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SLEIPNER SEP40/125S-1IP PROPORTIONAL TUNNEL THRUSTER | 12V | 40KG/88LB | IGNITION PROTECTED
$5,760.00
SLEIPNER SEP40/125S-1IP PROPORTIONAL TUNNEL THRUSTER | 12V | 40KG/88LB | IGNITION PROTECTED
$5,760.00
Get it between July 29 and July 31.
Low in stock
✓ Used by Hundreds of Customers
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At MarineXGear, we are proud to have the best refund and return policies in the industry. If you’re not satisfied with your purchase for any reason, you may return it to us within 30 days for a refund.
If you have a problem with our order (there are missing components, damages, or the product is not functioning), please reach out to us as quickly as possible. Some of the problems can be resolved by going through the product manual or the product FAQs.
Refer to our Refunds & Return Policy for more details.
Order Processing
Once we receive your order, we will send you a confirmation email. Then we will process the order by confirming that the product is in stock and ready for shipment. If any of the items in your order are back-ordered, we will reach to you via email or phone and you may choose to either wait or receive a 100% refund.
Please allow 1-3 days for processing your order.
Shipping
We ship to the lower 48 continental United States only at this time.
Shipping times and shipping method will depend on the specific product and brand you purchase. If you have any shipping question, feel free to ask on the chat or email us at info@marinexgear.com.
We will send tracking information by email the same day the shipping tracking number is created/available.
Before you sign the shipping bill, please THOROUGHLY INSPECT YOUR ITEM. Signing for the receipt of a damaged product removes the liability of the shipping company and MarineXGear. Once you accept your shipment as non-damage, your item is your property.
SLEIPNER SEP40/125S-1IP PROPORTIONAL TUNNEL THRUSTER | 12V | 40KG/88LB | IGNITION PROTECTED
Unlock smooth, throttle-exact docking precision in a compact, fully sealed, ignition-protected package designed for standard 12V vessels. The Sleipner Side-Power SEP40/125S-1IP is a high-performance 12V proportional tunnel thruster engineered for boats from 26 to 34 feet. Delivering a dependable 40 kg (88 lbs) of lateral thrust through a narrow 125mm (5-inch) tunnel, this unit features factory-standard S-Link™ Proportional Control. Instead of sudden full-blast "on/off" bursts, it allows you to gently feed in power via a throttle joystick for whisper-quiet, pinpoint control over your bow or stern.
The IP (Ignition Protected) rating means the 3 Hp electric motor and internal relays are hermetically sealed inside a specialized composite housing. This layout safely isolates all electrical parts from fuel vapors or harsh bilge environments, making it legally compliant and completely safe for installation in gasoline engine compartments, fuel tank lockers, or highly damp bilge spaces.
Key Features:
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True Proportional Power (S-Link™): Offers exact, metered variable speed control. Apply a gentle, quiet 10% nudge to smoothly hold position at the slip, or throttle up to 100% power to confidently fight crosswinds and tearing currents.
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Ignition Protected (IP) Certified: Hermetically sealed to prevent fuel vapor ignition (ISO 8846 & UL 1500 compliant). It is fully safe for gasoline-powered motorboats and provides an airtight shield against corrosive bilge moisture.
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Compact 125mm (5'') Tunnel Diameter: Specifically engineered for smaller boats or vessels with narrow bow profiles where larger thruster tunnels physically will not fit.
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Maintenance-Free Sealed Gearleg: Features a factory-sealed gearleg pre-filled with specialized lifetime gear oil. Mechanical ceramic-on-carbon seals ensure zero leaks and absolute water tightness, completely eliminating the need for periodic gear oil changes.
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5-Blade Q-Prop™ Skew Propeller: Outfitted with an aerodynamically skewed composite single propeller that maximizes water flow velocity while reducing cabin cavitation noise and hull vibration by up to 75%.
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Intelligent Power Control (IPC): Sleipner’s patented smart monitoring firmware protects the internal relays, preventing instant directional shifts and automatically cutting power if an electrical fault or overheating occurs.
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Intelligent "Hold" Function: When paired with a proportional control panel, you can press the "Hold" button to lock in a specific thrust percentage—letting the thruster safely hold the boat against the dock single-handedly while you step off to secure mooring lines.
Specifications:
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Part Number: SEP40/125S-1IP
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Thrust Power: 40 kg (88 lbs) at 10.5V / 48 kg (105 lbs) at 12V
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Motor Output: 2.2 kW (3.0 Hp)
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Typical Vessel Size: 26 to 34 Feet (8 to 10.5 meters)
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System Voltage: 12V DC
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Tunnel Diameter: 125 mm (4.92'')
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Control System: S-Link™ Digital Bus (Variable Speed)
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Propulsion Type: Single 5-Blade Q-Prop™
Pro Tip: The compact 125mm tunnel diameter makes the SEP40 an incredible choice for boats with narrow structural constraints. Combined with the fully sealed housing, it provides one of the safest and most efficient upgrade paths available for modern 12V cruiser retrofits where space and safety are paramount.
Why Choose MarineXGear
At MarineXGear, we believe true peace of mind on the water starts with having the right equipment. Our mission is simple: to be the trusted destination for premium marine gear and dependable on-water solutions. Every product we carry — whether navigation systems, safety equipment, marine electronics, or boat accessories — is carefully chosen to help you perform at your best, stay safe, and get the most out of every voyage.
A+ Customer-First Approach
We're more than an online store — we're your partner on the water. Unlike large, impersonal retailers, our dedicated team delivers personalized guidance at every step. Whether you're outfitting a vessel for the first time, upgrading your gear, or need expert advice on a specific product, our specialists are always just a call or email away.
Passion for Wellness & Resilience
Our brand is built on a genuine love for the sea. We live and breathe marine equipment — and when you reach out to MarineXGear, you'll connect with experts who understand both the technical specs of our products and the on-water lifestyle they support.
Trusted Experts, Curated Brands
We partner directly with the most respected names in the marine industry. Our curated selection ensures every product meets our high standards for quality, durability, and performance on the water. With MarineXGear, you shop with confidence, knowing you're investing in proven gear backed by full manufacturer warranties.
More Reasons to Choose MarineXGear
- Price Match Guarantee – We’ll match any competitor to ensure you always receive the best value.
- Free Shipping – Enjoy free delivery on most orders across the lower 48 U.S. states.
- 100% Secure Ordering – Our platform uses SSL encryption to protect your information.
- Exclusive Packages & Volume Discounts – Customized solutions available for clinics, wellness centers, and large orders.
- Authorized Dealer – Every order is protected with full manufacturer support and warranties.
At MarineXGear, we're committed to keeping you safe, equipped, and confident on the water. With our expertise, personalized service, and carefully curated selection, you can invest in your vessel and your adventures with complete peace of mind.
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