Thruster, SEP40/125S-1IP Side Power 12V/3HP

SEP40 Tunnel thruster, 12V-IP

The SEP40/125S-1IP is a Side Power SEP40/125S proportional thruster built for stern applications where installation space is tight, a 12V system is already in place, and ignition-protected equipment is required. Designed as a tunnel thruster, it combines a small physical format with speed-controlled thrust response.

This model delivers 40 kg, or 88 lb, of thrust through a 125 mm tunnel and uses a 3 HP motor platform. It is configured with speed control rather than simple on/off switching, giving the operator more measured control during close-quarters stern maneuvering. Ignition-protected construction is central to the product, and the compact format makes it especially relevant for installations where available stern space is limited.

The SEP40/125S-1IP is suited to boats that need stern maneuvering assistance in a very compact tunnel format without moving away from a 12V electrical system. Its small diameter, controlled response, and ignition-protected design define its place within the Side-Power range. For owners and installers looking for a compact 12V proportional stern thruster with ignition protection and a 125 mm tunnel requirement, this model keeps the specification focused and practical.

Marine Thruster 3 HP Side Power Speed Control Ignition SEP40/125S-1IP 12V Marine Thruster 3 HP Side Power Speed Control Ignition SEP40/125S-1IP 12V Marine Thruster 3 HP Side Power Speed Control Ignition SEP40/125S-1IP 12V Marine Thruster 3 HP Side Power Speed Control Ignition SEP40/125S-1IP 12V Marine Thruster 3 HP Side Power Speed Control Ignition SEP40/125S-1IP 12V

Side-Power General Features:

  • Built for outstanding performance, you can rely on your Side-Power bow thruster or stern thruster year after year
  • Boat builders all over the world are choosing Side-Power for reliability, ease of installation and unrivalled safety features
  • This commitment to quality has made the new range of Side-Power thrusters manufactured by Sleipner Motor the market leader
  • Performance
    • The high performance of a Side-Power thruster is a result of their continuous efforts in product development and testing. propulsion technology know-how 5 bladed composite propellers purpose-built high power electric motors improved water flow from streamlined gearhouse design
  • Safety:

    • Side-Power thrusters include several features to ensure the safety of your boat and its passengers
    • These 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 hence reducing solenoid wear and the risk of lock in
  • Reliability:

    • The quality of a Side-Power thruster is always one step ahead
    • In house manufacturing and assembly
    • Engineering through experience
    • Use of superior materials
    • Controlled quality of every supplied part
    • 2-Year limited warranty
  • Installation

    • Through their extensive experience and close co-operation with major boat builders we know how important a correct installation is for the thruster system
    • Therefore they have made all the preparations to ensure that it is easy to install a Side-Power correctly
    • 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

The Speed Controlled Thrusters ( SEP Series ) Features:

  • The SEP series are basically SE thrusters with the addition of the DC Power control system
  • Providing even more accurate control by fully regulating the power of the thruster as well as providing even longer run times, this is the latest in DC electric thrusters
  • The noise reduction and automatic “Hold” function are further benefits provided by the SEP series
  • Powerful single speed thrusters can, in light weather conditions, be a bit difficult to use as they push the boat too fast
  • The solution is to fit the new Sidepower DC Power Controller which enables proportional speed control of a DC electric thruster
  • By also controlling the thruster’s power, you get even more precise handling of the boat in all conditions
  • Another great advantage is that when you run the thruster at less than full power, the usable run time is extended, with close to continuous usage being possible when you are running the thruster at less than 50% of full power (percentage of thrust with continuous duty depending on thruster model)

Specifications:

Thrust at 10,5/21V* (kg)

40

Thrust at 12/24V* (kg)

48

Typical boat size (ft • m)

26’ – 34’ • 8 – 10.5

Tunnel I.D (mm)

125

Propulsion

Single

Power at 10,5/21V* (kW • Hp)

2.2 • 3

For DC system (V)

12

Weight (kg • lbs)

11 • 24

Min. battery capacity (CCA**12/24V)

300

Control system

Analog

* All Side-Power thrusters gets their thrust rating from the actual performance you can expect in a boat – at the voltage a normal installation will provide at the thruster. We have choosen to use the net performance at 10.5V/21V, but we also list the effect at 12/24V for comparison

** All battery CCA ratings are stated with the DIN rating, multiply by 1.9 to to get the SAE equivalent (at 0ºF, ABYC standard)

Measurements Tunnel Thruster:

Measurements Tunnel Thruster, Side Power

A (mm · in) 125 · 4,96
B (mm · in) 245 · 9.6
C (mm · in) 226 · 8.9
D (mm · in) 230 · 9.1
E min (mm · in) 125 · 4.9
F (mm · in) 92 · 3.60
F recommended (mm · in) 184 · 7.25
G min. (mm · in) 4 · 0.16
G max. (mm · in) 5 · 0.20   

 

Measurements Stern Thruster (Stern tunnel kit sold separately)

Measurements Stern Thruster, Side Power

I (mm · in) 220 · 8.66
II (mm · in) 190 · 7.48
III min. (mm · in) 135 · 5.31
IV max. (mm · in) 14 · 0.55
V (mm · in) 160  · 6,3
VI (mm · in) 217 · 8,5
Tunnel length (mm · in) 197  · 7,76
Marine Thruster 3 HP Side Power Speed Control Ignition SEP40/125S-1IP 12V
Weight 50 lbs
Dimensions 28 × 18 × 18 in
Voltage

Horse Powers (Model)

Typical boat size

Tunnel inner diameter

Speed Control

Proportional

Features

Ignition Protected

Power Supply

12V

Tunnel Diameter

125mm (5")

Boat Size

26-34 ft

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