NEMA 17 closed loop stepper motor 0.9degree step angle has a size 42-48mm, equipped with a 1000cpr incremental optical encoder, has a rated current of 2.0A and a holding torque of 0.44Nm. It offers higher accuracy, higher output torque, higher speed, lower motor heating, lower power consumption, and faster response to drive controllers compared to open loop stepper motors. Recommend drive: Leadshine CL42C Closed-Loop Stepper Motor Drive
NEMA 17 closed loop stepper motor 0.9degree Specification

- Part Number: 42AI48EC-1000M
Step Angle: 0.9deg
Bipolar/Unipolar: Bipolar
Holding Torque: 0.44Nm
Rated Current/phase: 2.0A
Driving Voltage: 12-24VDC
Frame Size: 42x42mm
Body Length: 68mm
Shaft Diameter: Φ5mm
Shaft Length: 24mm
D-cut Length: 15mm
Encoder Type: Incremental Optical
Encoder Resolution: 1000CPR
A small tip:
A stepper motor with a 0.9-degree step angle means it rotates its shaft by 0.9 degrees for each electrical pulse it receives. This translates to higher resolution compared to many standard stepper motors which typically have a 1.8-degree step angle.
Overall Size

Motor 4 Leads Connection: A+(Black), A-(Green); B+(Red), B-(Blue)
Encoder 6 Leads Connection: A+(Black), A-(Blue); B+(Yellow), B-(Green), 5V(Red), GND((White)
If you need a PDF data sheet, please send an email to: info@frankhumotor.com!
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