Shijee High Quality Suzhou Solar Panel Junction Box Connection Unit PV DC Photovoltaic Combiner Box

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Product Description

Basic Information

Model NO.DC 1 in 1 Out 600V
IP RatingIP67 / IP65 (Outdoor)
CertificationCE, TÜV, IEC 60947, IEC 60269
Rated VoltageDC 600V
Configuration1 Input / 1 Output
Temperature Range-25°C to +60°C
Package Size100.00cm * 100.00cm * 100.00cm
Gross Weight6.000kg

Product Description

DC 600V Solar PV Combiner Box

DC 1 in 1 Out 600V: Designed for compact and streamlined solar installations, this PV Combiner Box provides a reliable and efficient interface for single-string solar panel systems operating up to 600VDC. This unit safely combines the DC output from one solar string, integrating essential protection features such as overcurrent protection, surge protection, and isolation switching.

With its durable enclosure and optimized internal layout, it ensures secure connectivity while minimizing space requirements, making it ideal for residential, small commercial, or portable solar applications where simplicity and safety are paramount.

Solar Box Front Solar Box Internal

Engineered for ease of installation and long-term reliability, this combiner box supports straightforward wiring and maintenance. Its robust design withstands outdoor environmental conditions and helps enhance system performance by reducing electrical losses and improving fault management. Suitable for both grid-tied and off-grid solar setups.

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Technical Specifications

Application1 String Solar Panel System
MaterialUV-resistant ABS or Polycarbonate (PC)
Max Input Current15A / 20A / 30A (depending on fuse rating)
Circuit ProtectionDC Fuse (10A–30A), Optional DC Surge Protection Device (SPD)
Disconnect SwitchYes (DC Isolator Switch)
Cable EntryPG gland or watertight connector, supports 4–6mm² solar cable
MountingWall-mounted or pole-mounted
Warranty5–10 years (depending on components)
Key FeaturesCompact design, easy installation, safe isolation, outdoor durability.

Company Profile & Factory

Main Product Line

We are a professional solar PV electric components manufacturer. We specialize in DC Combiner boxes, DC circuit breakers, MC4 connectors, Surge Protective Devices, DC fuses, isolator switches, and more.

Our experience in the electrical industry for more than 10 years allows us to create solar DC components that comply with the latest DC standards, ensuring high quality and excellent service.

Factory Overview Production Line

Advantages & Certifications

Company Advantages Certifications Our Services

Packaging & Shipping

Packaging and Logistics

Frequently Asked Questions

Q1. Can I obtain samples for testing?
Yes, samples are available. Please contact our team, and we will respond within 24 hours to assist with your requirements.
Q2. Do you offer OEM or ODM customization?
Yes, we provide comprehensive OEM and ODM services. You can customize products with specific logos, designs, and technical configurations.
Q3. Are you a direct manufacturer?
Yes, we operate our own specialized manufacturing facilities, ensuring direct quality control and competitive lead times.
Q4. How is product quality guaranteed?
We employ a complete quality management system using high-grade raw materials. Inspections are conducted at every production stage, and we maintain full traceability for all components.
Q5. What is the typical lead time for an order?
Standard orders usually take 5 to 7 days to prepare, depending on the order volume and specific requirements.
Q6. What standards do your products comply with?
Our products are manufactured to comply with the latest international DC standards, including CE, TÜV, and IEC certifications.

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