The Stacked-PV MPPT Solar Controller is specially developed for PV capacity expansion at base station sites. Using a series-connection scheme, the system consists of PV modules, a stacked-PV MPPT controller, and a DC meter. Each PV string is series-connected to the controller, which steps down the module output voltage to −48V and injects it onto the rectifier output busbar to supply DC loads. Designed for communication base stations, it supports wall-mount and pole-mount installation. The product is available in outdoor and rack-mount versions.
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| Parameter Category | Parameter Name | Value | ||
| Basic Parameters | Model | HJ-MCJ48H60 | HJ-MCJ48H100 | HJ-MCJ48H120 |
| Conversion Efficiency | 97% | |||
| PV Input | Input Operating Voltage Range | 65~250VDC | ||
| PV Input Rated Power | 3400W | 5600W | 6800W | |
| DC Output | DC Output Voltage | Default: 56V DC (adjustable) | ||
| Communication Interface | RS485 | Standard Modbus protocol | ||
| Mounting Method | Wall-mount / pole-mount (indoor or outdoor) | |||
| Product Model | HHYS48300A-H5B6-GB01 | |
| Shelf/Frame System | Dimensions (W × D × H) | 482mm(W) × 365mm(D) × 222mm(H) |
| Installation Mode | 19-inch rack mount | |
| Weight | ≤20 kg (excluding modules) | |
| Input Characteristics | Input Voltage | DC: 100~400VDC, Rated: 240VDC/336VDC |
| Max. Input Current per Module | 19A | |
| Input Capacity | 6*32A/2P | |
| Output Characteristics | Output Voltage | 43.2V DC ~ 58V DC (default 53.5V DC) |
| Rated Output Power | 18000W （200Vdc~400Vdc） | |
| 9000W~18000W（100Vdc-200Vdc） | ||
| Peak Efficiency | 97% | |
| Rated Output Current | 300A (max） | |
| Module Slots | 6 groups | |
| Extended DC Interface | Copper busbar: 300A | |
| Monitoring Features | Signal Input | 2× analog detection inputs, 6× digital inputs |
| Alarm Output | 8× dry contact outputs | |
| Communication Interface | RS485/FE（SNMP/WEB） | |
| Event Log Storage | Stores more than 1,000 historical alarm events | |
| Display | LCD 128*48 | |
Note: Specifications are subject to change without prior notice for product improvement.
The Base Station DC Stacked-PV MPPT Solar Controller System is a wall-mount outdoor device designed specifically for communication base station scenarios. It is optimized for PV stacking retrofits at all types of communication base stations, especially suited for outdoor, rooftop, and pole-mount compact site deployments.
Huijue Standard Site Energy System is an integrated and intelligent core equipment of the telecom power system, widely used in mobile base stations, data centers, and other scenarios. It integrates power supply, power distribution, backup power, protection, and monitoring into one unit, providing stable and reliable -48V DC power and backup battery systems for communication equipment.
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