KT Waterproof E-Bike Controller 36V/48V – 14A to 35A Brushless Motor C

General Details

The KT Waterproof E-Bike Controller is a reliable brushless motor controller designed for electric bikes using the KT communication protocol. Available in multiple current ratings from 14A to 35A, it supports motors ranging from 250W to 1500W, making it suitable for a wide variety of e-bike builds and upgrades.

Designed for smooth motor control and dependable performance, the controller features waterproof connectors and an integrated light function for enhanced compatibility with modern electric bike systems.

Please Note: This controller is only compatible with KT displays that use the same communication protocol.

Dimensions

Model	Dimensions	Weight
KT-14A	71 × 39 × 27 mm (2.8 × 1.54 × 1.06 in)	-
KT-16A	80 × 51 × 30 mm (3.1 × 2.0 × 1.2 in)	-
KT-26A	126 × 65 × 38 mm (4.9 × 2.6 × 1.5 in)	-
KT-30A	170 × 82 × 41 mm (6.7 × 3.2 × 1.6 in)	0.50 kg (1.11 lb)
KT-35A	170 × 80 × 40 mm (6.7 × 3.2 × 1.6 in)	-

Performance

The KT controller delivers smooth, efficient power management for brushless e-bike motors while supporting a range of power outputs to suit different riding styles and motor configurations.

Available Models

Model	Rated Power	Rated Voltage	Rated Current	Maximum Current
KT-14A	250W	36V / 48V	7A	14A ±1A
KT-16A	350W	36V / 48V	8A	16A ±1A
KT-26A	500W / 750W	36V / 48V / 52V	13A	26A ±1A
KT-30A	1000W	36V / 48V	15A	30A ±2A
KT-35A	1500W	36V / 48V / 52V	17A	35A ±1A

Additional specifications include:

Brushless motor compatibility
Low-level brake input
Speed signal: 1 to 4.2V
Waterproof wiring connectors
Integrated lighting function

Safety and Features

Designed for dependable long-term operation, the KT controller uses multiple MOSFET configurations depending on the model to provide efficient power delivery and thermal performance.

MOSFET configuration:

KT-14A: 6 MOSFETs
KT-16A: 6 MOSFETs
KT-26A: 9 MOSFETs
KT-30A: 12 MOSFETs
KT-35A: 12 MOSFETs

Waterproof connectors improve durability in wet riding conditions, while low-level brake input supports rapid motor cut-off for improved riding safety. The integrated light output simplifies wiring for compatible e-bike lighting systems.

This controller is ideal for replacing or upgrading existing KT systems while maintaining compatibility with supported KT displays.