Nema 17 JKISC42-R4A3 Integrated Linear Motion with Integrated Stepper Servo Motor 42x42x80mm 1.7A 0.73N.m with RS485 Control

The JKISC42-R4A3 provides the highest 0.73 N·m rated torque in the family together with RS485 Modbus RTU communication. Its motor specifications include a 42 × 42 mm NEMA 17 frame, 1.8° step angle, 1.7 A current, 3.0 Ω resistance, 6.2 mH inductance, approximately 80.5 mm body length, and 0.61 kg weight. Encoder options include 1000 PPR, 17-bit, and 15-bit, and the integrated drive supports DC 12–36 V.

For OEMs searching for a high-torque RS485 integrated linear stepper motor, the JKISC42-R4A3 combines network communication with a compact NEMA 17 form factor. Its integrated driver reduces wiring and installation complexity, while intelligent current regulation, Cortex-M4 processing, high-speed pulse response, and optional IP30/IP54/IP65 protection support reliable machine integration. The motor is suitable for automated linear positioning, logistics equipment, medical machines, industrial multi-axis systems, and applications where RS485 Modbus RTU communication is preferred.

Electrical Specifications：

• Type: Nema17 integrated linear motion with integrated stepper servo motor

• Model Name: JKISC42-R4A3 integrated linear motion

• Phase: 2

• Step Angle: 1.8 degree

• Current: 1.7A

• Resistance: 3.0Ω±10%(20℃)

• Inductance: 6.2mH±20%(1kHz 1V RMS) 

• Holding Torque: 0.73Nm(103.38oz.in)

• Encoder: 1000ppr / 17Bit / 15 Bit

• Control Method: RS485 (Pluse, CANopen optional）

Physical Specifications:

• Frame Size: Nema 17 (42 x 42mm)

• Body Length: 80mm

• Shaft Diameter: 5mm

• Shaft Length: 24mm
  

  
  

Integrated Stepper Servo Motors Features:

• Cortex-M4 core high-performance 32-bit micro controller

• The highest pulse response frequency can reach 200KHz
  

• Built in protection function, effectively ensuring the safe use of the device
  

• Intelligent current regulation to reduce vibration, noise, and heat generation

• Adopting low internal resistance MOS, the heating is reduced by 30% compared to ordinary products

• Voltage range: DC12V-36V

• Integrated design with integrated drive motor, easy installation, small footprint, and simple wiring

• Equipped with anti reverse connection function
  

Communication method:

• Pulse type

• RS485 MOdbus RTU network type

• CANopen network type
  

  
  

Protection level:

Waterproof type: IP30, IP54, IP65, optional

42mm Integrated Stepper Servo Motors Usage:

Medical equipment, logistics transportation, industrial automation, textile machinery, laser, drawing, traditional Chinese medicine ingredient industry, etc