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Max Power Electric Tunnel Thruster CT225
Max Power Electric Tunnel Thruster CT225
Max Power Electric Tunnel Thruster CT225 Diagram

Thruster only

24V option only

Ultimate thrust 195kgf

via 250mm Ø Tunnel

Power: 14.96kW / 20hp

DUO = Twin 6 Blade propellers

For boats up to 22.5 metres in length, see windage and displacement size chart below


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Max Power are world renowned manufacturers at the forefront of innovative technology in the production of robust, dependable bow thrusters for sailing yachts and motor boats.

The CT225 is available with a 24 volt power supply has the best thrust capacity rating on the market delivered via twin 6 blade propellers (Duo) through a 250mm tunnel.

Max Power advise that the CT225 is generally suitable for motor boats and sailboats up to approximately 22.5 metres length overall, see chart below with more information relating to displacement and windage.

Max Power boat sizing category chart

Motor Heavy Displacement, High Windage Medium Displacement and Windage Light Displacement and Windage
Sail Cruising Fast Cruising Super Fast Cruising
LOA 13.5-17.5 metres 17-21.5 metres 18.5-22.5 metres

LOA = Length Overall

Max Power CT125 electric tunnel thrusters are an innovative, composite drive leg design, with twin (Duo) 6 blade propellers, integrating all the unique features common to the Max Power electric tunnel thruster range, resulting in enduring reliability.

Included in the box, CT225 Thruster only:

Thruster only means just the thruster unit as per the picture

CT225 compatible Max Power Accessories, NOT included in the box:

  • Single Joystick, part number 318202
  • Fuse Holder, part number 35018
  • Compatible Fuse 35027
  • Battery Isolator, recommended to validate your MAX Power warranty, part number 318400
  • Fibreglass tunnel, 250mm diameter, available in lengths from 1.0 - 2.5 metres e.g. 1 metre part number 42553
  • Cable, available to purchase by the metre, part number 312781

N.B. professional installation is recommended

Max Power CT225 Facts, Features and PLUS Factors:

  • Simple, trouble free installation
  • Boat Length: 13.5-22.5 metres approximate length overall 
  • Zero maintenance
  • Patented composite drive legs
  • Case hardened spiro-conical gears
  • Line shields
  • Purpose-built DC motors
  • Electronic control boxes are an industry leading safety factor
  • Safe, high-power electrical circuit connections
  • Purpose-built high specification DC contactors
  • All Max Power electric tunnel unique features included
Max Power CT100 Electric Tunnel Specifications
Boat Length Power Power Supply Thrust Propeller Propeller Blades Tunnel Diameter Weight
up to 22.5 metres 14.96kw / 20hp 24V 195Kgf Twin 6 250mm 37kg

Max Power Drawing CT35

CT225 Dimensions:
270mm 200mm 405mm 250mm 7 to 8mm

D = Tunnel internal diameter
E = tunnel wall thickness

Max Power Advisory

* Thrusters are designed to run at 10.75V on 12V units and 22V on 24V units. Higher voltages will result in higher thrust ratings, higher power consumption, and a reduced duty cycle.

* Performance data is given for a thruster installed at an immersion depth of one tunnel’s diameter, in a tunnel no longer than twice the tunnel’s diameter, and this within a variation of + / - 6%.

Longer tunnels will result in lower thrust ratings and higher power consumption.

  • Boat Size - up to 22 metres
Max Power Fuse Holder
Max Power Fuses

Max Power Fuses

Max Power Touch Control Panel
Max Power Fibreglass Bow Thruster Tunnels
Max Power 6 core loom signal cable
View +
Max Power Thruster Relay Assembly
Max Power Electronic Controller
View +
Max Power Wireless Remote Control
View +
Max Power Battery Cut-Off Switch
Max Power Bow Thruster Replacement Motor Diagram
Max Power Fibreglass Tunnels - 1 - 1.50 metre
Max Power Bow Thruster Replacement Parts Diagram

Max Power CT225

Installation, Spare Parts and Troubleshooting Guide

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