**Somfy LT50 RA CMO Motor – Reliable Tubular Shutter Motor with Manual Override**
The **Somfy LT50 RA CMO Motor** is a **230V AC tubular motor** designed for roller shutters and awnings, featuring **manual crank override (CMO)** for fail-safe operation during power outages.
### **Key Features:**
- **50Nm Torque** – Handles medium/large roller shutters (up to 25m²)
- **Manual Crank Override (CMO)** – Emergency operation via hand crank
- **230V AC Power** – Direct mains connection
- **Ultra-Quiet (<35dB)** – Discreet residential performance
- **IP44 Rated** – Weather-resistant for outdoor use
- **Thermal Protection** – Auto-shutoff at 85°C
- **Durable Metal Gearbox** – Long service life
- **Mechanical End Stops** – Adjustable travel limits
### **Technical Specifications:**
- **Voltage:** 230V AC ±10% (50/60Hz)
- **Speed:** 12 RPM (±10%)
- **Tube Compatibility:** 35mm standard
- **Duty Cycle:** 20% (2 min ON / 8 min OFF)
- **Operating Temp:** -20°C to +60°C
### **Ideal For:**
✔ Power outage-prone areas
✔ Residential roller shutters
✔ Retractable awnings
✔ Security shutters
**Upgrade to the LT50 RA CMO for worry-free shading with manual backup!**
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The LT50 RA CMO Motor is available in the following options:
525A2 CMO 1043010
530R2 CMO 1045017
535A2 CMO 1047006
540R2 CMO 1049026
550R2 CMO 1051014
**Somfy LT50 RA CMO Motor – Technical Specifications**
### **Electrical & Power Specifications:**
- **Power Supply:** 230V AC ±10% (207–253V)
- **Frequency:** 50/60Hz
- **Power Consumption:** 70W (max), 25W (typical)
- **Motor Type:** Synchronous capacitor motor
- **Protection Class:** Class II (double insulated)
### **Mechanical & Performance Specifications:**
- **Torque Output:** 50 Nm (continuous)
- **Peak Torque:** 60 Nm (short duration)
- **Speed:** 12 RPM (±10%)
- **Tube Compatibility:** 35mm standard
- **Shaft Length:** 150mm (5.9")
- **Total Length:** 590mm (23.2")
- **Weight:** 4.5 kg (9.9 lbs)
- **Noise Level:** <35 dB(A) (at 1m distance)
- **Duty Cycle:** 20% (2 min ON / 8 min OFF)
### **Manual Override (CMO) Specifications:**
- **Crank Mechanism:** Integrated hand crank
- **Operation:** Manual winding during power failure
- **Crank Socket:** Standard 8mm hex key input
### **Environmental & Durability:**
- **IP Rating:** IP44 (splash and dust resistant)
- **Operating Temperature:** -20°C to +60°C (-4°F to 140°F)
- **Storage Temperature:** -30°C to +70°C (-22°F to +158°F)
- **Humidity Resistance:** Up to 95% RH (non-condensing)
### **Safety & Protection Features:**
- **Thermal Protection:** Auto-shutoff at 85°C (185°F)
- **Overload Protection:** Mechanical slip clutch
- **Limit Adjustment:** Mechanical end stops
### **Installation & Compatibility:**
- **Mounting:** Internal tube mounting (360° rotatable)
- **Wiring:** 3-core cable (1.5m length, L/N/E)
- **Cable Gland:** M20
- **Wall Thickness Requirement:** ≥1.5mm for mounting tube
### **Certifications & Compliance:**
- **Safety Standards:** EN 60335-1, EN 60335-2-97
- **EMC Compliance:** EN 61000-6-2, EN 61000-6-3
- **RoHS & CE Certified**
### **Application Limits:**
- **Max Recommended Loads:**
- Roller Shutters: 25m² (269 ft²)
- Awnings: 20m² (215 ft²)
- **Mechanical Lifespan:** >10,000 cycles
**Note:** Compatible with standard roller shutter switches; RTS radio control requires additional receiver. Professional installation recommended.
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