Event recording
leakage protection
AC380V/690V
programmable DI and DO
Analog output
Anti-shaking function
+86-18702106858 / +86-21-69156352
The Acrel ARD3M is a comprehensive motor protection controller designed for low-voltage motors with rated voltages up to AC380V/690V. It features event recording, leakage protection, and programmable DI/DO for flexible control. The device supports anti-shaking functionality to ensure stable operation and includes analog output for monitoring purposes. With its robust protection mechanisms and versatile communication options, the ARD3M is ideal for various industrial applications, ensuring reliable motor management and efficient system integration.
| Technical parameters | Technical indicators | |
| Protector auxiliary power supply | AC85-265V/DC100-350V | |
| Rated working voltage of the motor | AC220V / 380V, 50Hz / 60Hz | |
| Rated operating current of the motor | 1 (0.1A-5000A) | Integrated/Split current transformer |
| 5 (0.1A-5000A) | ||
| 25（6.3A-25A） | ||
| 100（25A-100A） | ||
| 250（63A-250A） | Split current transformer | |
| 800（250A-800A） | ||
| Relay output contact capacity | Impedance load | AC250V、10A |
| Switching input | 8 channels of passive dry contact (active DC110V, DC220V, AC220V input can be optional) | |
| Communication | RS485 Modbus_RTU, Profibus_DP | |
| Environment | Working temperature | -10ºC～55ºC |
| Storage temperature | -25ºC～70ºC | |
| Relative humidity | ≤95﹪No condensation, no corrosive gas | |
| Altitude | ≤2000m | |
| Pollution levels | Class 3 | |
| Protection grade | Main body IP20, split display module IP54 (installed on the cabinet panel) | |
| Installation category | Level III | |
Rated Current 80A Directly
MID Certificated
High Accuracy Class C
35mm DIN Rail Mounted
Pulse Output
4 Modules 72mm Width
For IoT Energy Management, Factory, School
Split Core
Clamp on Installation
High Accuracy Class 0.5
150-1000A Input Current
5A/1A Secondary Output
Application: Renovation Projects
Event recording
Start control function
programmable DI and DO
Profibus-DP communication
Anti-shaking function
Analog output
Event recording
leakage protection
AC380V/690V
programmable DI and DO
Analog output
Anti-shaking function
Split Core
High Accuracy Class 0.5
Current Input 20-6000A
Current Output 5(1)A
Rectangular Hole Design
Measurement of current (I)
Application: Renovation Projects
Founded in 2003, Acrel Co., Ltd.【Stock Code: 300286.SZ】 is a high-tech enterprise specializing in energy management solutions and electrical safety. Headquartered in Shanghai, Acrel offers innovative and sustainable solutions for microgrid energy efficiency and electrical safety. With over 600 patents and software copyrights, Acrel has deployed more than 28,000 system solutions globally, forming a comprehensive "cloud-edge-end" energy internet architecture.
Acrel Co., Ltd. is China Wholesale AC380V/690V Leakage Protection Motor Protector with Event Recording Function Manufacturers and AC380V/690V Leakage Protection Motor Protector with Event Recording Function Factory. Acrel's integrated product ecosystem spans from cloud platform software to end-user components, covering sectors such as power, renewable energy, data centers, smart buildings, transportation, and smart cities. These solutions enable intelligent, real-time energy management, enhancing energy security and reducing operational costs. We offer AC380V/690V Leakage Protection Motor Protector with Event Recording Function for sale.
The company's production facility, Jiangsu Acrel Electric Manufacturing Co., Ltd., adheres to strict quality standards and environmental guidelines, with advanced testing centers and a commitment to lead-free production processes. Acrel's team of over 500 engineers delivers cutting-edge energy efficiency systems and smart energy solutions.
With a strong domestic presence, Acrel is actively expanding internationally, supported by a global network of sales and technical teams and an e-commerce platform that ensures seamless service experiences worldwide. Acrel is proud to help businesses improve efficiency, reduce consumption, and achieve sustainability goals.
Together, we are building a smarter, greener future.
Authorized Patents
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Number of Customers Served
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Total Employees
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Manufacturing Base
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Phone: +86-18702106858 / +86-21-69156352No.253 Yulv Road, Jiading District, Shanghai, PRC 201801
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