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Home > PV String Monitoring Devices > Acrel Agf-M4t DC Multi-Circuits Monitoring Device for PV Combiner Box Solar String Monitoring Device Photovoltaic Confluence
Acrel Agf-M4t DC Multi-Circuits Monitoring Device for PV Combiner Box Solar String Monitoring Device Photovoltaic Confluence
Acrel Agf-M4t DC Multi-Circuits Monitoring Device for PV Combiner Box Solar String Monitoring Device Photovoltaic Confluence
Acrel Agf-M4t DC Multi-Circuits Monitoring Device for PV Combiner Box Solar String Monitoring Device Photovoltaic Confluence
Acrel Agf-M4t DC Multi-Circuits Monitoring Device for PV Combiner Box Solar String Monitoring Device Photovoltaic Confluence
Acrel Agf-M4t DC Multi-Circuits Monitoring Device for PV Combiner Box Solar String Monitoring Device Photovoltaic Confluence
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Acrel Agf-M4t DC Multi-Circuits Monitoring Device for PV Combiner Box Solar String Monitoring Device Photovoltaic Confluence
Acrel Agf-M4t DC Multi-Circuits Monitoring Device for PV Combiner Box Solar String Monitoring Device Photovoltaic Confluence
Acrel Agf-M4t DC Multi-Circuits Monitoring Device for PV Combiner Box Solar String Monitoring Device Photovoltaic Confluence
Acrel Agf-M4t DC Multi-Circuits Monitoring Device for PV Combiner Box Solar String Monitoring Device Photovoltaic Confluence
Acrel Agf-M4t DC Multi-Circuits Monitoring Device for PV Combiner Box Solar String Monitoring Device Photovoltaic Confluence

Acrel Agf-M4t DC Multi-Circuits Monitoring Device for PV Combiner Box Solar String Monitoring Device Photovoltaic Confluence

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Product Description

i

Basic Specifications

Model NO.
AGF-M
Installation
Indirect Connected
Usage
Multi-Functional Energy Meter, Industrial/Home Standard Meter
Equipment Type
DC Energy Meter
Theory
Static Meter
Connection
Terminal
Certification
RoHS, ISO, CE
Communication
RS485 Modbus-RTU
Rated Voltage
Up to 1500V (Busbar)
Rated Current
DC 0~±20A
Accuracy
0.5 Class
P

Product Description

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

DC Multi-Circuits Monitoring
Monitoring Device 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.
Compatible with din rail installation and base plate fixed installation, small size.
DC bus voltage input circuit is protected by a built-in DC 1kV fuse.
Type Description Standard Functions Optional Functions
AGF-M4T 4 circuits DC0-20A 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. DC1000V/1500V power supply 		1. MJ (Analog input + Relay output)
2. B (Power filter module)
3. L (LCD)
4. P2/P3 (Auxiliary power)
AGF-M8T8 circuits DC0-20A detection
AGF-M12T12 circuits DC0-20A detection
AGF-M16T16 circuits DC0-20A detection
AGF-M20T20 circuits DC0-20A detection
AGF-M24T24 circuits DC0-20A detection
F

Key Features

Multi-circuits Measurement

Multi-circuits Measurement

Input Channel: up to 24 Circuits. Includes LED Indicator for Re-flux, Disconnection, and Over-current. Accuracy: 0.5 Class.

Switch Status Monitoring

DI Switch Status Monitoring

3-Channel DI monitoring for Lightning Protector and DC Circuit Breaker status via Optocoupler or dry contact.

Temperature Alarm

Over-temperature Alarm

Real-time measurement of inner temperature (-20ºC~+100ºC) within the DC PV Junction Box using NTC thermistors.

T

Technical Parameters

ItemSpecifications
Rated CurrentDC 0~20A
Response Time1s
Accuracy0.5 Class
CommunicationRS485/Modbus-RTU, up to 38400bps
Working Temp-35~+65ºC (Display: -20~+70ºC)
Altitude≤3000m
Insulation Resistance≥100MΩ
Withstand VoltageCurrent input to power: AC 3.5kV/1min
D

Dimensions & Wiring

Dimension 1
Dimension 2
Wiring Chart
S

Application Solution

Solution Overview
System Diagram
Component Detail
Device Presentation 1
Device Presentation 2
Production View 1
Production View 2
Production View 3
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Frequently Asked Questions

What is the maximum number of circuits the AGF-M can monitor?
The AGF-M series can monitor up to 24 DC circuits simultaneously, making it ideal for large-scale PV combiner boxes.
Does the device support high-voltage solar systems?
Yes, the device can measure DC bus voltages up to 1500V, compatible with modern high-voltage photovoltaic installations.
How is the device installed in a combiner box?
The device supports both standard DIN rail installation and base plate fixed installation. Its compact size helps save valuable space inside the box.
What kind of communication protocol is used?
It utilizes the RS485 Modbus-RTU protocol, allowing for easy integration with master monitoring systems and data loggers.
Does it have built-in safety protections?
Yes, it features 3.5kV Hall isolation for current measurement and a built-in DC 1kV fuse for the voltage input circuit to ensure operational safety.
Can it monitor the environmental conditions inside the box?
The AGF-M includes an internal temperature measurement function to monitor the real-time temperature inside the combiner box and trigger alarms if it exceeds thresholds.

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