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
Resistance monitoring
Over-voltage and under-voltage alarm
Warning and alarm
LED indication/LCD display
3 channels relay output
Event record
+86-18702106858 / +86-21-69156352
AIM-D100-TH DC insulation monitor is designed for 10-1000V DC systems. It ensures power supply safety by continuously monitoring insulation resistance in IT systems. It warns of potential issues when insulation resistance falls below set values, making it ideal for applications like power plants, substations, EV chargers, UPS, and solar systems.
| Technical Parameter | Technical Specifications | |
| Auxiliary power | DC 12~36V | |
| Maximum power consumption | ≤6W | |
| Voltage monitor | Voltage range | AIM-D100-TH: DC 100~1000V; |
| AIM-D100-TL: DC 10~100V | ||
| Accuracy | 0.5 | |
| Overvoltage threshold | ≥ Rated Voltage * 120% | |
| Undervoltage threshold | ≤ Rated Voltage * 80% | |
| Insulation monitoring | Insulation resistance range | 1kΩ~10MΩ |
| Warning and alarm range | 10kΩ~10MΩ | |
| Accuracy | 1~10kΩ: ±1k; 10k~500k: ≤3% | |
| System leakage capacitance | ≤5μF | |
| Monitoring method | Cycle trigger: 5~500s delay can be set; | |
| Communication trigger: read on demand | ||
| Insulation monitoring speed | 500ms/cycle; 1000ms/cycle | |
| Internal DC impedance | <1MΩ | |
| Alarm method | LCD, LED indicator, relay output | |
| Alarm output | 3 relay outputs, N/O or N/C can be set | |
| Contact capacity | AC 250V 5A; | |
| DC 30V 5A | ||
| Fault Record | 20 fault records | |
| Communication | RS485 interface, Modbus-RTU protocol | |
| Installation | DIN-rail installation | |
| Protection level | IP30 | |
| Environment | Operating temperature | -20~+60℃ |
| Storage temperature | -25~+75℃ | |
| Relative humidity | <95%, without condensation | |
| Altitude | < 2000m | |



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 AIM-D100-TH DC Din Rail Insulation Monitoring Device IMD with LCD Display Manufacturers and AIM-D100-TH DC Din Rail Insulation Monitoring Device IMD with LCD Display 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 AIM-D100-TH DC Din Rail Insulation Monitoring Device IMD with LCD Display 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
0+Number of Customers Served
0+Total Employees
0+Manufacturing Base
0m²GUANGZHOU, CHINA – Acrel is pleased to announce its participation in the upcoming Canton Fair (China Import and Export Fair), the world’s leading trade event, scheduled from April 15th to 19th, 2024. As a pioneer in energy management and power monitoring systems, Acrel will be exhibiting in the N...
Read More3-Phase Smart Meters Are Central to the Smart Energy Revolution The 3-phase smart meter is not simply an upgrade from analog gauges — it is a foundational component of the smart energy revolution. By enabling real-time, multi-channel energy monitoring across all three phases of an electrical system...
Read MoreWhy Cellular IoT Is the Right Choice for Smart Meter Deployments Cellular IoT technology is currently the most reliable and scalable communication backbone for smart metering across gas, power, and water utilities. Unlike Wi-Fi or Zigbee-based alternatives, cellular networks offer nationwide covera...
Read More