Dunkermoteren PLG60LB Series Planetary Gearbox
The Dunkermotoren PLG 60 LB Series Planetary Gearbox is a heavy-duty, high-efficiency gearbox engineered for dynamic applications requiring robust torque transmission, long operating life, and compact installation. Featuring a steel ring gear and needle-bearing supported planetary wheels, the PLG 60 LB is designed for smooth, low-backlash perfor...
Read MoreThe Dunkermotoren PLG 60 LB Series Planetary Gearbox is a heavy-duty, high-efficiency gearbox engineered for dynamic applications requiring robust torque transmission, long operating life, and compact installation. Featuring a steel ring gear and needle-bearing supported planetary wheels, the PLG 60 LB is designed for smooth, low-backlash performance in industrial automation, mobile machinery, and precision motion systems.
This series offers a wide range of reduction ratios from 3:1 to 120:1 across 1-, 2-, and 3-stage versions, supporting continuous torque up to 25 Nm and peak acceleration torque up to 44 Nm. Emergency stop torque is rated up to 88 Nm, ensuring durability under load spikes. High mechanical efficiency—up to 97% in single-stage configurations ensures energy-efficient operation across demanding duty cycles.
Built for reliability, the gearbox includes lifetime lubrication, IP52 protection as standard (with IP54 and IP65 available on request), and axial/radial load ratings of 130 N / 390 N. Despite its performance, the PLG 60 LB remains compact, with lengths from 47 mm to 72 mm depending on stage count.
Ideal for applications requiring long service life (up to 20,000 hours), quiet operation, and consistent torque output, the PLG 60 LB Series delivers proven planetary drive performance in a rugged, maintenance-free design.
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Features
- High Continuous Torque Output: Delivers up to 25 Nm of continuous torque and 44 Nm for acceleration, ideal for demanding motion control and automation systems.
- Durable Steel Construction: Equipped with a robust steel ring gear and needle-bearing planetary wheels for long-lasting, low-backlash performance.
- Broad Reduction Ratio Range: Supports reduction ratios from 3:1 to 120:1 across 1-, 2-, and 3-stage designs, offering exceptional speed and torque flexibility.
- High Efficiency Performance: Achieves mechanical efficiency up to 97% in single-stage configurations—reducing energy loss in continuous operation.
- Long Service Life and Low Maintenance: Factory-lubricated for life with up to 20,000 hours of service—engineered for maintenance-free reliability in harsh environments.
- Compact and Load-Tolerant Design: Compact housing handles axial loads up to 130 N and radial loads up to 390 N, supported by dual ball bearings on the output shaft.
Specifications
| PLG60LB Specifications |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reduction Ratio | - | 3 | 4 | 5 | 7 | 8 | 10 | 9 | 12 | 15 | 16 | 20 | 25 | 32 | 40 | 64 |
| Efficiency | % | 97 | 95 | |||||||||||||
| Number of Stages | - | 1 | 2 | |||||||||||||
| Continuous Torque¹ | Nm | 2 | 25 | 25 | 21 | 15 | 13 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 15 |
| Continuous Torque² ⁵ | Nm | 28 | 38 | 40 | 25 | 18 | 15 | 44 | 44 | 44 | 44 | 44 | 40 | 44 | 40 | 18 |
| Acceleration torque³ | Nm | 28 | 38 | 40 | 25 | 18 | 15 | 44 | 44 | 44 | 44 | 44 | 40 | 44 | 40 | 18 |
| Emergency stop torque⁴ | Nm | 48 | 64 | 80 | 80 | 80 | 80 | 88 | 88 | 88 | 88 | 88 | 80 | 88 | 80 | 80 |
| Max. backlash | arcmin | 10 | 12 | |||||||||||||
| Weight of Gearbox | kg | 0.9 | 1.1 | |||||||||||||
| Axial load/ radial load (13 mm off mounting surface)⁵ |
N | 130 / 390 | ||||||||||||||
| PLG60LB Specifications |
|||||
|---|---|---|---|---|---|
| Reduction Ratio | - | 60 | 80 | 100 | 120 |
| Efficiency | % | 91 | |||
| Number of Stages | - | 3 | |||
| Continuous Torque¹ | Nm | 25 | |||
| Continuous Torque² ⁵ | Nm | 44 | |||
| Acceleration torque³ | Nm | 44 | |||
| Emergency stop torque⁴ | Nm | 88 | |||
| Max. backlash | arcmin | 15 | |||
| Weight of Gearbox | kg | 1.3 | |||
| Axial load/ radial load (13 mm off mounting surface)⁵ |
N | 130 / 390 | |||
| 1) S8 Operation mode (alternating load) motor speed = 3000 rpm/ S8 Betriebsart (wechselnde Belastung) Motordrehzahl = 3000 rpm 2) S1 Operation mode (swelling load) gearbox output speed = 100 rpm; service lifetime check by application consulting required/ S1 Betriebsart (schwellende Belastung) Getriebeabtriebsdrehzahl = 100 rpm; Prüfung der Lebensdauer durch Applikationsberatung erforderlich 3) S8 Operating mode (alternating load); within max. 1 second/ S8 Betriebsart (wechselnde Belastung); innerhalb max. 1 Sekunde 4) Statically 100 times alternating/ Statisch 100-mal wechselnd 5) Related to gearbox output speed = 100 rpm/ Bezogen auf Getriebeabtriebsdrehzahl = 100 rpm |
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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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