10 String PV Combiner Box, 1000V

● 10 in 1 out PV combiner box, with maximum output voltage 1000VDC, maximum output current 160A, single PV array fuses 16A. ● Multiple PV array inputs, single input array max. current 16A, high voltage lightning protector for PV 20KA-40KA range. ● Control output of high voltage circuit breaker for photovoltaic, protection grade IP65, adapting to various harsh environments. ● Wide range of applications: houses, farms, cruise ships, field, power stations, factories.
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The solar power combiner box, 10 in 1 out is designed for efficient solar energy management, supporting up to 10 PV array inputs with a maximum current of 16A per string. Each string is safeguarded by 16A fuses and connected through 4mm² cables, ensuring reliable operation. The combiner box features a single output channel capable of handling up to 160A, transmitted via a robust 25mm² cable. It operates effectively up to 1000VDC, equipped with a DC output circuit breaker and lightning protection for enhanced safety. The natural cooling system and a temperature range of -30℃ to +60℃ allow it to perform reliably in diverse environmental conditions. The system requires a minimum cable size of 6mm², ensuring a stable and efficient electrical infrastructure.

10 string pv combiner box feature


  • The maximum current for a single input array of a multi-string photovoltaic array is 16A.
  • The photovoltaic-specific high-voltage surge protector has a range of 20KA-40KA.
  • A single photovoltaic array is protected by a high-voltage fuse, with reverse attack protection.
  • Photovoltaic-specific high-voltage circuit breaker controls the output.
  • Meets outdoor installation requirements, with a protection grade of IP65, suitable for various harsh environments.


  1. High-Density Alloy Casing: Provides robust and durable protection for the combiner box.
  2. Wiring Terminals: Facilitates secure and convenient connections for efficient solar array management.
  3. Anti-Theft Door Lock: Ensures enhanced security by restricting access to authorized personnel only.
  4. Spacious Interior: Ample internal space allows for easy installation and maintenance of electrical components.
10 string pv combiner box detail

System Connection Reference



10 string pv combiner box system connection reference

Number of PV Array Inputs 10 String
Maximum PV Array Current (single string) 16A
Single PV Array Fuses 16A
Single PV Array Line Number 4mm2
Number of Output Channels 1 Out
Maximum Output Current 160A
Output Line Number for Each Circuit 25mm2
Maximum Output Voltage 1000VDC
DC Output Circuit Breaker
Lightning Protector
Cooling Method Natural Cooling
Temperature Range -30℃~ +60℃
Line Number ≥6mm2
Residential house

Residential House

Shopping district

Shopping District

Green energy project

Green Energy Project




Q1. Do you need a combiner box for solar panels?

Whether you need a combiner box for solar panels depends on the system's size and complexity. Small setups with few panels might not require one, as panels can connect directly to the inverter. However, larger systems benefit from a combiner box to manage connections, enhance safety with fuses or circuit breakers, and ease maintenance and troubleshooting. It also helps in configuring the panels to meet system voltage and current requirements, especially when the inverter is far from the panels, reducing power loss over long cable runs. In essence, while not mandatory for all systems, a combiner box is crucial for larger, more complex solar installations.

Q2. How does a combiner box integrate with the rest of the solar PV system?

A combiner box in a solar photovoltaic (PV) system serves to merge the electrical output from several solar panel strings into one consolidated output, facilitating connection to the inverter. Each string of solar panels connects to the combiner box, which then amalgamates the direct current (DC) from each string. It houses safety mechanisms like fuses or circuit breakers for each string to guard against overcurrents, and possibly surge protection to shield against voltage spikes. The combined DC output is then transmitted to the inverter, which converts it into alternating current (AC) for use, storage, or grid feed-in. Furthermore, in advanced setups, the combiner box can enable monitoring of each string's performance, aiding in system management and troubleshooting. This central role makes the combiner box pivotal in ensuring the solar PV system's efficiency and safety.

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