Dunkermoteren PLG52EB Series Planetary Gearbox
The Dunkermotoren PLG 52 EB Series Planetary Gearbox is a high-efficiency, steel-ring gear solution designed for applications demanding quiet operation, compact size, and reliable torque output. With reduction ratios ranging from 3.33:1 to 512:1 and continuous torque ratings from 1.2 Nm up to 15 Nm, this gearbox is ideal for industrial automatio...
Read MoreThe Dunkermotoren PLG 52 EB Series Planetary Gearbox is a high-efficiency, steel-ring gear solution designed for applications demanding quiet operation, compact size, and reliable torque output. With reduction ratios ranging from 3.33:1 to 512:1 and continuous torque ratings from 1.2 Nm up to 15 Nm, this gearbox is ideal for industrial automation, medical devices, and drive systems requiring precise and consistent motion control.
This gearbox features straight-toothed gearing across all stages and double ball bearing support on the output shaft, delivering smooth performance with high radial and axial load capacity—up to 500 N axial and 350 N radial. It is available in 1-, 2-, and 3-stage versions, supporting flexible torque-speed requirements while maintaining a compact footprint (50 mm to 80.5 mm in length depending on stage count).
With high efficiency up to 90% (single stage) and built-in lifetime lubrication, the PLG 52 EB is engineered for maintenance-free operation even under demanding conditions. It supports both S1 (continuous) and S8 (cyclical) duty cycles and includes options for food-grade and low-temperature lubrication, making it suitable for specialised environments.
Whether used in factory automation, robotics, or mechatronics, the PLG 52 EB Series delivers durability, performance, and long-term reliability in a versatile planetary gearbox design.
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Features
- Broad Reduction Ratio Range: Offers ratios from 3.33:1 to 512:1 across 1-, 2-, and 3-stage versions—enabling optimal torque-speed matching for a wide range of drive applications.
- Steel Ring Gear for Long Life: Equipped with a hardened steel ring gear for superior durability, wear resistance, and reliable performance in continuous or cyclical duty modes.
- High Load Capability: Supports axial loads up to 500 N and radial loads up to 350 N with a double ball-bearing output shaft—ensuring mechanical stability in dynamic systems.
- Quiet, Straight-Toothed Operation: Straight-cut gear design ensures smoother, quieter transmission—ideal for noise-sensitive environments such as medical or lab automation.
- Compact and Maintenance-Free: Compact body with lifetime lubrication eliminates the need for servicing while maintaining consistent output performance over time.
- Application-Ready Versatility: Perfect for integration with Dunkermotoren motors in factory automation, robotics, and precision handling systems—backed by adaptable lubrication options.
Specifications
| PLG52EB Specifications |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Reduction Ratio | - | 3.33 | 4.5 | 6.25 | 8 | 15 | 20.25 | 28.12 | 36 | 50 | 64 |
| Efficiency | % | 90 | 81 | ||||||||
| Number of Stages | - | 1 | 2 | ||||||||
| Continous Torque | Nm | 1.2 | 1.2 | 1.2 | 1.2 | 4 | 4 | 4 | 4 | 3 | 2.5 |
| Acceleration torque * | Nm | 2.4 | 2.4 | 2.4 | 2.4 | 5.5 | 5 | 5 | 5 | 5.2 | 5.5 |
| Emergency stop torque | Nm | 3.6 | 3.6 | 3.6 | 3.6 | 18 | 18 | 18 | 18 | 18 | 18 |
| Operating mode | - | S1 / S8 | |||||||||
| Weight of Gearbox | kg | 0.6 | 0.7 | ||||||||
| Axial Load / Radial Load | N | 500 / 350 | 500 / 350 | ||||||||
| *Acceleration torque for max. 1 second | |||||||||||
| PLG52EB Specifications |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| Reduction Ratio | - | 69.44 | 91.12 | 126.56 | 162 | 225 | 288 | 400 | 512 |
| Efficiency | % | 73 | |||||||
| Number of Stages | - | 3 | |||||||
| Continuous Torque | Nm | 6 | 15 | 15 | 10 | 10 | 10 | 13 | 13 |
| Acceleration torque* | Nm | 18 | 18 | 18 | 18 | 18 | 18 | 16 | 16 |
| Emergency stop torque | Nm | 40 | 48 | 48 | 48 | 48 | 48 | 48 | 48 |
| Operating mode | - | S1 / S8 | |||||||
| Weight of Gearbox | kg | 0.9 | |||||||
| Axial Load / Radial Load | N | 500 / 350 | |||||||
| *Acceleration torque for max. 1 second | |||||||||
Warranty & Returns
Warranty periods vary by product. Please refer to the Powerbox Warranty Policy for the applicable coverage period against manufacturing defects from date of purchase. For returns and RMA requests, please visit our RMA support page or contact our support team directly.
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