Alpha WSERD50-B 20/12 OD Version Roller Blind Motor

The Alpha WSERD50-B 20/12 OD Roller Blind Motor is a heavy-duty, lithium-ion rechargeable motor engineered for external roller blinds, zip screens, straight-drop awnings, and large outdoor shading systems. With a powerful 20Nm torque, ultra-quiet operation, and advanced Obstacle Detection (OD) technology, this motor is built for performance, safety, and long-term durability in tough Australian conditions.

Designed specifically for outdoor systems that demand strength and reliability, the WSERD50-B 20/12 OD features three adjustable speeds, a rugged IP44 protection rating, and a fully integrated rechargeable battery system that eliminates the need for electricians or hard-wiring.

For installation flexibility, this motor supports multiple charging options including a USB-C 5V charger, side channel charging port, headbox charging port, and the Alpha TYB004-U solar panel for maintenance-free operation.

The motor includes a starhead drive and comes packaged with the A3438 mounting bracket, ensuring professional compatibility with modern zip systems and external blind frameworks.

If you need a robust motor that handles large blinds with precision, safety, and cordless convenience, the WSERD50-B 20/12 OD is the top-tier choice.

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Works perfectly with:

• Alpha Solar Panel TYB004-U

• Alpha ALDC 5V USB-C Charger

• Alpha WSER/WSERD Remotes & Controllers

• Zip Screen & Straight Drop Outdoor Blind Systems

• Neo App Control System (via compatible controller)

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FAQs

1. What blinds is the Alpha WSERD50-B 20/12 OD Version Roller Blind Motor designed for?

It is engineered for external roller blinds, zip screens, straight-drop awnings, and other large outdoor shading systems that require strong motor torque and weather resistance.

2. Does the Alpha WSERD50-B 20/12 OD Version Roller Blind Motor include obstacle detection?

Yes. The OD function detects obstructions and stops or reverses the blind to prevent fabric or motor damage. This feature can be switched off when not required.

3. How do I charge the Alpha WSERD50-B 20/12 OD Version Roller Blind Motor?

You can charge it using:

• USB-C 5V charger (recommended 5V/2A)

• Side channel charging port

• Head box charging port

• TYB004-U solar panel for ongoing maintenance-free charging

4. Do I need an electrician to install the Alpha WSERD50-B 20/12 OD Version Roller Blind Motor?

No. It has a built-in lithium battery, so no electrical wiring is required.

5. What is the lifting capacity of the Alpha WSERD50-B 20/12 OD Version Roller Blind Motor?

With 20Nm torque, it comfortably powers large outdoor blinds, zip screens, and awnings designed for heavy-duty applications.

6. Is the Alpha WSERD50-B 20/12 OD Version Roller Blind Motor compatible with the Neo App?

Yes, when used with a compatible Alpha smart hub or controller.

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COMPARISON TABLE

Alpha WSERD Motors Comparison

Feature	WSERD30-B 1/30 C	WSERD30-B 3/20 C	WSERD50-B 20/12 OD Version
Torque	1 Nm	3 Nm	20 Nm
Best For	Small indoor blinds	Medium indoor blinds	Large external blinds & awnings
Battery	Built-in Lithium	Built-in Lithium	Built-in Lithium (heavy duty)
Obstacle Detection	No	No	Yes (OD)
Charging	USB-C / Solar	USB-C / Solar	Side channel, headbox, USB-C, solar
Noise Level	Ultra quiet	Ultra quiet	Ultra quiet (outdoor rated)
Protection Rating	IP20	IP20	IP44 outdoor
Control	RF/Neo	RF/Neo	RF/Neo
Max Blind Size	2m x 2m	3m x 4m	Large external systems

Brackets included with the motor: 

Additional items for this product we well: