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Maytech Pro Electric Underwater Thruster Kit 7.6KW MTED70 Motor + Pro 300A ESC + V3 Remote + 300A Antispark Switch for Electric Tow Boogie Sea Scooter Efoil
Maytech Pro Electric Underwater Thruster Kit 7.6KW MTED70 Motor + Pro 300A ESC + V3 Remote + 300A Antispark Switch for Electric Tow Boogie Sea Scooter Efoil
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Maytech Pro Electric Underwater Thruster Kit MTED70 Motor + Pro 300A ESC + V3 Remote + 300A Antispark Switch for Electric Tow Boogie Sea Scooter Efoil
Wiring diagram and parameters display on remote:
If you want to display RPM and battery power bar and voltage %, please follow:
The ESC firmware had been updated since Aug, 2025.
Remote can display Voltage, RPM, Current by connecting TX and RX cable on receiver.
Settings in remote and Wiring for this kit:
| 1)Thr Mode: | Surfboard |
| --5) and 6) Batt Type and Batt Ser Num | Please set according to your battery. |
| 9) Data Source | MTSESC-WP32 |
| 10) M.Pole Pairs | 10 |
| 12) Gear Ratio | 1.0 |


1. MTSF300A-WP32-HVPRO Pro 300A ESC
Specification:
Model No.: MTSF300A-WP32-HVPRO
Waterproof Rank: IP68
Cont Current: 300A
Peak Current (at 10S): 320A
Input Voltage: 10-20S Lipo (32V-85V) in this kit
Cable Guage: 6AWG
Max ERPM: 200000
32BIT Micropprocessor
Application: Efoil, electric surfboard, electric hydrofoil, underwater thruster, ROV, electric outboard, elcetric sup board, underwater robots, trolling mtor system, bow thruster, underwater jetpack, etc.,
Click here to check E-manual
How to program the ESC or update firmware with Bluetooth module?
Click here to download Bluetooth model firmware
How to program the ESC with Bluetooth Module?


2. MTED70 Inrunner Waterproof Motor with Propeller and Propeller Guard
| Model No. | MTED70 |
| KV | 103 |
| Shaft | Screw Shaft |
| Input Voltage | 6-12S Lipo (20V-50V) |
| Waterproof Rank | IP68 |
| Current | 137A at 48V |
| Max Output Power | 6576W at 48V |
| Pole Number | 6 poles |
| Max Torque | 14N.m at 48V |
| Max Thrust | 56.9kg at 48V |
| Propeller Material | Nylon + Carbon Fiber Composite |
| Propeller Guard | With |
| Connector | 8.0mm male gold-plated bullet connector |
| Hall Sensor | Without |
| Customize | KV, logo, shaft, cable, connector, cover, case, etc., contact eileen@maytech.cn |


3. Remote: V3.0 MTSKR1905WF IP67 Waterproof Remote for Esurf, with PWM & UART Receiver
| Model No | MTSKR1905WF V3.0 |
| Waterproof Rank | IP67 double waterproof |
| Thr Mode | ESURF (SF) and ESK8 (SK) |
| 3 Speed Modes | With, adjust throttle % from 20-100% |
| Power Modes | 2 levels, Eco (Level 1) < Pro (Level 2) |
| Throttle Lock | Yes, 10-30S optional |
| Signal Format | Support Standard PWM (PPM) and UART, output range from 10%-20%, which correspond to ESC/VESCTOOL Compatible controller throttle output range from 0%-100%. |
| PWM Signal Output Range | 1ms-2ms for throttle no brake in Esurf mode; 1.5ms-2ms for throttle, 1.5ms-1ms for brake in Esk8 mode. |
| Double Source Power Supply | Accept 5V power by ESC built-in BEC or extra 5V power |
| Output Signal | Max 3.3V |
| Display Parameters |
Current, voltage, temperature only when work with VESC or Maytech MTSF300A-WP32 ESC; |
| Control Pump | Yes (Relay Switch) |
| Control Light | Yes (Transistor Switch) |
| Safety Button | Support |
| Cruise Control | With in Esurf Mode |
| Brake | With in Esk8 Mode |
| Accessories | Wirelss charging pad / Receiver / USB cable / Wristband / 3pcs Dupond cable |
| Compatible Controllers | VESC/ Focbox/ Other PWM ESCs that has same signal output range with the remote. |



4. MTS2009AS Antispark Switch
| Model No. | MTS2009AS |
| Max Current | 300A |
| Input Voltage | 6-20S Lipo (25-85V), recommend better work under 75V |
| Swith Diameter | 12mm |
| Switch Type | NMOS to realize switching on/off Power positive |
| Waterproof | No, please keep the switch in dry space |
| Connector | With 4pcs Cold-pressed Terminal Connector |
| Function | Protect your controller and power supply system when brake or startup |
| Application | Electric surfboard, efoil, foilboard, jetski, jetboard, jetsurf, motorized hydrofoil, motorcycle, fighting robots, lawnmower robot, Electric mountainboard, ATV, motor bike, Airplane, VTOL, UAV, Dronesetc., |
| Features: | Switch comes with LED light indicator; Shutdown current less than 1uA; Suitable for load: three phase motor speed controller; Boot soft start; Automatic short circuit protection when boot; Automatic short circuit protection when work. |



5. Water Pump

Advice after usage:
1. To expand the products life, please better wipe off the waters on the products and keep them for all dry after everytime use.
2. For this kit of the ESC, because the motor is sensorless, suggest to use the default value in the ESC, we have tested the kit before shipment with the default value, do not suggest to modify the values.
If you have other requirement on motor KV, ESC or other questions, please contact us at eileen@maytech.cn .
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