Acrel Agf-M DC Multi-Circuits Monitoring Device for PV Combiner Box Solar String Monitoring Device Photovoltaic Confluence

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Product Description

Basic Information
Model NO.
AGF-M
Installation
Indirect Connected
Usage
Multi-Functional Energy Meter, Standard Electric Energy Meter
Electric Equipment
DC Energy Meter
Theory
Static Meter
Connection
Terminal
Communication
RS485 Modbus-RTU
Frequency
45~60Hz
Rated Voltage
up to 1500V (Busbar)
Rated Current
DC0~±20A
Accuracy
0.5 Class
Origin
China
Product Description

AGF-MxxT DC Multi-Circuits Monitoring Device for PV Combiner Box

DC Multi-Circuits Monitoring Device PV Monitoring System
● Primary current connected by perforation, easy installation, and high security. ● Measuring element adopts Hall sensor, isolation measuring current 20A. ● Voltage measurement function can measure the bus voltage DC1500V. ● LCD display, suitable for wide temperature and outdoor environment query. ● Internal temperature measurement for real-time monitoring in the combiner box. ● Compatible with DIN rail and base plate fixed installation. ● DC bus voltage input circuit protected by a built-in DC 1kV fuse.
Device Overview
Type Description Standard Function Optional Function
AGF-M4T - M24T 4 to 24 circuits DC0-20A Photovoltaic confluence detection 1. 3.5KV hall isolation
2. RS485 Modbus-RTU
3. Accuracy 0.5 class
4. 0-1000V voltage measurement
5. 3 sets status inputs
6. Power: DC1000V/DC1500V
1. MJ (Analog input + Relay output)
2. B (Power filter module)
3. L (LCD)
4. P2/P3 (Auxiliary power options)
Technical Specifications

AGF-T Perforation types PV confluence acquisition device is specially designed for smart PV combiner box. It is used for monitoring the running state of solar panels, measuring currents, and detecting surge protection device states.

Core Features
Multi-circuits
Multi-circuits Measurement (Up to 24 DC Circuits)

Input Channel: up to 24 Circuits
LED Indicator for Re-flux, Disconnection, Over-current
Rated Current: 20A | Accuracy: 0.5 Class
Voltage Measuring Range: up to 1500V

Status Monitoring
3-Channel DI Switch Status Monitoring

DI Status of Lightning Protector and DC Circuit Breaker
Supports Optocoupler or Dry Contact modes.

Temp Monitor Programming LCD Display
Easy Installation
Easy Installation & Setup

Perforated Hole for cable passing through.
Standard DIN Rail Installation.
Modular connection via data lines.

Product Parameters
Item Details / Range
Input Channels4, 8, 12, 16, 20, 24
Rated CurrentDC 0~20A
Response Time1s
Accuracy0.5 class
CommunicationRS485/Modbus-RTU, 4800-38400bps
Switch Input3-way (optocoupler or dry contact)
Working Temp-35~+65ºC (Display: -20~+70ºC)
Altitude≤3000m
Industrial Frequency VoltageAC 2kV~3.5kV / 1min
EMC StandardsGB_T 17626.2/4/5/8
Dimensions & Wiring
Dimension Diagram 1 Dimension Diagram 2
Wiring Chart
Wiring Chart
Monitoring Solution
Solution Diagram
Application 1 Application 2
Factory Overview
Factory Image
Facility 1 Facility 2 Facility 3
Certification Area
Frequently Asked Questions
1. What is the primary purpose of the AGF-M device?
The AGF-M is specifically designed for smart PV combiner boxes to monitor solar panel currents, bus voltage, and the status of surge protectors and breakers in real-time.
2. How many circuits can a single device monitor?
The series offers modular configurations that can monitor 4, 8, 12, 16, 20, or up to 24 DC circuits.
3. Does the installation require wire cutting?
No, it uses a perforation-type connection with Hall sensors, meaning cables simply pass through the holes, ensuring safe and easy non-contact measurement.
4. What is the maximum DC voltage the device can handle?
The device can measure busbar voltage up to DC 1500V, making it suitable for modern high-voltage solar arrays.
5. Can it communicate with other systems?
Yes, it features an RS485 communication port using the standard Modbus-RTU protocol for seamless integration into master monitoring systems.
6. Is it suitable for extreme outdoor temperatures?
Yes, the device operates in a wide temperature range from -35°C to +65°C and includes an internal temperature sensor for monitoring the combiner box's internal environment.

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