Item #883537

Sleipner Side-Power SE40/125S DC Thruster (On/Off)

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Sleipner Side-Power SE40/125S DC Thruster (On/Off)

Item # 883537


The SE40 is a compact electric tunnel thruster with 40kg of thrust. It is small enough to fit boats as little as 20 feet. It is fitted either in a tunnel through the boat's bow or into a stern tunnel at the boat's stern using a stern thruster kit (sold separately).


  • Manufactured by Sleipner Motor, the market leader
  • Standard, single speed (ON / Off) bow or stern thruster
  • Fitted in a tunnel through the bow, or into our stern tunnels to use as a stern thrusters
  • Provides safe, reliable, maintenance-free performance
  • Sealed gearleg for easy installation and a powerful purpose-built electric motor
  • Boat builders worldwide choose Side-Power for reliability, ease of installation and unrivalled safety features
  • 5-bladed composite propellers
  • Safety:
    • Safety features protect against technical and operator errors
    • No overheating of electric motor
    • Mechanical protection of drive gear
    • Electronic protection against sudden change of drive direction
    • No accidental operation from child-safe on/off and automatic deactivation
    • IPC comes standard on all DC electric thrusters to reduce solenoid wear and the risk of lock-in
  • Reliability:
    • In-house manufacturing and assembly
    • Engineering through experience
    • Use of superior materials
    • Controlled quality of every supplied part
    • 2-Year limited warranty
  • Installation
    • Side-Power's close co-operation with major boat builders results in easy installation
    • Compact-sized units
    • "Plug and Go" electric wiring
    • Easily accessible battery cable terminals
    • Fast and safe propeller mounting with locknut
    • Professional and solid GRP stern thruster kits
    • Easy access zinc anodes


  • Thrust @ 10.5VDC: 88 lbs (40 kg)
  • Thrust @ 12VDC: 105 lbs (48 kg)
  • Approx. boat size: 26 - 34' (8-10.5 m)
  • Tunnel Dia. (I.D.): 4.92" (125 mm)
  • Propulsion system: Single
  • Power @ 10.5V: 3 hp. (2.2kw)
  • Voltage: 12VDC
  • Minimum battery capacity: 570 CCA SAE
  • Recommended fuse size: 250A (SMANL250)
  • Manufacturer: Side-Power
  • Min depth to top of tunnel: 3.70" (94mm)
  • Min depth to center of tunnel: 7.40" (188mm)

Additional items to consider when purchasing a new thruster : (Sold separately)

  • Bow tunnel or stern tunnel
  • Control panels and remote controls
  • Automatic main switch, battery disconnect, fuse & fuse holder
  • 4-Wire harnesses (when not using an automatic main switch)
  • 5-Wire harnesses (for use with an automatic main switch)

Part Numbers for Sleipner Side-Power SE40/125S DC Thruster (On/Off)

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