HARKEN 7412.12V.CONV Unit Mkiv Electric Conversion Kit Box Control

( Brand: Harken ), ( Manufacturer Part Number: 7412.12V.CONV ), ( Part Type: Control Unit Box )

Review HARKEN Unit Mkiv Electric Conversion Kit Control Box

The Harken 7412.12V.Conv Unit MkIV Electric Conversion Kit Control Box is a state-of-the-art solution for sailors looking to upgrade their winch systems with electric power. This control box is a key component of Harken's electric conversion kits, designed to provide smooth, efficient, and reliable operation of your electric winches.

Measuring 12.2 x 6.3 x 3.9 inches (31 x 16 x 9.9 cm) and weighing just over 2 pounds (0.9 kg), the control box is compact and lightweight, making it easy to install on a variety of boats. Its sleek design is both functional and aesthetically pleasing, with a durable powder-coated aluminum housing that protects against the elements.

The control box is equipped with a user-friendly digital display, which provides clear and accurate information about the winch's operation. The display shows the winch's current draw, voltage, and temperature, allowing you to monitor the system's performance and identify any potential issues before they become major problems.

The Harken 7412.12V.Conv Unit MkIV Electric Conversion Kit Control Box is designed to work seamlessly with Harken's electric winches and can be easily integrated into your existing boat control system. It features two programmable buttons, which can be customized to perform a range of functions, such as controlling other winches or activating lights or pumps.

The control box is also equipped with overload protection, which automatically shuts off the winch in the event of overloading, helping to prevent damage to the system and ensuring safe operation. Additionally, it features a thermal cutout, which protects against overheating, and a fuse holder, which provides an extra layer of protection against electrical issues.

Installation of the control box is made easy with Harken's plug-and-play wiring system, which simplifies the connection process and reduces the amount of time spent on installation. The kit includes all necessary mounting hardware, making it a true plug-and-play solution.

In summary, the Harken 7412.12V.Conv Unit MkIV Electric Conversion Kit Control Box is a high-performance, user-friendly, and reliable solution for upgrading your winch system with electric power. Its compact size, rugged construction, and advanced features make it an ideal choice for sailors looking to enhance their sailing experience.

The Harken 7412.12v.conv Unit MkIV electric conversion kit control box is a popular solution for converting manual winches to electric ones. Here are some pros and cons to help you make an informed decision:

1. Easy installation: The control box is designed to be easily integrated with Harken's 7412 series winches. It includes all the necessary components for conversion, making the installation process relatively straightforward.

2. Improved performance: Electric winches offer several advantages over manual ones, including faster hoisting and lowering speeds, smoother operation, and reduced effort required to operate them.

3. Versatility: The control box is compatible with a range of winch sizes and can be used for various applications, including sailboats, powerboats, and even some commercial vessels.

4. Safety: Electric winches can be safer to operate than manual ones, particularly in rough seas or when handling heavy loads. They also offer the added safety feature of being able to be controlled remotely.

5. Reduced maintenance: Electric winches require less maintenance than manual ones, as there are fewer moving parts that can wear down over time.

1. Cost: Electric winch conversions can be more expensive than maintaining and upgrading manual winches. The cost of the conversion kit, as well as the additional cost of batteries and charging systems, can add up.

2. Complexity: While the installation process is relatively straightforward, electric winch conversions can be more complex than manual winch installations. It may require some electrical knowledge to properly set up and connect the wiring.

3. Weight: Electric winches and their components, including the control box, batteries, and charging systems, can add significant weight to a boat. This can impact fuel consumption and overall performance.

4. Limited customization: The control box offers a number of features, but it may not be customizable to meet specific needs. For example, if you require a winch with a higher capacity or specific control functions, you may need to consider alternative solutions.

The Harken 7412.12v.conv Unit MkIV electric conversion kit control box offers several advantages, including improved performance, safety, and reduced maintenance. However, it also comes with some disadvantages, such as cost, complexity, weight, and limited customization. Ultimately, the decision to purchase this conversion kit depends on your specific needs, budget, and preferences.

If you're looking for a reliable and easy-to-install electric winch conversion solution for your Harken 7412 series winch, the Harken 7412.12v.conv Unit MkIV control box is a solid choice. It offers a range of features and benefits, including improved performance, safety, and reduced maintenance. However, be sure to carefully consider the cost, complexity, weight, and limited customization before making your final decision. If you have significant electrical knowledge or specific requirements, you may want to explore alternative solutions.

Details:

For boat owners managing large head sails on extended cruises, this electric Fuller conversion delivers the convenience of push-button head sail control from safety cockpit. The integrated electromagnetic solenoid control system operates smoothly through intuitive digital switches, providing variable-speed that responds to your specific needs. Integrated electromagnetic solenoid control with dual digital switches providing independent furl and unfurl functionality. This 12V marine conversion solution breathes new life into existing MKIV Unit 2 manual furling systems by adding powerful electric operation without requiring a complete system replacement.

For charter operations and performance cruising yachts, this conversion kit simplifies crew training while maintaining the operational efficiency that modern sailing demands. Your crew remains safely in the cockpit with improved visibility for boat handling rather than venturing forward challenging conditions. The engineering behind this electric furling system reflects Hearkens decades of marine hardware expertise, with particular attention paid to the demands large sailboats operating in diverse wind conditions. Single-handed sailors and short-handed crews benefit enormously from eliminating the physical demands of manual furling line tension.

Powerful high-efficiency DC motor engineered for reliable head sail deployment across all wind conditions and large cruising sailboat configurations. Low-maintenance bearing assembly with multiple rows of Orlon ball bearings throughout the system for reduced friction and consistent performance. The system accommodates sailors of varying physical abilities, making your boat more accessible to family members or guests who might struggle with traditional manual reefing. The high-efficiency 12-volt DC motor delivers consistent torque across a wide RPM range, handling extreme reefing loads that traditional manual systems require significant physical effort to manage.

Installation complexity is minimized through toggle-based mounting and seamless compatibility with your existing mechanical furling unit, preserving investment while delivering automation benefits that transform sailing experience. Unit 2 MKIV Electric Conversion Kit with Control Box. Whether you're sailing solo, short-handed, or simply seeking to reduce physical demands in challenging conditions, this retrofit jib Fuller addresses the real challenges cruising sailors face daily. What truly sets this electric head sail control system apart is how it enhances safety and crew flexibility while reducing fatigue on extended passages.

With a 40-amp circuit breaker protecting your boats electrical system and Orlon bearing assemblies minimizing friction throughout the mechanism, this electric jib reefing solution performs reliably in saltwater marine environments.

part #: 741212vconv price

• $2799.00

specifications sailgrinch:

• brand: Harken
• mpn: 7412.12v.conv
• part type: Control Unit Box

payments sailgrinch:

• wallet: Paypal
• credit card: Mastercard
• other

returns sailgrinch:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

offer sailgrinch:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• started: April 21, 2026
• sold: 0

seller sailgrinch:

• city: Morrill, Maine
• # reviews: 130
• rating: 100.0%

general sailgrinch:

• Boat Parts > Sailing Hardware Gear > Other Sailing Hardware Gear
• condition: New

shipping sailgrinch:

• class: Economy
• transit: 4-15 Days
• cost: $0.00
• type: Fixed
• service: Economy

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