NEMA 23 Motor with Brake and Encoder: These frame size 57-57mm series NEMA 23 closed loop stepper motors, equipped with a 1000PPR incremental optical encoder & 24v electromagnetic brake, have strong holding torque 1.2Nm, 2.2Nm and 3Nm. These high performance motors are an definitely ideal choice for the applications that require frequently stop and run or vertical working.
NEMA 23 Motor with Brake and Encoder Specification
- Step Angle: 1.8deg
- Bipolar/Unipolar: Bipolar
- Driving Voltage: 24-48VDC
- Insulation Class: B 130°C
- Frame Size: 57x57mm
- Shaft Diameter: Φ8mm
- Shaft Length: 21mm
- Encoder Type: Incremental Optical
- Encoder Resolution: 1000PPR
- Brake Type: Electromagnetic
- Brake Voltage: 24VDC
- 57AI56EC-YS: 1.2Nm, 3.5A, total length 115mm
- 57AI80EC-YS: 1.2Nm, 3.5A, total length 139mm
- 57AI112EC-YS: 1.2Nm, 3.5A, total length 171mm
Overall Size

Motor Wiring Connection: Black: A+, Green A-; Red: B+, Blue: B-
Encoder Wiring Connection: 5V: Red, GND: White; EA+: Black, EA-: Blue; EB+: Yellow, EB-: Green
Brake Wiring Connection: Red: 24V+, Black: 24V-
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