VOPV DC-isolatorbrytare ELR1-serien

Overview of the VOPV DC Isolator Switch

The VIOX VOPV DC Isolator Switch ELR1 Series represents a significant advancement in photovoltaic system safety and performance. Designed specifically for 1-20 KW residential and commercial photovoltaic installations, this premium DC isolator switch serves as a critical safety component positioned between photovoltaic modules and inverters. With an exceptionally fast arcing time of less than 8ms, the VOPV ELR1 series ensures enhanced solar system safety and stability while offering reliable long-term performance throughout the lifetime of your installation.

As solar energy adoption continues to grow worldwide, the demand for high-quality isolator switches that can withstand harsh environmental conditions while maintaining optimal performance has never been higher. The VOPV DC Isolator Switch meets these demands through rigorous engineering, premium materials, and compliance with international safety standards including IEC60947-3 and AS60947.3.

Key Applications of the VOPV DC Isolator Switch

The ELR1 Series DC Isolator Switch is engineered for versatile application across various photovoltaic installations:

• Residential rooftop solar panel systems (1-10 KW)
• Commercial building solar installations (10-20 KW)
• Small-scale solar farms
• Off-grid solar power systems
• Battery storage systems with DC coupling
• Solar power backup solutions

Superior Design Features of the ELR1 Series Isolator Switch

Robust Environmental Protection

The VOPV DC Isolator Switch features an IP66-rated enclosure, providing complete protection against dust intrusion and powerful water jets from any direction. This exceptional level of protection makes the switch ideal for outdoor installations where exposure to harsh weather conditions is inevitable. Additionally, the UV-resistant construction ensures longevity even under direct sunlight exposure, preventing degradation of the housing material over time.

Enhanced Safety Mechanisms

Safety is paramount in photovoltaic systems, and the ELR1 series incorporates multiple safety features:

• Padlockable handle in the “OFF” position, preventing unauthorized reconnection during maintenance
• Ultra-fast arcing time of less than 8ms, minimizing the risk of electrical arcs
• Clear ON/OFF position indicators for visual confirmation of switch status
• No polarity restrictions, allowing “+” and “-” polarities to be interchanged for simplified installation
• Double insulation for additional electrical safety

Installation Convenience

The VOPV Isolator Switch is designed with installer convenience in mind:

• 2 mounting tabs for secure attachment to various surfaces
• 4 x M25 threaded holes providing flexible connection options and space-saving installation
• Compatible with MC4 plugs using adapter or cable gland attachments
• Available in both 2-pole and 4-pole configurations to accommodate single or double string setups
• IP66 air valve that facilitates air flow and reduces internal temperature build-up

Technical Specifications of the VOPV DC Isolator Switch

Elektriska egenskaper

The VOPV DC Isolator Switch ELR1 Series offers impressive electrical specifications that ensure reliable performance in demanding photovoltaic applications:

Elektriska egenskaper
Typ	VOPV16-ELR1, VOPV25-ELR1, VOPV32-ELR1
Standard	IEC60947-3, AS60947.3
Utilization category	DC-PV2, DC-PV1, DC-21B
Pole	4P
Nominell frekvens	DC
Rated operational voltage (Ue)	300V, 600V, 800V, 1000V, 1200V
Nominell isolationsspänning (Ui)	1200V
Conventional enclosed thermal current (Ithe)	Samma som Ie
Rated short-time withstand current (Icw)	1kA, 1s
Rated impulse withstand voltage (Uimp)	8,0kV
Overvoltage category	II
Suitability for isolation	JA
Polaritet	Ingen polaritet, polariteterna "+" och "-" kan bytas ut
Ingress protection | Switch Body	IP66

Operational Life
Mechanical	18000 operations
Electrical	2000 operations

Model Variations

The series includes three models to meet different current requirements:

• VOPV16-ELR1: 16A current rating
• VOPV25-ELR1: 25A current rating
• VOPV32-ELR1: 32A current rating

Spännings- och strömvärden

• Maximum operational voltage: Up to 1200V DC
• Voltage options: 300V, 600V, 800V, 1000V, 1200V
• Rated insulation voltage: 1200V
• Rated impulse withstand voltage: 8.0kV
• Rated short-time withstand current: 1kA for 1 second

Kategorier för användning

The ELR1 series supports multiple DC utilization categories:

• DC-PV2: For use in photovoltaic circuits, disconnection of one or more PV strings, under load
• DC-PV1: For use in photovoltaic circuits, disconnection under no-load conditions
• DC-21B: For resistive loads including moderate overloads

Mechanical Properties

• Mechanical operational life: 18,000 operations
• Electrical operational life: 2,000 operations
• Pole configuration: 4P (four-pole)
• Overvoltage category: II
• Ingress protection: IP66

ELR1 Dimension

ELR1 Contact Wiring Diagram

Efterlevnad och certifiering

The VOPV DC Isolator Switch is manufactured to meet stringent international standards:

• IEC60947-3: International standard for low-voltage switchgear and controlgear
• AS60947.3: Australian/New Zealand adaptation of the IEC standard

These certifications ensure that the isolator switch meets global requirements for safety, performance, and reliability in photovoltaic applications.

Benefits of Using VIOX VOPV DC Isolator Switches in Solar Installations

Enhanced System Safety

The primary function of a DC isolator switch is to provide a safe disconnection point between solar panels and inverters. The VOPV ELR1 series excels in this role with its rapid arcing time and secure locking mechanisms, significantly reducing electrical hazards during installation, maintenance, or emergency situations.

Improved System Longevity

By incorporating high-quality components and robust environmental protection, the VOPV isolator switch contributes to the overall longevity of the photovoltaic system. The switch’s durability means fewer replacements over the system’s lifetime, reducing maintenance costs and system downtime.

Simplified Maintenance

The ability to padlock the switch in the OFF position provides maintenance personnel with added security when servicing the system. This feature ensures that the circuit remains disconnected throughout maintenance procedures, eliminating the risk of unexpected reconnection.

Mångsidiga installationsalternativ

With multiple connection possibilities and both 2-pole and 4-pole configurations available, the VOPV isolator switch can be adapted to various system architectures, making it a versatile choice for different photovoltaic installations.

Väderbeständighet

The IP66 rating and UV resistance make the VOPV isolator switch particularly suitable for outdoor installations, where it will be exposed to rain, dust, and direct sunlight. This level of protection ensures consistent performance regardless of environmental conditions.

Installation Guidelines for VOPV DC Isolator Switches

Positioning Recommendations

For optimal performance and safety, we recommend installing the VOPV DC isolator switch:

• In an accessible location for easy operation in case of emergency
• Protected from direct, prolonged exposure to extreme elements when possible
• Mounted vertically on a stable surface
• With adequate clearance around the switch for ventilation and operation

Konfiguration av kablage

The VOPV DC isolator switch supports both single and double string configurations:

• 2-pole option: Suitable for single string installations
• 4-pole option: Ideal for double string setups, providing isolation for both strings simultaneously

Connection can be made using MC4 plugs with appropriate adapters or through cable glands, offering flexibility based on your specific installation requirements.

Rekommendationer för underhåll

To ensure continued optimal performance of your VOPV DC isolator switch:

• Periodically inspect the enclosure for any signs of damage or wear
• Check that the padlocking mechanism functions correctly
• Verify that all cable connections remain secure and free from corrosion
• Test the switch operation according to the system maintenance schedule, typically annually
• Clean the exterior using a damp cloth if excessive dust buildup occurs (ensure the system is powered down first)

Why Choose VIOX for Your Photovoltaic Isolation Needs

VIOX has established itself as a leader in electrical safety components for renewable energy systems. Our commitment to quality and innovation is reflected in every aspect of the VOPV DC Isolator Switch ELR1 Series. When you choose VIOX products, you benefit from:

• Rigorous quality control processes ensuring consistent product performance
• Components selected for optimum quality and longevity
• Compliance with international safety standards
• Products engineered specifically for the unique challenges of photovoltaic applications
• Technical support from experts in the field

Comparing DC Isolator Switch Options for Solar Systems

When selecting a DC isolator switch for your photovoltaic installation, several factors should be considered:

Ström- och spänningsvärden

The VOPV ELR1 series offers options for 16A, 25A, and 32A current ratings with voltage ratings up to 1200V DC, accommodating a wide range of system sizes from small residential to larger commercial installations.

Miljöskydd

With its IP66 rating and UV resistance, the VOPV isolator switch provides superior protection against environmental factors compared to lower-rated alternatives that may only offer IP54 or IP65 protection.

Operational Life

The 18,000 mechanical operations and 2,000 electrical operations ratings of the VOPV switch ensure long-term reliability, exceeding the specifications of many competing products.

Säkerhetsfunktioner

The padlockable handle and rapid arcing time of the VOPV isolator switch enhance system safety, providing peace of mind for system owners and maintenance personnel alike.

Conclusion: The Importance of Quality DC Isolation in Photovoltaic Systems

As solar energy continues to play an increasingly important role in our global energy landscape, the components that ensure its safe and efficient operation become ever more critical. The VIOX VOPV DC Isolator Switch ELR1 Series represents our commitment to providing high-quality, reliable isolation solutions for photovoltaic systems of all sizes.

With its robust construction, comprehensive safety features, and compliance with international standards, the VOPV isolator switch not only meets the current demands of the solar industry but is also designed to accommodate the evolving requirements of next-generation photovoltaic technologies.

For professionals involved in the design, installation, and maintenance of solar power systems, selecting the right isolator switch is a crucial decision that impacts system safety, performance, and longevity. The VOPV DC Isolator Switch ELR1 Series offers the perfect combination of reliability, durability, and ease of installation that makes it the preferred choice for discerning solar professionals worldwide.

Contact VIOX today to learn more about how our VOPV DC Isolator Switch ELR1 Series can enhance the safety and performance of your photovoltaic installations.