Вимикач постійного струму VOPV серії L1

Introduction to DC Isolator Switches

In the rapidly evolving solar energy market, safety and reliability remain paramount concerns for both residential and commercial installations. The VOPV DC Isolator Switch L1 Series represents a significant advancement in photovoltaic system protection technology, offering superior isolation capabilities specifically engineered for solar applications. This premium isolator switch serves as a critical safety component in any photovoltaic system, providing reliable electrical isolation between solar panels and inverters to ensure both system protection and personnel safety during maintenance or emergency situations.

What is a DC Isolator Switch?

A DC isolator switch is a specialized electrical safety device designed to completely disconnect the DC power flow from solar panels to the inverter. Unlike standard AC switches, DC isolator switches are specifically engineered to handle the unique characteristics of direct current, including the potential for dangerous DC arcing. The VOPV L1 Series has been meticulously designed to address these challenges, offering safe and reliable isolation for photovoltaic installations ranging from 1 to 20 kilowatts.

VOPV DC Isolator Switch L1 Series Overview

The L1 Series DC Isolator Switch is a premium safety solution applied to 1-20 KW residential or commercial photovoltaic systems. Strategically placed between photovoltaic modules and inverters, this isolator switch provides essential protection against electrical hazards while ensuring optimal system performance. With an arcing time of less than 8ms, the L1 Series significantly reduces the risk of electrical fires and system damage, keeping your solar installation safer than ever before.

Engineered for excellence, our VOPV DC Isolator Switch L1 Series is manufactured using components of optimum quality, ensuring exceptional stability and an extended service life. With a maximum voltage rating of up to 1200V DC, this isolator switch maintains a safe lead among similar products in the market, providing uncompromised protection for your valuable solar investment.

Key Features and Benefits of the VOPV DC Isolator Switch L1 Series

Exceptional Safety Features

• Rapid Arc Extinguishing: With an arcing time of less than 8ms, the VOPV L1 Series minimizes the risk of electrical fires and system damage.
• Lockable Handle: The handle can be securely locked in the “OFF” position, preventing accidental reconnection during maintenance or emergency situations.
• IP20 Protection Level: Ensures protection against solid objects larger than 12mm, providing an additional safety barrier.
• High Insulation Voltage: Rated insulation voltage of 1200V DC ensures complete electrical separation between the input and output circuits.

Універсальні параметри конфігурації

• Multiple Current Ratings: Available in 16A, 25A, and 32A variants (VOPV16-L1, VOPV25-L1, VOPV32-L1) to accommodate different system requirements.
• Flexible Pole Configurations: 2-Pole and 4-Pole options available, suitable for both Single and Double String configurations.
• Широкий діапазон напруги: Operational across multiple voltage levels including 300V, 600V, 800V, 1000V, and 1200V DC.

Installation and Practical Advantages

• Монтаж на DIN-рейку: Easy installation on standard DIN rails, saving time and ensuring secure placement.
• No Polarity Restrictions: “+” and “-” polarities can be interchanged, simplifying installation and reducing potential errors.
• Компактний дизайн: Space-efficient dimensions allow for installation in confined areas without compromising functionality.

Technical Specifications: VOPV DC Isolator Switch L1 Series

Відповідність та сертифікація

The VOPV L1 Series DC Isolator Switch is manufactured in strict accordance with international standards:

• Standard Compliance: IEC60947-3, AS60947.3
• Utilization Categories: DC-PV2, DC-PV1, DC-21B

Електричні характеристики

Параметр	Специфікація
Доступні моделі	VOPV16-L1, VOPV25-L1, VOPV32-L1
Pole Configuration	4P (4 Poles)
Номінальна частота	ВАШИНГТОН, ОКРУГ КОЛУМБІЯ
Номінальна робоча напруга (Ue)	300V, 600V, 800V, 1000V, 1200V
Номінальна напруга ізоляції (Ui)	1200V
Conventional Enclosed Thermal Current	Те саме, що й Ie
Номінальний короткочасний витримуваний струм (Icw)	1 кА, 1 с
Номінальна імпульсна витримувана напруга (Uimp)	8,0 кВ
Категорія перенапруги	II
Придатність для ізоляції	ТАК.
Полярність	No polarity, “+” and “-” polarities can be interchanged
Ingress Protection (Switch Body)	IP20

Довговічність і надійність

Параметр	Значення
Mechanical Endurance	18 000 операцій
Електрична витривалість	2 000 операцій

VOPV DC Isolator Switch L1 Series Dimension

VOPV DC Isolator Switch L1 Series contact wiring diagram

Applications of the VOPV DC Isolator Switch L1 Series

Побутові сонячні установки

The VOPV L1 Series is ideally suited for residential solar systems ranging from 1kW to 20kW. In home installations, this isolator switch provides essential safety functionality, allowing homeowners to quickly disconnect their solar panels from the inverter during maintenance, emergencies, or severe weather events. The lockable handle feature ensures that children or unauthorized individuals cannot inadvertently reconnect the system, providing peace of mind for homeowners.

Commercial Photovoltaic Systems

For commercial installations, the VOPV L1 Series offers the robust performance and reliability needed in professional settings. The isolator switch’s ability to handle up to 1200V DC makes it suitable for larger commercial systems, while its compliance with international standards ensures it meets the stringent requirements often specified in commercial solar projects. The DIN rail mounting capability facilitates integration into existing electrical infrastructure, saving valuable installation time and resources.

Off-Grid Solar Solutions

In off-grid solar applications, where system reliability is particularly crucial, the VOPV L1 Series provides dependable isolation capabilities. The switch’s exceptional durability, with 18,000 mechanical operations and 2,000 electrical operations, ensures long-term performance even in remote locations where maintenance might be challenging. The ability to handle various voltage levels makes this isolator switch adaptable to different off-grid system configurations.

Safety Advantages of the VOPV DC Isolator Switch

Protection Against DC Arc Faults

One of the most significant hazards in DC electrical systems is arc faults, which can cause serious fires and damage. The VOPV L1 Series isolator switch addresses this concern with its rapid arc extinguishing capability. With an arcing time of less than 8ms, it quickly interrupts potential arc faults, significantly reducing fire risks and enhancing overall system safety.

Secure Isolation During Maintenance

Maintenance on solar systems requires complete electrical isolation to ensure technician safety. The VOPV isolator switch provides reliable disconnection of the DC circuit, creating a safe working environment. The lockable OFF position prevents accidental or unauthorized reconnection during maintenance procedures, adding an extra layer of security for maintenance personnel.

Emergency Shutdown Capability

In emergency situations, rapid shutdown of the solar system may be necessary. The VOPV L1 Series allows for quick and complete isolation of the photovoltaic array from the rest of the system, helping to prevent potential damage or safety hazards during fires, electrical faults, or extreme weather events.

Installation Guide: VOPV DC Isolator Switch L1 Series

Recommended Installation Location

The VOPV DC Isolator Switch should be installed between the photovoltaic modules and the inverter, in a location that is easily accessible for emergency operation. For optimal performance and safety, the switch should be installed in a weather-protected location, or within an appropriate enclosure if exposed to outdoor conditions.

Mounting Procedure

The VOPV L1 Series features convenient DIN rail mounting capabilities, allowing for simple and secure installation. The switch should be firmly attached to a standard 35mm DIN rail, ensuring it cannot be accidentally dislodged. Once mounted, verify that the switch operates smoothly and that the locking mechanism functions correctly.

Інструкція з підключення

When connecting the VOPV DC Isolator Switch, refer to the contact wiring diagram provided with the product. The switch accommodates both 2-pole and 4-pole configurations, suitable for single or double string systems. Since the switch has no polarity restrictions, the “+” and “-” connections can be interchanged, simplifying the installation process.

Обслуговування та догляд

Regular Inspection Recommendations

To ensure continued optimal performance of your VOPV DC Isolator Switch, regular visual inspections are recommended. Check for any signs of physical damage, loose connections, or corrosion. Verify that the switch handle operates smoothly and that the locking mechanism functions properly. It is advisable to conduct these inspections at least once every six months, or more frequently in harsh environmental conditions.

Testing Procedures

Periodic testing of the isolator switch functionality is essential to maintain system safety. With the solar system in a low-production state (early morning or overcast day), operate the switch to verify that it successfully disconnects the PV array from the inverter. Confirm that the inverter shuts down when the switch is in the OFF position, indicating proper isolation. This testing should be performed annually as part of routine system maintenance.

Усунення поширених проблем

If you encounter difficulty operating the switch handle, check for any obstructions or signs of mechanical damage. For electrical issues, such as the inverter continuing to operate when the switch is OFF, verify the wiring connections according to the provided diagram. If problems persist, contact a qualified solar technician for professional assessment and repair.

Comparing the VOPV L1 Series with Other Isolator Switches

Advantages Over Standard AC Isolators

Unlike standard AC isolator switches, the VOPV L1 Series is specifically designed for DC applications, particularly photovoltaic systems. It features specialized arc extinguishing capabilities (less than 8ms arcing time) that address the unique challenges of interrupting DC current. Standard AC isolators lack these essential features, making them unsuitable and potentially dangerous for DC isolation applications.

Competitive Edge in the DC Isolator Market

The VOPV L1 Series stands out among DC isolators with its exceptional voltage rating of up to 1200V DC, exceeding many competing products. Its combination of high-quality components, versatile configuration options, and compliance with international standards positions it as a premium choice for discerning solar installers and system designers. The no-polarity design also simplifies installation compared to many polarity-sensitive alternatives.

Гарантія та підтримка

Product Warranty Details

The VOPV DC Isolator Switch L1 Series comes with a comprehensive warranty that reflects our confidence in its quality and durability. Our standard warranty covers manufacturing defects and material failures under normal operating conditions. For specific warranty terms and conditions, please refer to the warranty documentation included with your purchase or contact our customer support team.

Technical Support Services

Our dedicated technical support team is available to assist with any questions or concerns regarding the VOPV L1 Series. From installation guidance to troubleshooting assistance, our experts provide prompt and knowledgeable support to ensure your complete satisfaction with our products. Technical support can be accessed through our customer service hotline or via email.

Conclusion: Why Choose the VOPV DC Isolator Switch L1 Series

The VOPV DC Isolator Switch L1 Series represents the pinnacle of safety and reliability in photovoltaic system protection. Engineered specifically for solar applications ranging from 1 to 20 KW, this premium isolator switch combines advanced safety features, versatile configuration options, and exceptional durability to deliver superior performance in both residential and commercial installations.

With its rapid arc extinguishing capability, lockable handle, and compliance with international standards, the VOPV L1 Series provides peace of mind for system owners and installers alike. The switch’s high voltage rating of up to 1200V DC, coupled with its mechanical endurance of 18,000 operations, ensures long-term protection for your valuable solar investment.

Choosing the VOPV DC Isolator Switch L1 Series means selecting a product that prioritizes safety without compromising on quality or performance. Whether for a residential rooftop installation or a commercial solar array, this isolator switch delivers the reliable protection essential for any photovoltaic system.

For more information about the VOPV DC Isolator Switch L1 Series or to place an order, contact our sales team today. Experience the difference that premium isolation technology can make in your solar installation.