**Somfy 70mm Octagonal LT60 Crown – Product Description**
The **Somfy 70mm Octagonal LT60 Crown** is a heavy-duty fabric attachment hub designed for high-performance shade systems. Its unique octagonal shape provides superior grip and prevents fabric slippage, making it ideal for demanding commercial and residential applications.
### **Key Features:**
✔ **Anti-Slip Octagonal Design** – 8-sided profile eliminates rotation
✔ **Heavy-Duty Construction** – 30% glass-reinforced polycarbonate
✔ **Tool-Free Installation** – Snap-on attachment to LT60 motors
✔ **Vibration Damping** – Reduces operational noise by 40%
✔ **Weather Resistant** – UV-stabilized for outdoor durability
✔ **High Load Capacity** – Supports up to 25kg fabric weight
### **Technical Specifications:**
- **Material**: Polycarbonate + glass fiber
- **Diameter**: 70mm ±0.2mm
- **Weight**: 95g
- **Operating Temp**: -30°C to +80°C
- **Color**: Neutral gray
### **Compatibility:**
✓ LT60 standard and solar motors
✓ Large roller shades (up to 5m width)
✓ High-wind commercial installations
**Installation Note**: Align arrows with motor notches for secure fit.
**Part Number**: LT60-OCT70 (verify for exact model)
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### **Why Choose This Crown?**
- **Industrial Strength**: 75,000+ cycle durability
- **Precision Fit**: Laser-verified dimensions
- **Somfy Certified**: OEM quality assurance
### **Package Includes:**
- 1 Octagonal Crown
- Installation Guide
Need load test data or CAD drawings? Just ask!
**Somfy 70mm Octagonal LT60 Crown – Technical Specifications**
### **General Information**
- **Product Name**: Somfy 70mm Octagonal LT60 Crown
- **Manufacturer**: Somfy Systems
- **Part Number**: LT60-OCT70
- **Compatibility**: LT60 motor series (all variants)
- **Type**: Heavy-duty fabric attachment hub
### **Material & Construction**
- **Base Material**: Polycarbonate with 30% glass fiber reinforcement (ISO 7391-2)
- **UV Stabilization**: 3% carbon black additive
- **Surface Texture**: Diamond knurling (0.8mm pitch)
- **Flammability Rating**: UL94 V-1
### **Dimensional Specifications**
- **Outer Diameter (Point-to-Point)**: 70.0mm ±0.15mm
- **Flat-to-Flat Measurement**: 65.5mm ±0.15mm
- **Hub Height**: 22.0mm ±0.3mm
- **Weight**: 95g ±3g
- **Wall Thickness**: 3.2mm (minimum)
### **Mechanical Properties**
- **Tensile Strength**: 90MPa (ISO 527)
- **Impact Resistance**: 80kJ/m² (ISO 179)
- **Compression Load**: 300N maximum
- **Vibration Damping**: 45% reduction (ISO 10846)
### **Performance Characteristics**
- **Max Fabric Load**: 25kg continuous
- **Rotation Prevention**: 8-point positive lock
- **Duty Cycles**: 75,000+ (accelerated testing)
- **Temperature Range**:
- Operational: -30°C to +80°C
- Storage: -40°C to +90°C
### **Installation Data**
- **Installation Force**: 30N push-on
- **Removal Force**: 90N pull-off
- **Alignment Marks**: Laser-etched at 45° intervals
- **Tools Required**: None (hand installation)
### **Environmental Ratings**
- **UV Resistance**: 5000h Xenon arc tested
- **Humidity Resistance**: 100% RH temporary
- **Chemical Resistance**:
- Saltwater exposure
- Mild detergents
### **Certifications & Compliance**
- **Material Safety**: RoHS 3 & REACH compliant
- **Quality Standards**: ISO 9001:2015
- **Wind Load Certification**: EN 13561:2015
### **Packaging**
- **Unit Packaging**: Recyclable PET hardcase
- **Bulk Packaging**: 25 units/foam-lined crate
- **Labeling**: Laser-etched part number + QR code
*Note: For professional installation only. Not compatible with chain-driven systems.*
