Stepper Motor, Nema 17 Stepper Motor 4-lead 1.8 Deg 40N.cm Holding Torque 1.7A 42 Motor with Motor Mounting Bracket and Screws for 3D Printer/CNC

Size:40N.cm torque Feature: (1) Nema 17 Stepper Motor: 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: 100M? Min, 500VDC Insultion Strength--------500VAC for one minute Connection: Yellow(A+), Green(A-), Red(B+), Blue(B-) (2) Mounting Bracket: Durable with alloy steel material. Strong mounting. Easy to install. Powder coated finish. 90 degrees - mounting bracket. Fit for 42mm NEMA17 stepper motor. Package Included: 1 x Nema 17 Stepper Motor 1 x Mounting Bracket 4 x M3 Screws for bracket 4 x M4 Screws for bracket 2 x Inner Hexagon Spanner Warm Reminder: Please 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.