Stepper Motor Nema 17, Nema 17 Stepper Motor 4-lead 1.8 Deg 40N.cm Holding Torque 1.7A 42 Motor for 3D Printer Hobby CNC Router XYZ By Beauty Star

product description:

Description:
Motor type: Bipolar Stepper
Motor Length: 40mm
Phase Resistance: 1.5Ohm
Phase Inductance: 2.8mH
Detent Torque: 2.2N.cm
Rotor Inertia: 54g.cm2
Holding Torque: 40N.cm
Motor Weight: 280g
Step angle: 1.8 deg
Step angle accuracy: + - 5%(full step, not load)
Resistance accuracy: + - 10%
Inductance accuracy: + - 20%
Temperature rise: 80deg Max(rated current, 2 phase on)
Ambient temperature -----------20deg ~+50deg
Insulation resistance: 100MΩ Min, 500VDC
Insultion Strength--------500VAC for one minute

Connection:
Yellow(A+), Green(A-), Red(B+), Blue(B-)

Warning:
Make sure the motor connect to a constant current or chopper drive controller before you test motor.
Connecting the motor directly to a power supply will destroy the motor.

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