Standard PV Combiner Box – Safe & Efficient Solar Power Distribution
PV Combiner Box
Key Features Of Standard PV Combiner Box
Application
-
Residential and Small Commercial Rooftops
-
Ensuring Electrical Safety
-
Organizing System Wiring
-
Cost-Effective Solutions
-
Facilitating Maintenance and Troubleshooting
About
The Junda Standard PV Combiner Box is compliant with NEC
2017/2020 and is used to combine per string up to a 35A fuse
- link (1500V - specific PV fuse, positive terminal), output circu it breaker rating 400A or 500A.
In a photovoltaic power generation system, a device that com
bines several PV string parallel for one output. Used between
PV modules and inverter. NEMA 4X enclosure ratings, meeting
the outdoor installation and usage requirements. Installation a nd maintenance simple, convenient, it has a long service life.
Features
-
Finger - safe fuse holders
-
400A or 500A, 1500V load breaker switch
-
Plated bus bars rated for 90°C, Cu/Al
-
Breather vent reduces internal condensation
-
Safety insulation shield covers all live components
-
Designed for ease of cable installation
-
1500V - Specific PV SPD, Type II
-
NEMA 4X lockable enclosure
-
Standard 5 - year warranty
-
Compliant with NEC 2017/2020
-
Meet UL1741 standard/compliance
Flexible
-
Pre - installed input glands or MC4 terminal connectors
-
Pre - installed output/grouding glands
-
Pre - installed breather valve
-
Pre - installed mounted brackets
-
Output Cu/Al bus bars: cable cross section area 500 ~ 1000AWG/kc mil, easy 2 - hole output plug access
TYPE
MODELS | JD-PVHC-8 | JD-PVHC-10 | JD-PVHC-12 |
|---|---|---|---|
Maximum system voltage | 1500 V dc | 1500 V dc | 1500 V dc |
Maximum fuse | Up to 65A | Up to 65A | Up to 35A |
Maximum circuit breaker rating | 400A (external handle) | 500A (external handle) | 500A (external handle) |
Number of Dc input circuits | 8 | 10 | 12 |
Input cable | 1 ~ 8AWG | 1 ~ 8AWG | 1 ~ 8AWG |
Output cable | 2* (1*500 ~ 800) AWG/kcmil Cu or Al | 2* (1*800 ~ 1000) AWG/kcmil Cu or Al | 2* (1*800 ~ 1000) AWG/kcmil Cu or Al |
Grounding cable | 1/0 ~ 6AWG | 1/0 ~ 6AWG | 1/0 ~ 6AWG |
SPD | Type ll, max: 40KA; limp: 6.25KA, Uc: 1500V | Type ll, max: 40KA; limp: 6.25KA, Uc: 1500V | Type ll, max: 40KA; limp: 6.25KA, Uc: 1500V |
Enclosure | NEMA 4X | NEMA 4X | NEMA 4X |
Maximum air ambient | 50℃ | 50℃ | 50℃ |
Enclosure size (inches, W*H*D) | 28”*28”*10”（a） | 36”*28”*10”（a） | 36”*28”*10”（a） |
Weight (pounds) | 90lbs | 90lbs | 100lbs |
Factory Pricing with Customization Options
Standard PV Combiner Box - Advanced safety, Cost-Effective Solution, Maximizing Power Density, Optimizing System Efficiency
Advanced Solution for Projects
JUNDA-SOLAR provides the highest quality Standard PV Combiner Box 1500V DC for commercial and utility-scale solar installations.
Reliability and Safety
IP65-rated enclosure protects internal components from dust and water, while advanced cooling mechanisms prevent overheating
Key Features Of Combiner Box
PV Combiner Box is engineered with state-of-the-art technology to handle the demanding requirements of high-voltage DC systems
Why Choose JUNDA-SOLAR
We have a proven track record of serving large-scale solar projects in the United States, Germany, and Australia
Ideal Applications
Standard PV Combiner Box is the perfect solution for a wide range of applications. It is specifically designed for use in large commercial buildings
Related Products
SOLAR BRAN-NEX
Centralized cabling that simplifies system design and reduces installation time
Reliable, scalable solution for utility and commercial solar projects
Our Bran-Nex solutions are designed to optimize solar power distribution by consolidating multiple connections into a single, efficient pathway. This reduces wiring complexity, minimizes installation errors, and ensures safe, reliable performance across large solar installations.
PV CU CABLE
Durable copper cables engineered for reliable solar power transmission
Deliver consistent conductivity, withstand harsh environments
Our PV Cu Cables are manufactured with high-purity copper conductors and advanced insulation materials, designed to meet the demands of utility-scale and commercial solar projects. With excellent electrical performance, UV and flame resistance, and long service life, they provide stable power transmission and reduce maintenance costs—ensuring efficiency and reliability in every solar installation.
%20Wire%20Aluminum.webp)
PV AL CABLE
Lightweight aluminum cables for cost-effective solar power transmission
Reduce system costs, simplify installation, and maintain reliable performance.
Our PV Al Cables are engineered with high-quality aluminum conductors and advanced insulation, delivering safe and efficient power transmission for large-scale solar projects. Designed to be lightweight yet durable, they provide excellent conductivity, UV and flame resistance, and long service life. With lower material costs and easy handling, PV Al Cables are the ideal choice for utility and commercial solar installations.
Q1: What is a Standard PV Combiner Box?
A Standard PV Combiner Box is a fundamental electrical enclosure used in solar installations to consolidate the DC output from multiple strings of solar panels. It provides a single, organized point for power collection, essential protection, and system management before the power is sent to the inverter.
Q2: What is the primary function of a Standard PV Combiner Box?
The primary function is to serve as a central hub for safety and organization. It houses critical components like fuses and surge protection devices (SPDs) that protect the entire photovoltaic system from electrical faults, overcurrents, and lightning strikes. It also simplifies the wiring layout, making installation and maintenance more efficient.
Q3: How does it protect a solar array from electrical damage?
Our standard combiner boxes are equipped with overcurrent protection (fuses) for each individual string, which prevents damage from short circuits. Additionally, integrated surge protection devices (SPDs) are included to absorb and divert high-voltage spikes, such as those caused by lightning, safeguarding the valuable solar panels and inverter.
Q4: How does a Standard PV Combiner Box simplify installation?
By consolidating all the string cables into one enclosure, the combiner box eliminates the need for complex, messy field wiring. This "one-stop" solution streamlines the wiring process, reduces on-site labor, and creates a clean, professional, and organized installation that is easier to inspect and maintain.
FAQ
Q5: Is a Standard PV Combiner Box a cost-effective choice for my project?
Yes. For projects that do not require advanced monitoring or specialized features, a Standard PV Combiner Box provides a highly cost-effective solution. It delivers all the essential safety and organizational benefits of a combiner box at a lower price point, making it an excellent choice for budget-conscious projects.
Q6: Can this product be used with both residential and commercial projects?
Yes. The Standard PV Combiner Box is a versatile product suitable for a wide range of applications, from residential rooftop installations to small and medium-sized commercial projects. It is a foundational component that provides reliable performance across various system sizes.
Q7: How does it improve system maintenance and troubleshooting?
Even without advanced monitoring, the combiner box serves as a single, accessible point for system diagnostics. Technicians can quickly check fuses, test string voltages, and visually inspect connections from one central location, which simplifies troubleshooting and minimizes the time required for maintenance.
Q8: Are your Standard PV Combiner Boxes built to withstand harsh weather conditions?
Yes. Our combiner boxes are constructed with high-quality, durable materials and feature an outdoor-rated enclosure to withstand harsh environmental conditions. They are designed to protect internal components from rain, dust, UV radiation, and extreme temperatures, ensuring long-term reliability for your solar investment.
WHY JUNDA
A Different Approach, Using a New Method of Manufacturing
Our Factory
At our factory, operational excellence isn't just a slogan, it's the way we work. We're constantly striving to improve every aspect of our production process, from material selection to final assembly. By eliminating waste and focusing on efficiency, we ensure we're delivering the highest quality PV harnesses while maximizing productivity.
COLLABORATION
Our Industry Partners
