oz-inWorking voltage: DC 9-42VRated current: 1.7AResistance: 2.1 ohmInductance: 4mHRotor inertia: 55gcm2/ 0.30oz-in2Weight: 0.28kgPhrase: 2Step angle: 1.8 degreeWiring:Black (A+); Green (A-); Red (B+); Blue (B-)Application:Stage lighting; engraving; textile machinery; equipment; placement machine; non-standard equipment; 3D printer; automation equipmentcolour:blackMaterial:metalsize:42x42x40mmPackage Contents:1* 42*42*34 stepper motor1* Link lineWarm Tips:Please note that this motor cannot be connected to the power supply directly. It should be connected to a constant current driver, otherwise, it will destroy the motor.Please ensure that the output current is not higher than the rated current of the motor (1.7A) or exceed the working voltage range of the motor (DC 9-42V).Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.