PV Combiner Box 2 In 2 Out, 1000V

SKU: PH-CB-2-2
● 2 stiring solar pv combiner box, 2 in 2 out, max voltage 1000V, max current output 30A, degree of protection IP65. ● Build-in TUV listed DC switchgears, over-voltage, over-load, lightning protection; real-time detection, long-distance communication. ● Solar combiner box features input cable glands sized PG09, accommodating cables from 2.5 to 16mm². ● Widely used in residential homes, commercial setups, and off-grid living scenarios like remote cabins or mobile homes.
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With an input capacity of 2 strings and an output of 2 strings, photovoltaic combiner box supports a maximum voltage of 1000V, making it suitable for high-powered solar installations. The maximum DC short circuit current per input can be adjusted between 15A to 30A, with a maximum output current of 30A, accommodating various system requirements. Constructed from durable polycarbonate, this solar pv combiner box a high degree of protection with an IP65 rating, ensuring dust-tight performance and protection against water jets. This PV combiner box is ideal for a wide range of applications including residential homes, commercial setups in remote or camping environments, and off-grid living situations.

PV combiner box 2 in 2 out feature


  • Waterproof grade IP65: Durable, waterproof and rainproof
  • Four latches: Anti-theft, preventing random opening and closing
  • High Voltage Capacity: Suitable for 1000V high-voltage solar systems, ensuring efficiency and stability.
  • Modular Design: Flexible 2-in 2-out connectivity, easy for system integration and expansion.
  • Isolation Switch Feature: Enhances safety, facilitates maintenance and troubleshooting.
  • Outdoor Operation Model: Waterproof and weather-resistant, suitable for various environments, ensuring long-term stability.
  • Solar-Specific Design: Efficiently manages and distributes DC power, improving system performance.


  1. Main Line Connection: Directly connects to the main power line, ensuring stable electricity supply.
  2. Lightning Protection: Features a device to shield the solar power system from electrical surges caused by lightning strikes.
  3. Circuit Breaker: Includes a breaker to prevent overcurrent and short circuits, ensuring system 
  4. Negative Wire Connection: Designed for secure grounding, reducing electrical interference for system stability.
PV combiner box 2 in 2 out detail

PV Combiner Box 2 In 2 Out Size (Unit: mm)


PV combiner box 2 in 2 out size

Input 2 Strings
Output 2 Strings
Max Voltage 1000V
Max DC Short Circuit Current Per Input (Isc) 15A-30A(Changeable)
Max Current Output 30A
Material Type Polycarbonate
Degree of Protection IP65
Degree of Resistance to Impacts IK10
Dimension(W*H*D) 200*300*150mm
Input Cable Glands PG09 ,2.5-16mm²
Output Cable Gland PG21 2.5-16mm²
Residential house

Residential House

Shopping district

Shopping District

Green energy project

Green Energy Project




Q1. Is a combiner box a junction box?

A combiner box in a solar photovoltaic system is a specialized type of junction box. It merges the electrical output from multiple solar panel strings into one output, facilitating easier connection to the solar inverter. Unlike standard junction boxes, combiner boxes often include surge protection, individual string fuses or circuit breakers, and sometimes monitoring functions to enhance system safety and efficiency.

Q2. Why do I need a combiner box in my solar system?

A combiner box is essential for managing multiple strings of solar panels efficiently. It centralizes the output, making it easier to manage overcurrent protection, surge protection, and system monitoring.

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