Overview
The Anaheim Automation 34Y112S-LW8 is a high-torque NEMA 34 stepper motor designed for demanding industrial automation applications. This hybrid stepping motor combines high torque output with low vibration and quiet operation, making it an excellent choice for precision positioning systems, CNC equipment, and automated machinery. The 34Y112S-LW8 features an 8-lead winding configuration that supports series, unipolar, or parallel connection modes, providing flexibility for integration into existing control architectures.
Key Features
- NEMA 34 hybrid stepper motor with 637 oz-in holding torque
- 1.8-degree step angle for precise positioning and smooth operation
- 8-lead construction allows series, unipolar, or parallel wiring configurations
- Low vibration and minimal audible noise design
- Totally enclosed motor construction for industrial environments
- 0.5-inch diameter shaft suitable for direct coupling or belt drive applications
Technical Specifications
- Manufacturer: Anaheim Automation
- Model Number: 34Y112S-LW8
- Motor Type: Hybrid Stepper (2-phase)
- NEMA Frame Size: NEMA 34
- Step Angle: 1.8 degrees
- Holding Torque: 637 oz-in (4.52 Nâ‹…m)
- Continuous Current (Rated): 6.1 amperes per phase
- Nominal Current (Per Phase): 4.3 amperes
- Phase Voltage: 3.35 volts per phase
- Phase Resistance: 0.78 ohms per phase
- Phase Inductance: 6.8 millihenries
- Number of Leads: 8
- Shaft Diameter: 0.5 inch (12.7 mm)
- Motor Length: 3.15 inches (80 mm)
- Rotor Inertia: 0.0200 oz-in-sec² (0.1412 kg-cm²)
- Enclosure: Totally Enclosed
Typical Applications
The Anaheim Automation 34Y112S-LW8 is well-suited for:
- CNC machinery and precision positioning systems
- Automated assembly and packaging equipment
- Medical and laboratory instrumentation
- Robotics and motion control systems
- Industrial automation and conveyor systems
- Testing and measurement equipment requiring accurate angular displacement
Compatibility & Replacements
Compatible With
- Stepper motor drivers supporting 2-phase hybrid motors
- Step-and-direction pulse control systems
- Industrial PLC and motion control platforms
- Stand-alone stepper motor controllers
- Custom motion control circuits designed for NEMA 34 mounting
Replaces / Drop-In Replacement For
- Other 34Y112S variant configurations (with appropriate winding adjustments)
- Stepper motors requiring 637 oz-in holding torque in NEMA 34 frame
- Applications previously using comparable 1.8-degree step angle NEMA 34 motors
Works With
- Stepper motor driver modules (Gecko, Leadshine, DM322, CW-S2 series, etc.)
- Industrial motion controllers with step/direction output
- MACH3, LinuxCNC, and other CNC software platforms
- Parallel and serial-based motor control systems
- Microcontroller-based step pulse generators (Arduino, PLC pulse outputs)






