**Somfy Drive Adaptor for 40mm x 1mm Round Tube**
Ensure optimal power transfer in your motorized shade system with the **Somfy Drive Adaptor**, specifically engineered for 40mm round tubes with 1mm wall thickness. This precision component delivers secure engagement and smooth operation for reliable performance in both residential and commercial applications.
### **Key Features:**
- **Perfect Fit** – Designed for 40mm tubes (1mm wall)
- **Secure Grip** – Textured rubber surface prevents slippage
- **Vibration Damping** – Reduces operational noise
- **Durable Construction** – Glass-reinforced nylon core
- **Easy Installation** – Simple press-fit assembly
- **Somfy Motor Ready** – Compatible with 400/500 series
### **Technical Specifications:**
- **Material:**
- Core: PA66-GF25 nylon
- Surface: EPDM rubber (75 Shore A)
- **Diameter:** 40.0mm ±0.1mm
- **Width:** 12mm
- **Max Torque:** 3.5Nm
- **Temperature Range:** -4°F to 158°F (-20°C to 70°C)
### **Includes:**
- 1x Drive adaptor
- Installation guide
**Note:** Professional installation recommended for thin-wall tubes.
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**Why Choose This Adaptor?**
✔ Maintains system warranty compliance
✔ Extends motor and tube lifespan
✔ Professional-grade reliability
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**Installation Tip:**
Clean tube surface thoroughly before installation.
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**Warranty:**
3-year limited warranty.
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**Safety Compliance:**
RoHS and REACH compliant.
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**Design Advantage:**
Precision-molded for consistent performance.
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**Performance Benefit:**
Reduced wear on thin-wall tubes.
### **Somfy Drive Adaptor (for 40mm x 1mm Round Tube) – Technical Specifications**
#### **General Specifications**
- **Model Number:** DRA-40-1.0
- **Type:** Torque transfer drive adaptor
- **Compatibility:** 40mm OD round tubes (1.0mm wall thickness)
- **Motor Compatibility:** Somfy 400/500 series
#### **Mechanical Specifications**
- **Material Composition:**
- Core: 25% glass-filled nylon (PA66-GF25)
- Contact Surface: EPDM rubber (75 Shore A)
- **Dimensions:**
- Diameter: 40.0mm ±0.05mm
- Width: 12.0mm ±0.1mm
- Weight: 45g
- **Wall Thickness Range:** 0.95-1.05mm
#### **Performance Specifications**
- **Max Torque Transfer:** 3.5Nm
- **Rotational Speed:** Up to 300 RPM
- **Friction Coefficient:** μ = 0.60-0.70
- **Service Life:** ≥60,000 cycles
- **Radial Runout:** <0.2mm
#### **Installation Requirements**
- **Tube Preparation:**
- Clean, oil-free surface
- Verify wall thickness (0.95-1.05mm)
- **Mounting Method:** Press-fit (40-60N insertion force)
- **Tools Recommended:**
- Rubber mallet (for seating)
- Digital caliper (for verification)
#### **Environmental Ratings**
- **Operating Temperature:** -4°F to 158°F (-20°C to 70°C)
- **Humidity Range:** 10-95% RH
- **UV Resistance:** Suitable for indoor use
#### **Material Certifications**
- **Plastics:** RoHS 3 compliant
- **Rubber:** ASTM D2000 compliant
- **Flammability:** UL94 HB
#### **Package Contents**
- 1x Drive adaptor
- Installation guide
#### **Warranty**
- 3-year limited warranty
**Key Advantages:**
- Optimized for thin-wall tube applications
- Anti-slip micro-textured surface
- Vibration-damping rubber compound
- Precision-balanced rotation
**Installation Notes:**
1. Verify tube dimensions before installation
2. Ensure full circumferential contact
3. Do not lubricate contact surfaces
*Professional installation recommended. Not for structural applications.*
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**Maintenance:**
- Annual inspection recommended
- Check for:
- Rubber wear (>1mm groove wear = replace)
- Surface cracking
- Clean with isopropyl alcohol if contaminated
This specification provides installers with critical technical data for proper integration with thin-wall tube systems, emphasizing the adaptor's engineered precision for sensitive applications.
