KT 45A Sine Wave WP
Waterproof KT sine wave controller for 1000-2700W e-bike conversions. 18-FET design with IP65 waterproof rating supporting 36V, 48V, and 52V batteries. The first KT controller with true weather protection — sealed housing and waterproof connectors throughout. Uses XT90 battery connector for higher current capacity. The largest standard-voltage KT controller at 234mm. Programmable via KT-series displays.
In brief: 36–52V controller. 22A continuous. 45A peak. Sinewave, dual mode, regen support.
Specs verified Jun 23, 2026
Reviews
No reviews yet — be the first to share your experience.
Sign in with Google to leave a review.
Specifications
Type
- VESC Based
- No
- Cooling
- Air
Electrical
- Voltage Range
- 36–52V
- Continuous Amps
- 22A
- Peak Amps
- 45A
Motor Features
- Regen Support
- Yes
- Drive Mode
- Sinewave
- Sensor Mode
- Dual Mode
- Field Weakening
- No
- Self-Learning
- No
- Dual Motor Support
- No
- Controller Pairing
- No
Inputs
- Throttle Support
- Yes
- PAS Support
- Yes
Display
- Supports Display
- Yes
- Requires Display
- No
- Protocols
- KT (Kunteng)
Power Switch
- Supports Power Switch
- No
- Requires Power Switch
- No
- Requires Pre-charge
- No
Programming
- Via Display
- Yes
- Via Phone
- No
- Via PC
- No
Physical
- Weight
- 879 g
- Dimensions (L×W×H)
- 234mm × 80mm × 40mm
Ports & Connectors
Battery Input
Power
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | Battery + |
| 2 | Black | Battery - |
Hall Sensor
Hall SensorTemperature
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | Black | Ground |
| 3 | Yellow | Hall A |
| 4 | Green | Hall B |
| 5 | Blue | Hall C |
| 6 | White | Motor Temp |
Display
UARTDisplay
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | Battery + |
| 2 | Black | Ground |
| 3 | Blue | UART RX |
| 4 | Green | UART TX |
| 5 | Yellow | High Beam |
Throttle
Throttle
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | Black | Ground |
| 3 | Green | Throttle Signal |
PAS
PAS
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | Black | Ground |
| 3 | Yellow | PAS Signal |
Brake
Brake
| Pin | Wire color | Function |
|---|---|---|
| 1 | Black | Ground |
| 2 | Orange | Brake Signal (Low) |
