Basic Information
Installation
Indirect Connected
Usage
Multi-Functional Energy Meter, Standard Electric Energy Meter
Electric Equipment
DC Energy Meter
Communication
RS485 Modbus-RTU
Rated Voltage
up to 1500V (Busbar)
Certification
RoHS, ISO, CE
Product Description
AGF-MxxT DC Multi-Circuits Monitoring Device for PV Combiner Box
⚙️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.
⚙️Multiple power supply modes can be selected.
⚙️Compatible with din rail installation and base plate fixed installation.
| Type |
Description |
Function |
Optional Function |
| AGF-M4T - AGF-M24T |
4-24 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 of status inputs |
1. Analog input + Relay output
2. Power filter module
3. LCD Display
4. Auxiliary power supply DC1000V/DC1500V |
The perforation type PV confluence acquisition device is specially designed for smart PV combiner boxes. It is used for monitoring the running state of solar panels, measuring currents, and detecting surge protection devices and DC breakers.
Key Features
🔹Multi-circuits Measurement: Input Channel up to 24 Circuits with LED Indicator for Re-flux, Disconnection, and Over-current.
🔹DI Status Monitoring: 3-Channel DI for Lightning Protector and DC Circuit Breaker status (Optocoupler or dry Contact).
🔹Temperature Management: NTC thermistor measuring range from -20ºC to +100ºC with over-temperature alarm function.
Technical Parameters
| Item |
Specification Details |
| Input Channels | 4, 8, 12, 16, 20, 24 |
| Rated Current | DC 0~20A |
| Accuracy | 0.5 Class |
| RS485 Communication | Modbus-RTU protocol, up to 38400bps |
| Working Temperature | -35~+65ºC (Display module: -20~+70ºC) |
| Altitude | ≤3000m |
| Insulation Resistance | ≥100MΩ |
| EMC Compliance | GB_T 17626.2/4/5/8 standards |
Frequently Asked Questions
What is the primary function of the AGF-M series monitoring device?
The AGF-M series is designed for smart PV combiner boxes to monitor the running state of solar panels, measure string currents, and detect the status of surge protectors and breakers.
How many DC circuits can a single device monitor?
The device is highly scalable, supporting models for 4, 8, 12, 16, 20, or up to 24 DC circuits depending on your requirements.
What type of sensor technology is used for current measurement?
It utilizes Hall sensor technology for isolated measurement of currents up to 20A, ensuring high safety and accuracy (0.5 class).
Does the device support high-voltage PV systems?
Yes, it features a voltage measurement function that can handle bus voltages up to DC 1500V, making it compatible with modern utility-scale solar installations.
What communication protocols are available for data transmission?
The device is equipped with an RS485 communication port using the Modbus-RTU protocol, allowing easy integration with master controllers and SCADA systems.
Is the device suitable for harsh outdoor environments?
Yes, it has a wide operating temperature range from -35ºC to +65ºC and features an internal temperature sensor to monitor the conditions inside the combiner box.
SDEV Charger
