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Slewing Drive
SC21-125-RC-24H15300 Slewing Drive
SC21 21-inch slewing drive with 24VDC IP65 motor.
Key specifications
- Output torque
- 15 kN·m / 11.1×10³ lbf·ft
- Holding torque
- 105.8 kN·m / 78.0×10³ lbf·ft
- Tilting moment torque
- 203 kN·m / 149.7×10³ lbf·ft
- Axial load
- 1598 kN / 359.2×10³ lbf
- Radial load
- 640 kN / 143.9×10³ lbf
- Gear ratio
- 125:1
Product overview
SC21 21-inch slewing drive with 24VDC IP65 motor. 15 kN·m output torque, 105.8 kN·m holding torque, 203 kN·m tilting moment, 125:1 ratio, ≤0.15° precision for large solar trackers and heavy machinery.
- Output torque
- 15 kN·m / 11.1×10³ lbf·ft
- Holding torque
- 105.8 kN·m / 78.0×10³ lbf·ft
- Tilting moment torque
- 203 kN·m / 149.7×10³ lbf·ft
- Axial load
- 1598 kN / 359.2×10³ lbf
- Radial load
- 640 kN / 143.9×10³ lbf
- Gear ratio
- 125:1
Applications
- Large solar trackers
- PV / CSP tracking systems
- Aerial platforms and man lifts
- Truck-mounted cranes
- Antenna positioning
- Industrial rotary actuation
Benefits
- 21-inch worm-gear slewing drive with 24VDC IP65 reducer motor
- Output torque 15 kN·m / holding torque 105.8 kN·m
- Tilting moment 203 kN·m
- Gear ratio 125:1 with precision ≤ 0.15°
- Rated output speed 0.012 rpm
- Hall A/B feedback for closed-loop positioning
Technical specifications
| Drive type | 21-inch electric worm-gear slewing drive |
|---|---|
| Output torque | 15 kN·m / 11.1×10³ lbf·ft |
| Holding torque | 105.8 kN·m / 78.0×10³ lbf·ft |
| Tilting moment torque | 203 kN·m / 149.7×10³ lbf·ft |
| Axial load | 1598 kN / 359.2×10³ lbf |
| Radial load | 640 kN / 143.9×10³ lbf |
| Gear ratio | 125:1 |
| Backlash | ≤ 0.15° |
| Motor voltage | 24 V DC |
| IP rating | IP65 |
Dimensions & installation drawing
Configuration options
| Parameter | Metric Value | Imperial Value |
|---|---|---|
| Rated Output Speed | 0.012 rpm | — |
| Output Torque | 15 kN·m | 11.1×10³ lbf·ft |
| Tilting Moment (Max.) | 203 kN·m | 149.7×10³ lbf·ft |
| Holding Torque | 105.8 kN·m | 78.0×10³ lbf·ft |
| Static Axial Rating | 1598 kN | 359.2×10³ lbf |
| Static Radial Rating | 640 kN | 143.9×10³ lbf |
| Dynamic Axial Rating | 335 kN | 75.3×10³ lbf |
| Dynamic Radial Rating | 385 kN | 86.6×10³ lbf |
| Gear Ratio | 125:1 | — |
| Efficiency | 40% | — |
| Precision | ≤ 0.15° | — |
| Approx. Weight | 120 kg | — |
Installation, electrical and use information
SC21 Dimensions & Performance Drawing · OEM Mounting Geometry · 24VDC Motor Performance & Wiring · Key Installation Dimensions
SC21 Dimensions & Performance Drawing
Official dimensional drawing for model SC21-125-RC-24H15300 Rev.A — mounting interfaces, motor data, load chart and wiring.
Product Overview
OEM Mounting Geometry
36×M20 / 35×M20 / Ø22 patterns and Ø615 envelope support repeatable machine design.
Technical Data
24VDC Motor Performance & Wiring
SC21 uses a 24H/15/300 IP65 reducer motor with magnetic pulse generator for closed-loop positioning.
| Item | Value |
|---|---|
| Motor Code | 24H/15/300 (24H15300) |
| Rated Voltage | 24 VDC |
| Rated Current | ≤ 6.5 A |
| Motor Output Torque | 300 N·m |
| Motor Output Speed | 1.5 rpm |
| IP Class | IP65 |
| Operating Temperature | -40°C ~ +85°C |
| Wire / Pin | Color | Function |
|---|---|---|
| 1 | Black | Motor − |
| 2 | Red | Motor + 24V |
| 3 | Gray | Hall GND |
| 4 | Brown | Hall + (5–12V) |
| 5 | Blue | Hall A |
| 6 | Orange | Hall B |
| E | Yellow/Green | GND |
Hall feedback: 2 square-wave channels with 90° phase quadrature, operating voltage DC 5–24 V.
Mounting Snapshot
Key Installation Dimensions
Selected envelope dimensions from the SC21 drawing for early mechanical layout.
| Item | Value |
|---|---|
| Product Model | SC21-125-RC-24H15300 |
| Drive Type | 21-inch electric worm-gear slewing drive |
| Motor Interface | 24VDC IP65 with hall encoder |
| Outer Envelope | Approx. Ø615 mm |
| Key Bolt Circles | Ø584 / Ø525 / Ø535 / Ø465 / Ø432 mm |
| Mounting Pattern | 36×M20 Deep 40 / 35×M20 Thru / Ø22 holes |
| Grease Nipple | 1/8''-27 NPT |
| Cable Length | Approx. 1 m (standard) |
Applications
Can mounting and cables be customized?
Yes. Flange interfaces, motor packages, cable length and feedback options can be reviewed against your mechanical layout for OEM / ODM projects.
Request technical documents
FAQ
What is the SC21?
The SC21 is an Elerover slewing drive rated IP65.
Does Elerover manufacture the SC21?
Yes. Elerover is a slewing drive manufacturer and supplier. Share your application requirements and quantity for a factory quote on this model.
What are the key specifications of the SC21?
Key ratings from the product specifications include voltage 24V, load 15 kN·m / 11.1×10³ lbf·ft, protection IP65. See the Technical Specifications section on this page for the full table.
How do I request a quote for the SC21?
Send load, stroke, voltage, IP rating, duty cycle and quantity via the contact form or WhatsApp.
Request a quote
Quote context
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