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

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Product Description

Overview
Model NO.
AGF-M
Installation
Indirect Connected
Usage
Multi-Functional Energy Meter, Meter for Industry and Home Use
Electric Equipment
DC Energy Meter
Theory
Static Meter
Communication
RS485 Modbus-RTU
Rated Voltage
up to 1500V (Busbar)
Rated Current
DC0~±20A
Accuracy
0.5 Class
Certification
RoHS, ISO, CE
Product Description
AGF-MxxT DC Multi-Circuits Monitoring Device for PV Combiner Box
Monitoring Device Overview Product Application
The primary current is connected by perforation, easy installation, and high security.
The measuring element adopts the Hall sensor, Isolation measuring current 20A.
The voltage measurement function can measure the bus voltage DC1500V.
LCD display, suitable for wide temperature, outdoor environment query, and debugging operation.
Internal temperature measurement function, real-time measurement of temperature in the combiner box.
Internal Structure
Type Description Standard Function Optional Function
AGF-M4T to M24T 4 to 24 circuits DC0-20A PV confluence detection 1. 3.5KV hall isolation
2. RS485 Modbus-RTU
3. Accuracy 0.5 class
4. 0-1000V voltage measurement
5. 3 sets of status inputs
1. PT100/DC 4-20mA Analog input
2. Power filter module
3. LCD Display
4. DC1000V/DC1500V Aux Power
Technical Layout

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 in solar cell arrays, measuring the currents of the solar cells, and detecting the state of surge protection devices and DC breakers.

Key Features
Multi-circuits

Multi-circuits Measurement
Up to 24 DC circuits, 20A rated current, 0.5 Class accuracy.

Status Monitoring

3-Channel DI Monitoring
Status monitoring for Lightning Protectors and DC Circuit Breakers.

Temp Measure

Temperature Function
Inner box temperature measuring with over-temperature alarm.

Programming

HMI Interface
Keypads for programming address, baud rate, and alarm thresholds.

LCD

English LCD
Clear data display with English interface for ease of use.

Installation

Easy Installation
Perforated holes for cables and standard DIN Rail mounting.

Product Parameters
Item Rated current Accuracy Communication Temperature Range
Value DC 0~20A 0.5 class RS485/Modbus-RTU -35~+65ºC (Display: -20~+70ºC)
Response Time 1s Altitude ≤3000m Humidity: 95% No condensation
Dimension & Wiring
Dimension 1 Dimension 2
Wiring Chart
Solutions
Solution Diagram
Solution Detail 1 Solution Detail 2
Production Showcase
Frequently Asked Questions
How many DC circuits can the AGF-M monitor?
The AGF-M series is designed to monitor multiple circuits, with models available to handle 4, 8, 12, 16, 20, or up to 24 DC circuits simultaneously.
What is the measurement accuracy and voltage range?
The device offers high-precision measurement with a 0.5 accuracy class. It can measure bus voltages up to DC 1500V, making it suitable for modern high-voltage PV systems.
How does the device measure current without direct electrical contact?
It utilizes Hall sensors and a perforation-style connection. The primary current cables simply pass through the holes in the module, providing excellent isolation (3.5kV) and high security.
Can the device monitor the environment inside the combiner box?
Yes, it features an internal temperature measurement function (-20ºC to +100ºC) to monitor the thermal conditions inside the combiner box and trigger over-temperature alarms if thresholds are exceeded.
What communication protocols are supported?
The device is equipped with an RS485 communication port and supports the standard Modbus-RTU protocol, allowing easy integration with master monitoring systems.
Is it suitable for harsh outdoor environments?
The AGF-M is designed for industrial use with a wide operating temperature range from -35ºC to +65ºC and features an LCD display that remains functional in temperatures down to -20ºC.

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