Description

Product Description
The 8 in 8 out combiner box is designed for medium to large solar PV installations where eight PV strings need to operate independently and connect to multiple MPPT inputs. This configuration is commonly used in commercial and industrial systems to maximize energy production across different array orientations and conditions.

By maintaining independent inputs and outputs, the combiner box reduces mismatch losses and ensures optimal performance of each string. This is especially beneficial in complex installations with varying tilt angles, shading patterns, or string lengths.

The unit incorporates essential protection components for each string, including DC fuses or circuit breakers, DC isolators, and surge protection devices. These provide protection against overcurrent, short circuits, and transient voltage surges caused by lightning or switching events.

The combiner box is housed in a durable weather resistant enclosure suitable for both indoor and outdoor installation. It simplifies wiring, enhances system safety, and ensures compliance with solar PV installation standards.

Technical Specifications

• Product Type: Solar PV combiner box
• Configuration: 8 inputs 8 outputs
• Application: Eight string systems with independent MPPT inputs
• Rated Voltage: Typically up to 600 V or 1000 V DC depending on model
• Rated Current: Typically 10 A to 32 A per string
• Input Channels: 8 independent PV string inputs
• Output Channels: 8 independent DC outputs to inverter
• Protection Components per String:
  • DC fuse or circuit breaker
  • DC isolator switch
  • Surge protection device SPD Type 2
• Overcurrent Protection: Yes per string
• Surge Protection: Yes lightning and transient protection
• Isolation: Individual DC disconnect switches per string
• Enclosure Material: ABS plastic or powder coated metal
• Protection Rating: IP65 suitable for outdoor installation
• Operating Temperature Range: Approximately minus 25 degrees C to 60 degrees C
• Cable Entry: Multiple cable glands for PV and output wiring
• Mounting Type: Wall mounted
• Compliance: IEC standards for solar PV systems
• Installation Type: Indoor or outdoor installation
• Application:
  • Commercial solar systems
  • Industrial PV installations
  • Large multi array solar projects
• Key Features:
  • Independent string protection and control
  • Improved system efficiency and performance
  • Integrated DC safety components
  • Durable weather resistant enclosure
  • Simplified installation and cable management