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High-power FOC sine wave controller for 48-72V hall-sensor motors rated at 3-5 kW. Delivers 190A continuous DC current and 450A peak phase current. Features self-learning motor parameter detection, field weakening for higher RPM, and regenerative braking. IP67 waterproof rating. F2/S24 housing with 24 FETs. Gen 2 30-pin function connector with CAN bus support. Programmable via Bluetooth (Andro4A app for Android and iOS) and PC (USB cable). Compatible with QS Motor and other BLDC hall motors.

In brief: 48–72V controller. 190A continuous. FOC, dual mode, regen, field weakening, self-learning support. From $111 across 5 sellers.

Specs verified Jun 17, 2026

Price History

Price History
Price changes tracked by the crawler

Current best price $152.03. Over the past 90 days: low $152.03, high $152.03, average $152.03 — about average.

  • AliExpress - AliExpress - Zhejiang Siaecosys Technology Co., Ltd. Store
Jun 17$150.00$151.00$152.00$153.00$154.00
All Records
1 price record in this period
DatePriceShippingTotalChangeCouponRatingSalesIn StockStatus
AliExpress - AliExpress - Zhejiang Siaecosys Technology Co., Ltd. Store(1 record)
Jun 17, 202609:12 AM$152.03$45.48$197.51Initial———Yesactive

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Specifications

Type

VESC Based
No
Cooling
Air

Electrical

Voltage Range
48–72V
Continuous Amps
190A
Max Phase Amps
450A

Motor Features

Regen Support
Yes
Drive Mode
FOC
Sensor Mode
Dual Mode
Field Weakening
Yes
Self-Learning
Yes
Dual Motor Support
No
Controller Pairing
No

Inputs

Throttle Support
Yes
PAS Support
No

Display

Supports Display
Yes
Requires Display
No
Protocols
SiAECOSYS ONE-LIN, SiAECOSYS CAN BUS

Power Switch

Supports Power Switch
Yes
Requires Power Switch
No
Requires Pre-charge
No

Programming

Via Display
No
Via Phone
Yes
Via PC
Yes

Physical

Weight
2.1 kg
Dimensions (L×W×H)
189mm × 121mm × 65mm
IP Rating
IP67

Ports & Connectors

Power Input2-position Screw Terminal Block
Power
PinWire colorFunction
1RedBattery +
2BlackBattery -
Phase Wires3-position Screw Terminal Block
Motor Phase
PinWire colorFunction
1YellowPhase A
2GreenPhase B
3BluePhase C
30-Pin Function Connector
Hall Sensor
TemperatureHall Sensor
PinWire colorFunction
1Red5V Power
2WhiteMotor Temp
3BlackGround
4BlueHall C
5GreenHall B
6YellowHall A
Door Lock1 wire
Power Switch
PinWire colorFunction
1OrangeE-Lock / Ignition
Display (ONE-LIN)
Display
PinWire colorFunction
1Light BlueOne-Wire Comm
High/Low Speed
Display
PinWire colorFunction
1Yellow / WhiteGear High
2BlackGround
3Blue / WhiteGear Low
Backward Gear
Display
PinWire colorFunction
1Brown / WhiteReverse Signal
2BlackGround
Cruise/BOOST
BrakeDisplay
PinWire colorFunction
1Blue / RedParking / E-Brake
2BrownGear Sport
Throttle
Throttle
PinWire colorFunction
1BlackGround
2Green / WhiteThrottle Signal
3Red / White5V Power
Brake (High 12V)
Brake
PinWire colorFunction
1GrayBrake Signal (High)
Brake (Low 0V)
Brake
PinWire colorFunction
1BlackGround
2Yellow / GreenBrake Signal (Low)
Speed Pulse
Speed Sensor
PinWire colorFunction
1PurpleSpeed Signal
Programming Port
UART
PinWire colorFunction
1Brown / Green5V Power
2Red / BlackUART RX
3Brown / BlueUART TX
4BlackGround
CAN High1 wire
CAN Bus
PinWire colorFunction
1Yellow / RedCAN High
CAN Low1 wire
CAN Bus
PinWire colorFunction
1Brown / YellowCAN Low
Alarm Power
security
PinWire colorFunction
1BlackGround
2PinkAlarm Power
Anti-theft
security
PinWire colorFunction
1OrangeAnti-Theft Key
2Black / WhiteAnti-Theft Signal
3Brown / RedWheel Signal
Main Connector

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