STEPPERONLINE Nema 17 Stepper Motor Bipolar 1.8 deg 65 Ncm 2.1 A 42 x 60 mm 4 Wires for 3D Printer/DIY CNC

This is the strongest bipolar Nema 17 stepper motor we have, with step angle 1.8deg and size 42x42x60mm.It has 4 wires, each phase draws current 2.1 A, with holding torque 65 Ncm (92 oz.in).100% brand new from Stepperonline and RoHS and CE certified.Electrical specification: * Manufacturer Part Number: 17HS24-2104S * Motor type: bipolar * Step Angle: 1.8 degree * Holding torque: 65 Ncm (92 oz).* Rated current/phase: 2.1 A.* Phase resistance: 1.6ohms * Voltage: 3.36V * Inductance: 3.0mH±20%(1KHz) Physical specification: * Frame size: 42 x 42 mm.* Body length: 60 mm.* Shaft diameter: 5 mm.* Shaft length: 24 mm.* D-cut length: 15 mm.* Number of leads: 4.* Lead rotation: 500 mm.* Weight: 500g Connection: Black (A +), Green (A-), Red (B +), Blue (B-).Warning: * As a stepper motor, it should be connected to a constant current or chopper driver.If you connect the motor directly to a power supply, the motor will be destroyed.* Please pay attention to order four wire coils when you connect to the driver, or it will damage your driver.'