NEMA 17 Closed loop Worm Reducer Motor: This compact geared closed-loop stepper motor has a frame size 42-48mm with rated current 2.0A, integrated with a WG series worm reduction gearbox & a 1000PPR 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 and self-locked function.
NEMA 17 Closed loop Worm Reducer Motor Specification
- Part Number: 42AI48EC-WG
- Step Angle: 1.8deg w/o gearbox
- Bi/Unipolar: Bipolar
- Holding Torque: 0.59Nm w/o gearbox
- Rated Current/phase: 2.0A
- Insulation Class: B 130°C
- Frame Size: 42x42mm
- Motor Length: 48mm
- Number of Leads: 4
- Lead Length: 1000mm
- Encoder Type: Incremental Optical
- Encoder Resolution: 1000PPR
- Gearbox Type: Worm
- Gear Ratio: 4-500:1
- Efficiency: 80%-60%
- Backlash at No-load: 3deg-5deg
- Gearbox Length: 64mm
- Shaft Diameter: Φ8mm
- Shaft Length: 15mm
- Keyway Length: 13mm
Overall Size

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