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Upgrading Furlex 204S to 204E. Excluding parts for electric installation.
Upgrade your manual Furlex Push-button performance is an easy upgrade for anyone who already has a manual Furlex 200S, 300S or 400S series (production year 1997-2015) or the current models 204S, 304S or 404S on their yacht. The furling line, drum and line guard assembly are simply replaced with a Furlex Electric motor unit. No sail conversion is required as the luff length of your existing sail is unaffected.
You will also need the appropriate Control Pack, which you can select below, and if you haven't already installed a Selden Power Supply on your boat you will also need to choose one of these on Power Supply Unit Start Packs.
For further information please see the Selden Electric Furling Data Sheet.
Please select the forestay diameter you require and the type of Control Pack required.
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If your yacht is equipped with the Furlex 204S, you already benefit from one of Seldén’s most trusted manual furling systems. But for sailors who want to reduce physical strain, sail short-handed, or simply enjoy the luxury of push-button control, upgrading to the Furlex 204E is a game-changing move.
Designed for yachts up to 9 tonnes displacement, the 204E retrofit brings electric precision to your foredeck—without altering your sail or forestay configuration.
Upgrading from the 204S to the 204E is a clean and modular process. You retain your existing foil extrusion and forestay setup. The upgrade replaces the manual drum and line guard with an electric motor unit, transforming your headsail handling into a cockpit-controlled operation.
No sail recutting is required—the luff length remains unchanged.
| Specification | Value |
|---|---|
| Original System | Furlex 204S |
| Upgrade Target | Furlex 204E |
| Max Boat Displacement | 9,000 kg |
| Forestay Diameter Options | 6 mm, 7 mm, 8 mm |
| Motor Voltage | 48V (via 12/24V converter) |
| Control Options | Genoa, Cutter, SEL-Bus |
| System Weight | ~33.5 kg |
Installation is designed to be DIY-friendly for experienced sailors, though professional rigging and electrical support is recommended. The process typically involves:
The upgrade is compatible with Furlex systems produced from 1997 onward, including current-generation 204S models.
Upgrading from Furlex 204S to 204E is a smart investment in comfort, safety, and modern sailing convenience. With push-button control, low maintenance, and seamless integration, the 204E transforms your sailing experience—making reefing and furling faster, safer, and more enjoyable.
Whether you're preparing for offshore cruising or simply want to make life easier on deck, this upgrade delivers a meaningful improvement in control and confidence.
A quick look at the conversion of a standard Furlex system to electric drive. Simply put, you replace the line drum with the electric drive unit and install the Seldén SEL-Bus system that includes all the electronics. Learn about our functions for SMART sail handling. https://www.seldenmast.com/products/e...
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