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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
Real-time LCD display of current, voltage, and temperature for intuitive operation.
Advanced Safety Protection
Remote alarms and optional arc-fault detection for enhanced PV safety.
Rapid and Convenient Deployment
CE-EMC certified; RS485/wireless data transmission; direct bus-bar connection.
Certified Arc Detection
UL1699B certified arc detection to prevent fires and protect equipment.
Streamlined Installation
Direct bus-bar connection; no external DC-DC power needed.
Exceptional Stability
Enclosed PCB design ensures high stability and minimal interference.
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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