12V-72V Brushless DC Motor Controller for 12/24/48/72V BLDC Motor

4.5 out of 5 based on 2 reviews | Write a review

$289.68

Brushless DC motor controller with speed and torque control, supporting RS485 and CAN bus communication. Features PWM and I/O inputs, temperature monitoring, and overload protection. Compatible with DC 12/24/36/48/72V BLDC motors for industrial automation applications.

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SKU: ATO-BLDC-C30100A

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Overview
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This BLDC motor controller is designed for industrial automation, providing precise speed and torque control with flexible I/O, PWM, and RS485/CAN communication for easy system integration. Supports wide DC 12–72V operation with overload protection for stable performance.

Specification

Model	ATO-DBLDX-30A485S	ATO-DBLDX-50A485S	ATO-DBLDX-100A485S
Rated Current	30A	50A	100A
Rated Input Voltage Range	DC +12V (Customizable) DC +24~72V (Controller input voltage = motor rated voltage ±10%)
Operating Temperature Range	-40–80℃
IO Input	Supports NPN, PNP NPN: 0V is low, 5~24V is high, current 20mA PNP: 13V high output, low to ground
IO Output	Open Drain NPN Output Voltage: not exceed 30V, Current: 500mA
SV Input Characteristics	DC 0~5V range or DC 0~10V range Deadband voltage adjustment range: 0.2~1.0V Input internal resistance: 100k
PWM Input Characteristics	Frequency range: 1~10kHz (50% duty cycle) Duty cycle range: 0~100% (100Hz~1000Hz) Signal voltage: DC 5~24V
Carrier Frequency	10~20kHz
485 Communication Parameters	ID: 1~255 Baud rate: 9600 / 19200 / 38400 / 57600 / 115200 bps
CAN Communication Parameters	ID: 0~255 Baud rate: 125 / 250 / 500 kbps
Load	150% of rated current Overload duration: 30~1s (at 150% rated)
External Temperature Sensor	Customizable ntc = mf52-103f-3435-55I
Control Method	Torque Loop (Open Loop) Speed Loop (Close Loop)
Acceleration and Deceleration Times	0.5~16s motor without load
Overheating Protection	Inside the driver: +85℃
Protection Class	IP65 (DB series only)
Debugging Software	Universal Brushless Motor Control APP
Weight	2kg

Feature

Dual Control Modes: Brushless DC motor controller supports both speed control and torque control for flexible brushless DC motor driver applications.
Multiple Signal Inputs: Compatible with PWM and NPN/PNP I/O signals for easy system integration.
RS485 Modbus RTU & CANBus Communication: BLDC motor controller enables reliable industrial communication with PLC, HMI, AGV, and automation systems.
Wide Voltage Range: Works with DC 12–72V BLDC motors, suitable for pumps, fans, conveyors, and robotics.
Intelligent Protection: Brushless DC motor driver includes over-temperature protection, overload capability up to 150% rated current, and alarm history with fault code output.
Flexible Motion Control: Supports segment speed control, JOG mode, holding brake function, and adjustable acceleration/deceleration.

Size (unit: mm)

Brushless DC motor controller 12v-72v size

Model	A	B	C	D	E	F
ATO-DBLDX-50A485S	200	56	10	186	70	120
ATO-DBLDX-100A485S	200	58	12	186	82	132

Installation

BLDC motor controller 12v-72v installation

Tips: What are the precautions for safe motor controller installation?

Disconnect power before wiring and remove connectors from the brushless DC motor controller when necessary. Ensure each connector socket contains only one wire, prevent stray wire strands from causing short circuits, and insulate all power terminal connections. Install circuit breakers for protection, avoid excessive cable stress or crushing, and use a power filter to reduce electromagnetic interference (EMI) for stable operation.

PDF:

12V-72V BLDC Motor Controller (ATO-DBLDX Series) User Manual

Existing reviews of 12V-72V Brushless DC Motor Controller for 12/24/48/72V BLDC Motor

Dependable controller for fan applications

I used this on a fan for a ventilation system. The 30A version is a good match for the fan load. The PWM input from our existing controller works without issues. The controller runs quietly. A reliable unit.

From: Iris | Date: 23/08/2026

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Smooth Control and Reliable Protection

Since switching to this controller, our conveyor system has been operating more smoothly with fewer interruptions. The control signals respond quickly, and the overload protection has proven valuable when equipment experiences sudden load changes.

From: Olivi | Date: 02/08/2026

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