SRV80 Side Power Retractable Vertical Thruster 12V/24V

The Side-Power SRV80 is a 12V/24V retractable vertical bow thruster designed for boats that require reliable low-speed maneuvering assistance from a system that retracts when not in use. Its vertical retracting configuration provides precise lateral control while avoiding the permanent tunnel opening of a fixed thruster installation.

Designed for vessels in the 35 to 48 ft range, the SRV80 uses an on/off control system to support docking, marina handling and close-quarters maneuvering. The 24V configuration delivers up to 80 kg / 176 lb of thrust, while performance specifications may vary depending on the selected voltage option.

Unlike fixed tunnel thrusters, the retractable design deploys only when needed, helping maintain hull efficiency and minimizing underwater drag when inactive.

The SRV80 is available under the SRV80/185T series configurations, with 12VDC and 24VDC options depending on vessel requirements.

Technical Specifications & Performance Data

Feature Specification
Typical Boat Size 32’ – 49’ (10 – 15 m)
Thrust at 10.5VDC / 21VDC 80 kg (176 lbs)
Thrust at 12VDC / 24VDC 96 kg (211 lbs)
Input Voltage 12VDC / 24VDC
Internal Diameter 185mm (7″)
Motor Output 4.4 kW / 6.0 hp
Duty Cycle 2 – 3 min at 20°C

Installation & System Compatibility

  • Retractable Bow Thruster 12V/24V: This unit is primarily used as a high-performance retractable bow thruster, but it is also fully capable of stern installation.

  • Intelligent Power Control (IPC): Features Sleipner’s patented IPC, providing a safety delay between drive directions to protect mechanical parts and monitoring solenoid health.

  • S-Link™ Connectivity: Uses the S-Link™ CAN-based control system for easy “Plug & Play” integration with other onboard Side-Power (Sleipner) products.

How it Works & Safety Features

The SRV80 retractable vertical thruster operates via a rugged vertical mechanism. When docking, the actuator lowers the thruster unit from the hull; once moored, it retracts back into its sealed casing. For maximum security, the system includes overheat protection that automatically shuts off the unit if high temperatures are detected, along with a mechanical seal of ceramic and carbon for ultimate water intrusion protection.

Before installation, confirm the required mounting structure, control accessories and installation components to ensure proper system integration.

Weight 113 lbs
Dimensions 50 × 50 × 50 in
Speed Control

On/Off

Power Supply

12V, 24V

Boat Size

35-48 ft

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