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    12 String PV Combiner Box

    The provided 12 string DC combiner box can work for grid-tie inverters and off-grid inverters. It is equipped with an anti-reverse diode, MCCB circuit breaker, DC fuse and surge protection device, ideal for residential and commercial settings.
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    Delivery date: 6-12 days

    12 string PV combiner box for sale online, available with anti-reverse diode, DC circuit breaker, DC fuse and surge protection device. 12 in 1 out DC combiner box is specially designed for the wiring used in photovoltaic systems.


    • Model: ATO-FU-CB-12
    • Number of DC Inputs: 12
    • Material of Box: Coated lron
    • Protection Level: IP65/IP66
    • Certification: CE
    • IK Impact Resisstance Class: IK08
    • Max Rated Voltage DC: 1000V
    • DC Fuse: 15A (Recommend 15A, support other ampere)
    • Fuse Holder: 1000V DC 30A
    • DC Breaker: 200A
    • Surge Protection DC: Type II In=20KA, Imax=40KA, Ucpv=1000V DC
    • Over-Voltage Category: Cat II
    • Diode for The Function of Anti-Reflux: Build in
    • Connection Type DC Input: PG09, IP68
    • Input Cable Size for Negative and Positive: φ4-8mm
    • Number of DC Outputs: 1 (Support customize for output number)
    • Connection Type DC Output: PG25
    • Gland Connectors: Material: Nylon Plastic, Seals: Nitrile Rubber Buna, IP68
    • Ambient Temperature Range/Humidity: Temperature: -20℃~+60℃, Humidity: 0~99%
    • Altitude: ≤2000m. Derating for above 2000m.
    • Installation: Wall Mounting/Padlockable Latch

    *Note: This PV combiner box has 12 parallel inputs and 1 output.


    • 12 string PV combiner box is waterproof and dust-proof.
    • PV convergence, current anti-reverse protection, over-current protection, over-voltage protection, lightning protection and anti-theft lock.
    • DC combiner box can work for PV grid-tie inverters and off-grid inverters.


    PV combiner box description


    Photovoltaic (PV) combiner boxes are commonly used in residential, commercial, and industrial sectors for solar installations, enabling efficient consolidation of PV panel outputs and simplifying the wiring. These combiner boxes are also utilized in the agricultural sector for powering irrigation systems and agricultural infrastructure.

    PV combiner box applications

    Tips: How to select a PV combiner box quickly?

    Selecting a PV combiner box quickly requires focusing on a few key factors. First, determine the system size by identifying the total number of solar panels or strings. Check the voltage and current ratings of the panels and ensure they are compatible with the combiner box's specifications. Consider the number of input channels or terminals needed to accommodate your panels. Ensure that the combiner box has a suitable current rating and overcurrent protection to handle the total current of the system. Verify if the combiner box includes surge protection devices and if its enclosure provides adequate environmental protection. Finally, consider the manufacturer's reputation and compliance with industry standards to ensure a reliable product.

    In summary, when selecting a PV combiner box quickly, assess the system size, voltage and current ratings, input channels, overcurrent and surge protection, enclosure type, compliance, and manufacturer reputation. By focusing on these essential factors, you can make a rapid and informed decision for your solar PV system.

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