SDEV Charger
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The AGF-MxxT DC Multi-Circuits Monitoring Device is specifically engineered for smart PV combiner boxes. It provides comprehensive monitoring of solar cell arrays, measuring currents, detecting surge protection states, and managing DC breakers. Equipped with Hall sensors for isolated measurement, it ensures high security and easy perforation-based installation.
| Type | Description | Standard Functions | Optional Functions |
|---|---|---|---|
| AGF-M4T / M8T | 4 / 8 circuits detection |
1. 3.5KV Hall isolation 2. RS485 Modbus-RTU 3. Accuracy 0.5 class 4. 0-1000V voltage measurement 5. 3 status inputs (DI) 6. Aux power DC1000V/1500V |
- MJ: Analog input + Relay output - B: Power filter module - L: LCD Display - P2/P3: Extended Power Supply |
| AGF-M12T / M16T | 12 / 16 circuits detection | ||
| AGF-M20T / M24T | 20 / 24 circuits detection |
Supports up to 24 DC circuits with LED indicators for reflux, disconnection, and over-current states. 0.5 Class accuracy for precise monitoring.
3-Channel DI switch status monitoring for lightning protectors and DC circuit breakers via optocoupler or dry contacts.
Equipped with NTC thermistor measurement (-20ºC to +100ºC) and over-temperature alarm functions.
HMI keypads allow for easy on-site programming of communication addresses, baud rates, and alarm thresholds.
| Rated Current | DC 0~20A | Response Time | ≤ 1s |
| RS485 Protocol | Modbus-RTU (Up to 38400bps) | Altitude | ≤ 3000m |
| Working Temp | -35 ~ +65ºC (Display: -20~+70ºC) | Insulation | ≥ 100MΩ |
| Withstand Voltage | Current input to power/comm: AC 3.5kV/1min; Others: AC 2kV/1min | ||
A: A single device can monitor up to 24 DC circuits, with specific models available for 4, 8, 12, 16, 20, and 24 circuits.
A: Yes, it is designed for modern PV systems and can measure bus voltages up to DC 1500V.
A: The device uses high-precision Hall sensors to provide isolated measurement for currents ranging from 0 to 20A per string.
A: Yes, it features 3-way digital inputs to monitor the status of lightning protectors and DC circuit breakers.
A: It supports RS485 communication using the Modbus-RTU protocol, making it compatible with most industrial master controllers.
A: Yes, it has a wide operating temperature range from -35ºC to +65ºC and features a wide-temperature LCD for outdoor debugging.
