NEMA 11 Precise Geared Closed loop Stepper Motor: This small geared closed-loop stepper motor has a frame size 28x28mm with rated current 1a, integrated with a HP series high precision planetary gearbox & a 1000cpr resolution incremental optical encoder. It is an an ideal choice for the applications that require high torque or low speed but high precision motion control and positioning feedback.
NEMA 11 Precise Geared Closed loop Stepper Motor Specification
Part Number: 28AI32EC-HP
Step Angle: 1.8deg w/o gearbox
Bi/Unipolar: Bipolar
Holding Torque: 0.07Nm w/o gearbox
Rated Current/phase: 1.0A
Frame Size: 28x28mm
Motor Length: 32mm
Number of Leads: 4
Lead Length: 500mm
Encoder Type: Incremental Optical
Encoder Resolution: 1000CPR
Gearbox Type: Planetary
Gear Ratio: 4-70:1
Efficiency: 96%-94%
Backlash at No-load: 10arcmin-15arcmin
Gearbox Length: 38mm-46.5mm
Shaft Diameter: Φ5mm
Shaft Length: 20mm
D-cut Length: 15mm
Overall Size
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