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Motors | RD Series
Three-Phase Asynchronous Motor for Reducer

Product Overview
Specialized three-phase asynchronous motors designed for direct coupling to gear reducers, featuring reinforced shaft construction and optimized mounting for torque transmission applications.
Key Features
- Reinforced output shaft with increased diameter and keyway for high torque transmission to reducer
- Precision-machined mounting flange ensuring perfect alignment with gear reducer input
- Enhanced bearing capacity supporting radial and axial loads from reducer coupling
- Compact IEC standard frame sizes matching common reducer mounting dimensions
- High starting torque capability for overcoming reducer inertia during startup
- Low backlash coupling interface ensuring efficient power transmission
- Robust construction suitable for continuous heavy-duty industrial operation
- Multiple mounting configurations (B5 flange, B14 face, B3 foot) for versatile installation
- Extended service life with premium bearings and sealed lubrication system
Technical Specifications
| Power Range | 0.12 ~ 200 kW |
| Voltage | 380V / 400V / 415V / 660V |
| Frequency | 50Hz / 60Hz |
| Speed | 1500 / 1000 / 750 rpm |
| Shaft Extension | Standard IEC dimensions |
| Protection Rating | IP54 / IP55 |
| Insulation Class | Class F |
| Mounting Type | B5 / B14 / B3 |
Applications
- Conveyor belt drive systems with gear reducers
- Mixing and agitation equipment with reduction gearing
- Crushing and grinding machinery drives
- Extruder and compounding machine drives
- Packaging line conveyor and indexing drives
- Material handling equipment with speed reduction
- Industrial mixer and blender drives
- Winch and hoist systems with gear reduction
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