Nema 14 Stepper Motor with High Precision Gearbox Gear Ratio 20:1 & Magnetic Encoder 1000PPR(4000CPR)

This motor is an upgraded version of motor 14HS11-1004D-PG19-AR4 and is the J6 motor in and AR4-MK3 kit. It is integrated with a higher precision planetary gearbox of 20:1 gear ratio and an 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: 14HS11-1004D-EGS20-AR4
• Motor Type: Bipolar Stepper
• Step Angle: 1.8deg
• Holding Torque without Gearbox: 12.5Ncm(17.7oz.in)
• Rated Current/phase: 1.0A
• Phase Resistance: 3.5ohms
• Inductance: 3.5mH ± 20%(1KHz)

Gearbox Specifications

• Gearbox Type: Planetary
• Gear Ratio: 20:1
• Efficiency: 94%
• Backlash at No-load: <=20arcmin
• Max. Permissible Torque: 8.5Nm(1203.7oz.in)
• Moment Permissible Torque: 17Nm(2407.4oz.in)
• Ambient Temperature: -10 - 500°C(14°F~122°F)
• Insulation Class: B 130°C[266°F]
• Temperature Rise: MAX.80°C

Encoder Specification

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

Physical Specifications

• Body Length: 77.5mm
• Motor Length: 28mm
• Gearbox Length: 49.5mm
• Front Shaft Diameter: Φ8mm
• Front Shaft Length: 20mm
• Key-way Length: 12mm
• Number of Leads: 4
• Lead Length: 500mm
• Weight: 0.38kg

Motor and Encoder Connection