This PV Combiner Box (4 in 4 out) is designed to provide individual protection and isolation for multiple solar PV strings while keeping each string electrically separate. It allows four PV strings to be connected independently, offering essential DC protection, safe isolation, and improved system reliability.
The unit is professionally assembled in a robust enclosure, making it suitable for residential, commercial, and light industrial solar PV installations.
 
Key features:
Four PV string inputs with individual fuse holders
Four independent DC outputs
DC surge protection device (SPD) for lightning and transient voltage protection
Individual DC isolators for each PV string
Pre-wired and clearly labelled for easy installation
Weather-resistant enclosure suitable for outdoor use
 
Suitable for:
Multi-string solar PV arrays
Hybrid, grid-tied, and off-grid solar systems
Installations requiring individual string protection and isolation
 
Benefits:
Independent protection for each PV string
Improved electrical safety and fault isolation
Simplified maintenance and troubleshooting
Neat, compliant solar PV installation when installed by a qualified electrician