Leadshine 57HS09 2-phase Hybrid Step Stepper Motor 54mm Long 1.8 Step 0.9NM

Features
2 phase 1.8° stepping angle
NEMA 23
Holding toque of 0.9 N*m  (127.4  oz-in)
High precision
Smooth movement
Low motor heating
Low movement noise

The 57HS09 two-phase stepper motor is suitable for a wide range of motion control applications. Terminated with 8 motor leads, the motor can be connected in a few different ways, including bipolar series , bipolar parallel and unipolar.

(a) 57HS09 series connection (8 leads)

(b) 57HS09 parallel connection (8 leads)

(c) 57HS09 unipolar connection (8 leads)