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Combiner Box Monitoring
The combiner box monitoring system provides monitoring and management for each device in a solar power generation system. It can monitor the status of surge protectors and circuit breakers without an external power supply. The system supports RS485 communication, DC arc fault detection, and shunt trip functionality.
User-Friendly Interface
Equipped with an LCD screen, the system provides real-time display of current, voltage, and temperature, ensuring intuitive operation and simplified maintenance.
Advanced Safety Protection
Built with a robust safety mechanism, the system supports remote alarms and optional arc-fault detection to deliver enhanced protection for PV power plants.
Rapid and Convenient Deployment
CE-EMC certified, the system supports RS485 or industrial wireless data transmission and connects directly to the bus-bar, eliminating the need for an external DC power supply.
Certified Arc Detection
UL1699B certified, the system meets stringent industry standards for arc-fault detection, helping prevent fires and safeguarding equipment.
Streamlined Installation
Designed for direct bus-bar connection, the system removes the requirement for external DC-DC power conversion, simplifying setup and reducing installation time.
Exceptional Stability
Featuring an enclosed PCB with a carefully engineered layout, the system ensures high stability by minimizing interference and optimizing component performance.
Product Advantages
14 Years of AFCI Expertise
String-Level Arc Detection
Supports HPLC Communication
Supports IV Curve Scanning
Technical Parameter
Model
FR-DCMG-MMPL
Max. System Voltage
1700Vdc
Trip Function
Shunt Trip Functionality
Power Supply
Busbar (Starting Voltage 450Vdc)
Trip Drive Voltage
24Vdc
Trip Drive Capability
80W * 10mS
Fonrich DC Combiner Box Monitoring System
DC System Monitor supports 1000V/1700V PV systems, real-time monitoring of the string current, bus voltage, bus box temperature, switch status, and alarm output when abnormal data is obtained. The system supports RS485 or industrial wireless data transmission for data transmission.
Combiner Box Monitoring Main Unit Specifications
| Product Model | PV Voltage | String/Array Bus Power Supply | Communication Method | Max Monitoring Channels | Digital/Open Contact Monitoring | Temperature Sensor |
|---|---|---|---|---|---|---|
| FR-DCMG-MKPD | 1000V | - | RS485 | 24 | 2 | 1 |
| FR-DCMG-MMPU | 1500V | - | RS485 | 24 | 4 | 2 |
| FR-DCMG-MMPP | 1500V | RS485 | RS485 | 24 | 4 | 2 |
| FR-DCMG-MMPQ | 1700V | - | RS485 | 24 | 4 | 2 |
| FR-DCMG-MMPS | 1500V | - | RS485 | 24 | 4 | 2 |
Combiner Box Monitoring Sensor Specifications
| Product Model | Arc Detection | Rated Current Range |
|---|---|---|
| FR-DCMG-HS4A | - | 20A |
| FR-DCMG-AS4A | 20A | - |
| FR-DCMG-HS4P | - | 30A |
| FR-DCMG-HS4Q | - | 40A |
| FR-DCMG-HS4R | - | 60A |
Related Solutions
1st Floor, Building 2, S&T Innovation Building, No. 1588 Lianhang Road, Minhang District, Shanghai
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