32mm Cordless Tubular Motor with Spring Assist for Roller Shades
Quick Summary
The DOSRON 32mm Cordless Tubular Motor is designed for quiet, reliable, and smart shade control. Featuring a compact design with spring assist, it delivers smooth motion, long battery endurance, and effortless integration with smart-home systems — ideal for residential and commercial automation projects.
Product Overview
![]() |
![]() |
The DOSRON 32mm Cordless Tubular Motor with integrated spring assist mechanism is engineered for smooth, quiet, and cordless roller shade operation.
Built for modern interior shading systems, it combines precision torque control, rechargeable convenience, and compact design—ideal for residential and light-commercial installations.
Each unit is factory-calibrated for consistent output and designed for OEM adaptability.
Technical Specifications
![]() |
![]() |
| Item | Property Name | Parameter | Description |
|---|---|---|---|
| 1 | Rated Torque | 0.4 – 0.7 N·m | Stable output with ≤ ±3% variation |
| 2 | Noise Level | ≤ 40 dB | Ultra-quiet performance |
| 3 | Battery Capacity | 2600 / 5200 mAh | 6–9 months on a single charge |
| 4 | Protection Rating | IP20 | Standard indoor protection |
| 5 | Charging Port | Type-C | Fast charging; optional solar input |
| 6 | Rated Power | 5 W | Efficient low-power design |
| 7 | Motor Length | 396–461 mm | Compact installation |
| 8 | Operating Temperature | 0–40 °C | Stable in daily environments |
Key Advantages & Features
![]() |
![]() |
Consistent Output
Torque precision maintained within ±3%, ensuring stable performance and smooth shade movement across all production batches.
Whisper-Quiet Design
Balanced rotor assembly and low-friction polymer gears keep operational noise below 40 dB, even under load.
Long Battery Endurance
Rechargeable 2600 mAh and 5200 mAh battery options provide 6–9 months of runtime per full charge.
Compatible with Type-C, solar, or power-bank charging.
Smart Control Options
Supports RF remote, push-to-start motion, and optional Tuya / Zigbee / BLE / Wi-Fi gateways for smart home integration.
Easy Installation
LED feedback guides pairing, limit setting, and low-battery indication for faster setup and reduced service calls.
Engineering That Stays Quiet Under Load

Precision Gearbox
Low-friction polymer-alloy gears with tuned meshing minimize vibration and ensure torque consistency.
Silent Brake Logic
Electromagnetic braking technology softens start/stop transitions, protecting delicate fabrics from shock or bounce.
Copper Windings
High-purity copper coils improve energy efficiency and reduce temperature rise during continuous operation.
Aluminum Housing
Rigid aluminum casing enhances durability, dampens resonance, and fits compact window shade tubes.
Durability & Safety Protections
![]() |
![]() |
-
Cycle Testing: Validated over 15,000 open/close operations.
-
Thermal Protection: Auto-pause when coils overheat; resumes automatically once safe.
-
Ingress Protection: IP20 standard; optional light-humidity sealing design available.
-
Stall Protection: Automatic torque cutoff during overload or obstruction.
Control & Integration
![]() |
![]() |
RF & Cordless Operation
Up to 15 channels (1–15; “A” for all).
Double-tap on bottom rail activates movement—completely cord-free.
LED indicators provide instant feedback:
-
Blue flash = operation/power
-
Red flash ×2 = low battery
-
Red/Blue ×3 = pairing success
Smart-Home Ready
Optional gateways connect seamlessly with Alexa, Google Home, or Apple HomeKit (via Homebridge) for automated shading control.
Applications
![]() |
![]() |
-
Cordless Roller Shades
-
Zebra / Sheer Shades
-
Honeycomb Shades
-
Roman / Shangri-La Blinds
-
Residential Smart Homes
-
Light-Commercial Window Systems
OEM & ODM Services
![]() |
![]() |
DOSRON offers full customization options, including:
-
Private labeling and branding
-
Custom housing color or logo printing
-
Firmware/protocol adjustments (Tuya / Zigbee / Wi-Fi / BLE)
-
Mechanical interface modifications for specific tube sizes
-
Engineering support & remote training for integration partners
Field Performance Feedback

In recent North American OEM deployments, end-user satisfaction increased by 20%, while service calls dropped significantly.
Customers highlighted quieter operation, simpler pairing setup, and improved precision limit learning via LED feedback.
Field Insight: How DOSRON Redefines Precision and Quiet Power in Smart Shade Motors
The 32mm Cordless Tubular Motor by DOSRON represents a new generation of intelligent shading technology — engineered for smooth operation, silent performance, and effortless control.
With spring-assist mechanics and high-efficiency torque balance, it ensures precision movement even in long-term applications.
Every engineering detail — from copper windings to silent gear alignment — reflects DOSRON’s commitment to consistent quality and performance reliability.
Built for smart homes and modern architecture, this tubular motor offers compatibility with multiple control protocols such as RF, Zigbee, BLE, and Wi-Fi.
Its compact design and low noise level make it ideal for luxury interiors, offices, and automated shading systems worldwide.
• Stable torque and spring-assist technology for precision control.
• Whisper-quiet operation below 40dB.
• Long-lasting rechargeable battery with solar charging option.
• OEM/ODM customization for global shading brands and integrators.
Designed and manufactured in China by a facility with over 15 years of motor engineering experience, each DOSRON unit embodies our belief:
“Smart motion begins with precision — and ends with reliability.”
FAQ
Q1: What is the MOQ?
Minimum order quantity is 100 pcs for standard models. Samples available for testing.
Q2: What is the warranty period?
All DOSRON tubular motors include a 5-year warranty for non-human defects.
Q3: Is smart-home integration supported?
Yes. Compatible with Tuya, Zigbee, BLE, or Wi-Fi via dedicated gateways.
Q4: What’s the average delivery time?
Production lead time is typically 20–25 working days for orders under 1,000 units.
Q5: How do I choose the right model?
Send your tube size, fabric weight, and preferred control protocol, and our engineers will match the optimal model and accessories for your system.


















