Somfy LS40 Altus 404S2 120v 3-Wire Shade Motor With Fast Connector 1240260

APPLICATIONS

Exterior Solar Screens / Interior Window Coverings : Blinds / Projection screen

Technical information

STANDARD

Protection Index: IP 44

Insulation class: II  

DIMENSION

Unwrapped product weight: 2.21 lb

Unwrapped length: 20.47 in

Minimum internal diameter: 1.46 in

External Diameter: 1.4 in

Diameter: 1.57 in  

TECHNOLOGY

Radio Frequency: RTS 433.42 MHz

Number of channels: 12

Range in open field: 656.2 ft

Memory capacity: 12

Coding: Rolling code 16 million of possibilities  

ELECTRICAL

Consumption during operation: 120 W

Minimum voltage: 190 V

Maximum voltage: 235 V

Rated current: 0.9 A

Power supply: AC - RGE 2 - 120V/60HZ

Antenna: Integrated  

MECHANICAL

Speed: 36 rpm

Torque4 Nm

Type of limit switch unit: Electronic & monodirectional

Capacity of the limit switch unit (turns): 200

Power scale: AC MOTOR MULTI PHASE 37,5W TO 750W

Repeatabilty: +/- 4

Head type: ROUND  

CABLE

Cable type: SJTW

Removable cable: Yes

Cable length: 1.64 ft

Cable color: WHITE

Number of wires of the cable: 2

Cable plug ends: FAST CONNECTOR

Wire section: 0.0012 in²  

OTHER

Minimum working temperature: -4 °F

Maximum working temperature: 158 °F

Minimum storing temperature: -4 °F

Maximum storing temperature: 176 °F

Thermical time: 4 min

Shape: TUBULAR

Noise level (dB): 57 dB

Approval: CE, UR  

Somfy’s LS40 Altus RTS 404S2 (part #1240260) is a high-performance 120v 3-wire shade motor designed for a wide range of motorized window covering applications. It is built to deliver reliable power, quiet operation, and long-lasting durability for both residential and commercial use.

Key Features and Specs:
- Torque: 4 Newton-meters (35.2 in-lbs) for strong lifting power on heavy or large window coverings
- Speed: 36 revolutions per minute enables smooth and efficient shade movement
- Voltage: 120 volts AC ensuring compatibility with standard household electrical systems
- Motor Type: 3-wire with fast connector allowing quick, secure installation and easy maintenance
- Weight: Approximately 2.5 lbs for ease of handling and installation
- Double insulated for safety and long life
- Compatible with Somfy RTS (Radio Technology Somfy) wireless controls for remote operation

Applications:
The LS40 Altus motor is a universal solution for both interior and exterior shading needs. It is commonly used in:
- Roller shades and blinds
- Exterior and interior screens
- Large-sized wood or aluminum Venetian blinds
- Solar screens for patio and pergola shading
- Commercial window coverings in offices or storefronts
- Residential window treatments including motorized privacy and light control solutions

Its versatile torque and speed make it ideal for a broad range of window covering products, including heavy-duty options. The motor is designed to integrate seamlessly into existing smart home or commercial building automation systems through RTS wireless control compatibility.

Why Choose Somfy LS40 Altus RTS 404S2?
Somfy is a global leader in motorization technology trusted for its quality and innovation. The LS40 Altus motor combines powerful torque with a compact and quiet design, perfect for both new installations and retrofits. Its fast connector system reduces installation time and expands compatibility across shade types. With a 5-year warranty and embedded safety features, this motor offers peace of mind for long-term use.

Frequently Asked Questions:

1. What types of shades are compatible with the Somfy LS40 Altus RTS 404S2?
This motor works with roller shades, exterior and interior screens, large wooden and aluminum Venetian blinds, solar screens, and other motorized window coverings that require moderate torque and speed.

2. How does the fast connector improve installation?
The fast connector allows for quick and secure wiring connections without strain relief tools, reducing install time and minimizing electrical errors. It simplifies maintenance and motor replacement.

3. Is this motor compatible with smart home systems?
Yes, the LS40 Altus RTS 404S2 supports Somfy’s RTS wireless controls which can be integrated with many popular smart home automation systems, enabling remote control and scheduling.

By selecting the Somfy LS40 Altus RTS 404S2 shade motor, you invest in a product engineered for reliability, ease of use, and broad usability that enhances the comfort, privacy, and aesthetic of any space with motorized window treatments.