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Upgrading Furlex 300S to 300E

Name: Upgrading Furlex 300S to 300E
Brand: Seldén
SKU: 1169
Price: 2118.46 GBP
Availability: BackOrder

Weight. 9740.00 g

Seldén

£2,118.46 £2,492.30 Save 15%

Seldén

inc. VAT Typically delivered within 2-3 Weeks (In stock at Distributor)

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Upgrading Furlex 300S to 300E. 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.

Converting Furlex 300S to Furlex Electric - Four Steps

204 Electric Upgrade

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.

Upgrading Furlex 300S to 300E

£2,118.46 £2,492.30 Save 15%

Seldén

inc. VAT Typically delivered within 2-3 Weeks (In stock at Distributor)

Forestay Diameter :

8 mm
10 mm

Control Pack :

Not Required
Control Pack - Suitable for Genoa (532-815-63)
Control Pack - Suitable for Cutter (532-815-64)
Control Pack - No Buttons (532-815-65)

Quantity :

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In Stock at Distributor (typically delivered within 2-3 weeks)

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Upgrading Furlex 300S to 300E: Push-Button Power for Effortless Sailing

If your yacht is equipped with the Furlex 300S, you already benefit from Seldén’s trusted manual furling system designed for boats up to 15 tonnes displacement. But when sailing short-handed, managing heavy headsails, or simply seeking modern convenience, upgrading to the Furlex 300E offers a transformative leap in control, safety, and ease.

The 300E retrofit brings electric precision to your foredeck—without altering your sail or forestay setup.

🔧 What Does the Upgrade Involve?

Upgrading from the 300S to the 300E is a modular retrofit. You retain your existing foil extrusion and forestay. The upgrade replaces the manual drum and line guard with an electric motor unit and control system.

✅ Components Replaced:

Manual furling drum
Furling line and line guard
Tack assembly

✅ Components Added:

Electric motor unit (42V drive system)
DC/DC converter (for 12V or 24V onboard systems)
Control pack (Genoa, Cutter, or SEL-Bus integration)
Optional SEL-Bus network for advanced control and diagnostics

No sail recutting is required—the luff length remains unchanged.

⚙️ Key Features of the Furlex 300E

Push-button operation from the cockpit
Two-speed motor for precision reefing or fast furling
Low power consumption with sleep mode when idle
Corrosion-resistant composite motor housing
Compatible with Sta-Lok or swaged terminals
Available for forestay diameters of 8 mm or 10 mm
Retrofit-ready for Furlex 300S or 300TD systems (1997–2015)

📐 Technical Specifications

Specification	Value
Original System	Furlex 300S
Upgrade Target	Furlex 300E
Max Boat Displacement	15,000 kg
Forestay Diameter Options	8 mm, 10 mm
Max Forestay Length	~20 m
Motor Voltage	42V (via 12/24V converter)
Control Options	Genoa, Cutter, SEL-Bus
System Weight	~33.5 kg

🧰 Installation Overview

Installation is best performed by a professional rigger or marine electrician, especially given the power requirements and load-bearing components. The process typically involves:

Removing the manual drum and line guard
Installing the electric motor unit
Connecting the DC/DC converter to onboard power
Mounting the control pack in the cockpit
Testing and calibrating the system

The upgrade is available as a complete kit, and additional accessories may be required depending on your yacht’s layout.

🛠️ Ideal Candidates for the Upgrade

Cruising yachts from 35–45 ft
Bluewater cruisers seeking cockpit control
Short-handed or aging crews
Liveaboard sailors
Boats with existing Furlex 300S or 300TD systems

🧾 Final Thoughts

Upgrading from Furlex 300S to 300E is a powerful step toward modern, stress-free sailing. With push-button control, high-torque performance, and seamless integration, the 300E delivers unmatched convenience and confidence for larger yachts navigating demanding conditions.

Whether you're preparing for offshore passages or simply want to make life easier on deck, this upgrade transforms your sailing experience—bringing electric precision to one of the most critical systems aboard.