COMBINER BOX LEAN MANUFACTURING EXPERT

Solar energy has revolutionized the way we produce and consume power, and as the industry grows, the need for efficient solar installations becomes more critical.
A combiner box is an essential component in a solar energy system, consolidating the output of multiple solar panels into a single electrical circuit. It simplifies the wiring process, reduces installation time, and makes maintenance more manageable. Link solar inverters and solar PV arrays, combining the output of a large number of strings to improve PV performance.

Solar Combiner Box: Expert Manufacturing of 1 to 36 String Configurations

MOREDAY COMBINER BOX PRODUCT LINE

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WHY CHOOSE US?

SAFETY

Combiner boxes provide essential protection against electrical faults, preventing fires and other hazards. High-quality combiner boxes have reliable overcurrent protection devices and robust surge protection mechanisms to safeguard your solar installation.

EFFICIENCY

Efficient combiner boxes minimize power loss and ensure optimal energy transfer from the solar panels to the inverter. A well-designed combiner box ensures seamless electrical connections and reduces resistance within the circuitry.

DURABILITY

A durable combiner box is critical for long-term solar installations. High-quality combiner boxes are built with corrosion-resistant materials, ensuring they can withstand harsh weather conditions and maintain their performance over time.

EXPERIENCE

An experienced manufacturer with a proven track record in the solar industry is more likely to produce reliable and high-quality combiner boxes. Look for manufacturers with a history of successful installations and satisfied customers.

CERTIFICATION

Certifications from recognized industry bodies and standards organizations indicate that a manufacturer's products meet or exceed specific quality and safety benchmarks. Look for combiner boxes that are certified by organizations such as ul, iec, or tüv to ensure that they comply with industry standards.

CUSTOMIZATION

Every solar installation is unique, and your combiner box should be tailored to fit your specific needs. A reputable manufacturer should be able to customize their combiner boxes to accommodate varying numbers of solar panels, input and output connections, and monitoring requirements.

HIGH-QUALITY MATERIALS AND ACCESSORIES

LONG-LASTING AND DURABLE

MOREDAY combiner boxes are equipped with higher-quality shells than those in the same industry to better protect internal components and provide long life. The MOREDAY combiner box can be installed outdoors. We add flame retardants to the casing, which can resist ultraviolet rays, be dustproof, anti-corrosive, and waterproof up to IP65 outdoors.

Our solar combiner boxes can provide effective protection for solar roofs anywhere, and our combiner boxes use top-brand DC circuit breakers, surge protectors, and fuse holders.

Temperature Range for PLASTIC PV DC Combiner Box MDJB-A / MDJB-B

RICH CUSTOMIZATION SCHEME

In order to meet the needs of different customers, we provide many customization functions, including brand customization, component customization, system customization, and packaging customization.
We are willing to establish a long-term cooperative relationship with you. We have dedicated engineers to connect with you and provide you with full service. We are keen to bring comprehensive protection to your customers’ solar energy systems. This was also the original intention of MOREDAY.

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MDHL-2-1 3Phase
MDHL-2-1 3Phase
MDHL-3-1 3Phase
MDHL-3-1 3Phase
MDHL-5-1 3Phase
MDHL-5-1 3Phase
MDHL-6-1 3Phase
MDHL-6-1 3Phase
MDJB 1-1 63A 600VDC
MDJB 1-1 600VDC
MDJB 2-1 63A 600VDC
MDJB 2-1 600VDC
MDJB 2-2 63A 1000VDC
MDJB 2-2 1000VDC
MDJB 2-2 63A 1000VDC
MDJB 2-2 1000VDC
MDJB 2-2 63A 600VDC
MDJB 2-2 600VDC
MDJB 2-1 63A 1000VDC
MDJB 2-1 1000VDC
MDJB 3-1 63A 1000VDC
MDJB 3-1 1000VDC
MDJB 6-1 63A 600VDC
MDJB 6-1 600VDC
MDJB 4-1 63A 600VDC
MDJB 4-1 600VDC
MDJB 6-2 63A 1000VDC
MDJB 6-2 1000VDC
MDJB 4-1 63A 1000VDC
MDJB 4-1 1000VDC
MDJB 6-3 63A 600VDC
MDJB 6-3 600VDC
MDJB 4-2 63A 1000VDC
MDJB 4-2 1000VDC
MDJB-2-1--63A--1000VDC-
MDJB-2-1 1000VDC
MDJB 4-2 63A 1000VDC
MDJB 4-2 1000VDC
MDJB 5-1 63A 1000VDC
MDJB 5-1 1000VDC
MDJB-4B 63A 600VDC
MDJB-4B 600VDC
MDJB-5B 63A 1000VDC
MDJB-5B 1000VDC
MDJB-6B 63A 600VDC (With Diode)
MDJB-6B 600VDC (With Diode)
MDJB-6B 63A 600VDC
MDJB-6B 600VDC
MDXLD PV3-1 63A 600VDC
MDXLD PV3-1 600VDC
MDXLD PV3-1 63A 1000VDC
MDXLD PV3-1 1000VDC
MDXLD-PV2-1 63A 600VDC
MDXLD-PV2-1 600VDC
MDXLD-PV2-1 63A 1000VDC
MDXLD-PV2-1 1000VDC
MDXLD-PV4-1 63A 600VDC
MDXLD-PV4-1 600VDC
MDXLD-PV4-1 63A 1000VDC
MDXLD-PV4-1 1000VDC
MDXLD-PV4-1 125A 1000VDC
MDXLD-PV4-1 1000VDC
MDXLD-PV4-4 63A 1000VDC
MDXLD-PV4-4 1000VDC
MDXLD-PV5-1 63A 1000VDC
MDXLD-PV5-1 1000VDC
MDXLD-PV6-1 125A 1000VDC
MDXLD-PV6-1 1000VDC
MDXLD-PV8-1 125A 1000VDC
MDXLD-PV8-1 1000VDC
MDXLD-PV8-8 63A 1000VDC
MDXLD-PV8-8 1000VDC
MDXLD-PV18-18 63A 1000VDC
MDXLD-PV18-18 1000VDC
MDXLD-PV6-1 125A 1000VDC
MDXLD-PV10-1 1000VDC
MDXLD-PV10-10 63A 1000VDC
MDXLD-PV10-10 1000VDC
MDXLD-PV12-1 250A 1000VDC
MDXLD-PV12-1 1000VDC
MDXLD-PV12-12 63A 1000VDC
MDXLD-PV12-12 1000VDC
MDXLD-PV16-1 250A 1000VDC
MDXLD-PV16-1 1000VDC

ACCESSORIES IN THE COMBINER BOX CAN BE CUSTOMIZED

A solar combiner box is an electrical box that houses several dc components. Moreday provides professional customized services to meet customers’ needs. We provide circuit customization for access to general inverter requirements, including your brand, box size, dc accessories, circuit input and output requirements, and mc4 connectors, etc. For customization, please send your requirements to our engineers.

Common Queries

Frequently Asked Questions

You'll find answers about our products. If your question is not answered below,
please feel free to contact us.
Combiner boxes combine the output of multiple solar panels into a single circuit, simplifying wiring and increasing overall system efficiency.
The key components of a solar combiner box include input connections for the solar panels, output connections for the inverter, circuit breakers or fuses for overcurrent protection, surge protection devices, and monitoring systems.
High-quality Solar PV combiner boxes provide reliable protection against electrical faults, minimize power losses, and withstand harsh weather conditions, ensuring the safety, efficiency, and durability of your solar system.
When choosing a distribution box manufacturer, consider factors such as the manufacturer’s experience, customization options, certifications, and warranty service.
Moreday’s PV combiner boxes are certified by organizations such as CE,IEC, or TūV, which fully ensures that they comply with industry standards.
Yes, Moreday’s combiner boxes can be installed outdoors. Its shell is added with flame retardant, which is resistant to external radiation, dustproof, anti-corrosion, and outdoor waterproof up to IP65. You can purchase it with confidence.

The combiner box should be made of durable materials that are resistant to UV, corrosion, and extreme weather conditions. Common materials include high-quality plastics such as polycarbonate or metal casings with corrosion-resistant surfaces.

Yes, improper wiring can lead to overheating, inefficiency, and even safety hazards in the solar combiner box. Make sure all connections are secure and correctly rated for system voltage and current.
Regular inspection: Check the DC combiner box every few months to ensure that all connections are tight and not loose. Loose connections can cause poor contact and increase the risk of overheating and fire.
Keep it clean: Remove dust, dirt, and other impurities from the inside and outside of the combiner box. This helps prevent short circuits and corrosion, especially in wet or dusty environments.
Waterproof and sealing inspection: Check whether the sealing and waterproofing measures of the combiner box are intact. Any cracks or damaged seals should be repaired immediately to prevent moisture from penetrating.
Check protective devices: Check that fuses and circuit breakers are working properly. These are important safety devices in the combiner box, which can cut off the current when the current is too large to prevent equipment damage.
Check for corrosion: Regularly inspect terminal blocks and metal parts for signs of corrosion. Corrosion can lead to poor contact, reducing the overall efficiency and safety of the system.
Monitor system performance: Pay attention to whether the output of the system drops, which may be a sign of DC combiner box failure. If you notice performance degradation, you should conduct a more in-depth inspection.
If you are not familiar with electrical systems, it is recommended to ask professional technicians for regular inspection and maintenance. Professionals can identify and resolve problems that may not be readily apparent.
Following these maintenance steps can help ensure that your PV combiner box and entire solar system operate safely and efficiently. Not only can it extend the life of the equipment, it can also improve the overall performance of the system.

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