Solar Combiner Box 3 In 1 Out

Solar Combiner Box 3 In 1 Out

The 3 In-1 Out Solar Combiner Box efficiently merges three separate solar string inputs into one output, simplifying connections to your inverter or charge controller. Equipped with overcurrent and surge protection housed in a weatherproof casing, it ensures reliable performance and safety. Perfectly suited for small to medium solar PV systems, it offers a neat and secure solution to streamline your solar setup.

Features:

Combines three independent solar input strings into one consolidated output channel.

Built-in string-fusing or circuit breakers to protect each input string from overcurrent. 

Surge Protection Device (SPD) to guard against transient overvoltage events. 

Weather-resistant enclosure suitable for outdoor mounting. 

Simplifies wiring layout, reduces cable runs, and improves system tidiness and safety. 

Transparent or lockable cover option for easy inspection and added safety.

Aluminium or UV-resistant plastic enclosure for long service life in solar installations.

Compatible with DC solar string voltages typically found in residential / commercial systems.

Specifications:

Number of Inputs: 3 solar strings ("3 In")

Output: 1 combined feed ("1 Out")

Rated Voltage (DC): Up to ~1000 V DC

Rated Current: (Each input) typically matched to string current; (combined) sized accordingly

Surge Protection: Included SPD (DC type)

Over-current Protection: Individual input fuses or breakers on each string

Enclosure Protection: Minimum IP65 for outdoor exposure

Mounting: Wall-mounted, close to array or inverter input

Application: Photovoltaic string junction & protection box

What's in the box:

1x 15 Way DB Box 

6x 32A Fuse Holder 

6x 20A Fuses

1x 2P SPD

1x DC 63A 4P Breaker 

8x Waterproof Connector 

6x MC4 Male & Female Connector