PROPULSEUR RETRACTABLE ERV210 24 V 210 KG EVISION D 250 MM — Sleipner ERV210/250TC-24V

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Sleipner

ERV210/250TC-24V

Retractable thruster eVision ERV210 24 V, 210 kg

The Sleipner ERV210/250TC-24V retractable thruster delivers 210 kg of thrust via its 24V PMSM eVision motor and Q-Props propellers. Designed for sailboats from 17 to 24 meters, it includes the PRO Thruster variable-speed control and S-Link™ system for precise maneuvering and full integration.

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Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of approved installers

Find an installer

Support service

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Technical specifications

Operating voltage	24
Product range	EVISION
Thruster Type	Retractable
Thrust Force	210

Detailed description

Designed for vessels from 17 to 24 meters (55-78 feet), the Sleipner retractable thruster ERV210/250TC-24V is a maneuvering solution that combines efficiency and discretion. This 24V thruster delivers 210 kg of thrust, featuring a 6-phase permanent magnet synchronous motor (PMSM) with hairpin technology. It provides 10.4 kW (14.0 hp) of power with a current draw of 580A at 24V. Its internal tunnel has a diameter of 250 mm. With a net weight of 90.8 kg, its approximate dimensions are: height (H) 389 mm, additional height (+H) 159 mm, length (L) 687 mm, width (W) 481 mm, retraction depth (RD) 378 mm, and minimum water depth (WD min.) of 250 mm.

Advanced Design and Performance

The Sleipner ERV210/250TC-24V stands out for its compact and lightweight design, up to 50% lighter and 40% smaller than previous models, facilitating integration into various hulls. It is equipped with contra-rotating dual propellers (Q-Props) that maximize thrust in a 250 mm diameter tunnel while reducing noise by up to 75%. The eVision technology, with its brushless electric motors specifically designed for marine use, ensures high operating duration and active air cooling, providing continuous operation capability.

Control and Safety System

This thruster integrates the PRO Thruster system for precise variable-speed control, allowing only the necessary power to be applied for maneuvers. It includes a convenient "hold" function for docking. The S-Link™ CAN-based control system ensures intelligent communication between Sleipner equipment, using compact, waterproof, keyed, and color-coded connectors to simplify installation. For durability and safety, the ERV210/250TC-24V is ignition-protected (ISO 8846), features overheat protection that automatically reduces or cuts power, has sealed-for-life lubrication in the gearcase, galvanic isolation of underwater components, and a flexible coupling that protects the propeller shaft from minor misalignments. Safe startup is ensured by a two-button activation, preventing accidental starts.

Documentation

Type	Nom
	Documentation Sleipner — PROPULSEUR RETRACTABLE ERV210 24 V 210 KG EVISION D 250 MM

Expert opinion

« Technical analysis of the Sleipner ERV210 eVision retractable thruster »

The Sleipner ERV210/250TC-24V retractable thruster is an advanced manoeuvring solution for medium to large sailboats, typically between 17 and 24 meters. Its main advantage lies in its ability to retract fully into the hull, freeing the keel and reducing drag while sailing. This feature is crucial for high-performance vessels or those where aesthetics and hydrodynamics are priorities.

The integration of eVision technology with a PMSM brushless motor gives this thruster higher energy efficiency and durability compared to traditional DC motors. The PRO Thruster variable-speed system is a significant advantage for delicate manoeuvres, offering precise thrust modulation and a "hold" function that greatly simplifies docking, even with a reduced crew. The S-Link™ integration is also a strong point, ensuring smooth communication with other Sleipner equipment on board.

Installing such a system is complex and must be carried out by professionals. It requires precise sizing, voltage validation, and optimal hull integration for the retraction mechanism and the 250 mm tunnel. Although the design is compact and lightweight, integrating a retractable thruster demands expertise to ensure watertightness, structural robustness, and proper connection to the vessel’s electrical system. This type of thruster is ideal for owners seeking powerful yet discreet manoeuvring assistance without compromising nautical performance.

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Retractable thruster eVision ERV210 24 V, 210 kg

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Frequently Asked Questions

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How does the ERV210 retractable thruster system work?

The ERV210 thruster is a retractable system. This means it can be deployed below the hull when you need to maneuver your boat, then fully retracted inside the hull when not in use. This design minimizes drag and protects the unit from marine fouling and damage while sailing at full speed.

What is the required supply voltage for the Sleipner ERV210 bow thruster?

The Sleipner ERV210 retractable thruster operates on a 24-volt power supply. It is essential to ensure your boat’s electrical system is compatible with this voltage to guarantee optimal and safe operation of the device.

What is the maximum thrust force provided by the ERV210 thruster?

The Sleipner ERV210 thruster delivers a maximum thrust of 210 kg. This power is designed to assist in manoeuvring appropriately sized vessels, even in challenging conditions such as wind or current.

Is the ERV210 thruster designed to reduce noise during operation?

Yes, the ERV210 thruster integrates Q-PROP™ technology. It is equipped with a five-blade, skewed propeller that reduces noise by 20 to 40% in real-world installations, and up to 75% in controlled tests, while maintaining or improving thrust performance.

Does the ERV210 thruster feature variable speed control?

Yes, the ERV210 thruster is compatible with PRO™ variable speed control technology. This feature enables smooth, quiet, and precise maneuvers. It also includes a hold function for twin systems, allowing the boat to be gently held against the dock with a single button press.

What are the built-in safety features of the Sleipner ERV210 thruster?

The ERV210 thruster is equipped with several advanced safety features:

Overheat protection: The system automatically detects high internal temperatures and shuts down before damage occurs. Galvanic isolation: All submerged components are electrically isolated from the onboard system to eliminate stray currents and prevent galvanic corrosion. Secure startup: The control panels require a two-button activation to prevent accidental starts. Smart power control: Minimizes mechanical wear by ensuring minimal delay between direction changes and monitors solenoid performance. If a solenoid seizes, the thruster shuts down automatically.

Why is the ERV210 retractable thruster offered only on quotation?

The ERV210 bow thruster is a complex and essential piece of equipment for boat maneuvering, requiring careful integration. It is offered on a quote basis because it is essential to validate several technical aspects before purchase, including:

The appropriate sizing for your vessel.The electrical voltage compatible with your onboard system.The optimal installation of the thruster in the hull.Selecting the necessary accessories for a complete and functional installation.This approach ensures the system will perfectly meet your needs and your boat’s specifications.

What lubrication system is used for the ERV210 thruster?

The ERV210 thruster uses a gravity-feed lubrication system (Gravity Feed Lubrication). A separate oil reservoir, located above the waterline, feeds the lower unit by gravity. This creates positive pressure for effective water sealing and simplifies oil changes. Additionally, the drive system features factory-sealed lubrication designed to last the product’s entire service life.