Sleipner SE20 Tunnel Bow Thruster 12V

The Sleipner SE20 tunnel bow thruster 12V is a compact thruster designed to fit a tunnel of only Ø100 mm. Sleipner SE20 is suitable for vessels up to 23 feet depending on the vessel’s windage area, only available for bow installation.

As with all the other thruster models in Sleipner’s tunnel series, the Sleipner SE20 offers tremendous installation flexibility, as it can be installed upon the tunnel at any angle and the thruster motor can be rotated on the motor bracket in 90 degrees steps.

The Sleipner SE20 is galvanic insulated and features Sleipner’s patented IPC technology for intelligent power control and safety. See more of the product features below.

Sleipner SE20 Technical Information

Power	Value
Operating Power	Electric
Power Requirement	12V DC
Power Output	1.5kW / 2hp
Thrust at 12V	25kg / 55lbs
Thrust at 10.5V	20kg / 44lbs
Nominal Current Draw	150A
Min. Battery CCA (DIN)	200
Min. Battery CCA (SAE)	380
Min. Battery CCA (EN)	330
Recommended fuse	ANL 150

 

Operational Intention	Value
Ideal Vessel Class	Motor boat, Sail boat
Ideal Vessel Size	< 7m / < 23ft
Bow Capability	Yes
Stern Capability	No
Retractable Capability	No
External Mounting Capability	No
Tunnel Capability	Yes

 

Weight	Value
Weight	9.5kg / 21lbs

Measurements	Value
(H) Height	209mm / 8.23in
(L) Length	183mm / 7.2in
(W) Width	200mm / 7.87in
(ID) Internal Diameter	110mm / 4.33in
(WD) Water Depth	110mm / 4.33in
(TL) Recommended Tunnel Length	133mm / 5.24in
(TL min.) Minimum Tunnel Length	111mm / 4.37in
(T min.) Minimum Tunnel Wall Thickness	4mm / 0.16in
(T max.) Maximum Tunnel Wall Thickness	6mm / 0.24in

Product Features

Properties

offers installation flexibility to work with the space you have. Our thruster models allow installation at any angle on the tunnel, tailored to fit any space available in your vessel.

Powered by direct current.

Sleipner analog signal cables with Plug & Play connectors are color-coded to match the wiring diagrams with high-quality connectors to ensure a correct installation.

Automatic detection of overheating of internal components. When an unsafe temperature is detected, the unit is automatically shut off to prevent overheating.

Immersed parts exposed to seawater are galvanic isolated from the onboard electrical system, eliminating stray currents.

The thruster gearleg is pre-filled for lifetime lubrication and sealed using a long-time mechanical seal with ceramic and carbon surfaces for ultimate security against water intrusion.

A properly engineered single propeller system will be the most energy efficient thruster. Its compact design fits easily into narrow bows making it the perfect match for our smaller thruster range. With more than 60.000 single propeller thrusters in use, the single propeller has proven its reliability.

The Q-PROP™ has measured noise reductions of up to 75% in controlled environments. The five-bladed skew propeller reduces noise levels while maintaining exceptional efficiency. Some thruster models even see an increase in thrust power.

• The expected noise reduction in average installations: 20-40%
• Upgrade kits are available for most Sleipner thruster models with special adaptors

Sleipner’s patented intelligent power control provides a minimal delay between drive directions to reduce wear of the mechanical parts while monitoring solenoid functions. In the case of a solenoid lock-in, the thruster will automatically stop without extra user action or controlling the main switch.

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