• CubeMars TW-40A-12S electronic speed controller (ESC) top label view with 6–12S LiPo marking
  • CubeMars TW-40A-12S ESC opposite side view showing CubeMars logo plate and power leads
  • CubeMars ESC horizontal view with CubeMars logo and wiring harness on both ends
  • Angled side view of CubeMars ESC housing showing finned case, corner screws, and wire exits
  • Angled end view showing two brass bullet motor connectors and attached leads on CubeMars ESC
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CubeMars TW-40A-12S Electronic Speed Controller (ESC), IP67 Waterproof, 6-12S Serial, Fwd/Rev

CubeMars TW-40A-12S Electronic Speed Controller (ESC), IP67 Waterproof, 6-12S Serial, Fwd/Rev

CubeMars

$269.00 USD
$269.00 USD
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Overview

The CubeMars TW-40A-12S electronic speed controller (ESC) is a TW electronic speed controller designed for SW/DW series underwater thrusters. It features high-efficiency square wave control technology for powerful thrust and rapid response to adapt to complex underwater flow conditions, along with an IP67 waterproof rating.

Key Features

  • IP67 waterproof rating with a fully sealed, pressure-resistant structure; withstands deep-sea high pressure and seawater corrosion for stable operation in deep-water environments.
  • Proprietary smart switching algorithm for seamless forward/reverse transitions to enhance control precision and smoothness, and to help ensure smooth and stable motor start.
  • Smart motor status monitoring that protects against abnormal signals such as overcurrent, overvoltage, stall, and throttle loss, helping reduce failure rates and extend service life.
  • Bidirectional motor rotation control via throttle midpoint at 1500 us.
  • Serial communication mode.

Specifications

Applicable models SW7 / SW12 / DW10 / DW15
Size 78*30*19.9mm
Single unit weight 90.33g
Package dimensions (includes dual ESCs) 140*137*77mm
Wiring harness description Power cable (input): Red (positive), Black (negative)
Three-phase cable (output): 3 x Black
Signal cable x1
Serial cable x1
Input(V) 6-12S
Throttle range (with throttle midpoint at 1500 us) 1000us-2000us
Bidirectional motor rotation 1000us-1500us Forward / 1500us-2000us Reverse
Communication mode Serial

Manuals

For pre-sales compatibility questions (SW7 / SW12 / DW10 / DW15), wiring guidance, or serial control setup assistance, contact support at https://rcdrone.top/ or email support@rcdrone.top.

Details

CubeMars TW-40A-12S underwater thruster ESC with IP67 waterproof sealed housing (TW Electronic Speed Controller)

Designed for SW/DW series underwater thrusters, the TW-40A-12S ESC uses efficient square-wave control for fast, responsive thrust control in changing water conditions.

CubeMars TW-40A-12S ESC close-up highlighting IP67 waterproof, pressure-resistant sealed enclosure for underwater use

An IP67 waterproof, fully sealed structure helps protect the controller in deep-water environments and resist seawater exposure.

Graphic highlighting proprietary smart switching algorithm for smooth forward/reverse transitions and stable motor start

A proprietary smart switching algorithm enables smooth forward/reverse transitions to improve control precision and startup stability.

Smart motor status monitoring protection graphic for the TW-40A-12S ESC, covering overcurrent, overvoltage and stall faults

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