Nema 11 Stepper Motor with High Precision Gearbox Gear Ratio 16:1 & Magnetic Encoder 1000PPR(4000CPR)

This geared motor is the J4 motor in AR4-MK2 kit. It is integrated with a higher precision planetary gearbox of 16:1 gear ratio and a encoder with 3 channels and 1000PPR(4000CPR) resolution. It has higher precision and can also meet the higher requirements for other applications.

Electrical Specification

• Manufacturer PartNumber: 11HS20-0674D-EGS16-AR4
• Motor Type: Bipolar Stepper
• StepAngle: 1.8deg
• Holding Torque without Gearbox: 14Ncm(19.83oz.in)
• Rated Current/phase: 0.67A
• Phase Resistance: 1.6ohms
• Inductance: 7.5mH ± 20%(1KHz)

Gearbox Specifications

• Gearbox Type: Planetary
• Gear Ratio: 16:1
• Efficiency: 94%
• Backlash at No-load: <=20arcmin
• Max. Permissible Torque: 4Nm(566.45oz.in)
• Moment Permissible Torque: 8Nm(1132.89oz.in)
• Max. Radial Load: 300N
• Max.Axial Force: 100N
• Ambient Temperature: -10 - 50℃
• Insulation Class: B 130°C[266°F]

Encoder Specification

• Output Circuit Type: Differential
• Encoder Type: Magnetic Incremental
• Encoder Resolution: 1000PPR(4000CPR)
• Output Signal Channels: 3 channels
• Supply Voltage Min: 3.3V
• Supply Voltage Max: 5.5V
• Output Current: 20mA
• Output HighVoltage: 5V
• Output LowVoltage: 0.2V
• Output Frequency Max: 400kHZ

Physical Specifications

• Body Length: 92.5mm
• Motor Length: 51mm
• Gearbox Length: 41.5mm
• Front Shaft Diameter: Φ7mm
• Front Shaft Length: 20mm
• Number of Leads: 4
• Lead Length: 500mm
• Weight: 338g

Motor and Encoder Connection