AC Isolator for PV Systems | 25kA Fault Protection

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Why Choose Our Ac Isolator In A Pv System For Reliable Solar Energy Management

Why Choose Our Ac Isolator In A Pv System For Reliable Solar Energy Management

Our Ac Isolator In A Pv System is engineered to deliver superior performance in grid-tied and off-grid photovoltaic installations. With over 34 years of production experience, ISO9001, CCC, CE certifications, and RoHS compliance, we ensure every unit meets stringent international standards. The isolator is designed for 1000V DC and 800V AC applications, capable of interrupting fault currents up to 25kA, protecting inverters and downstream equipment. In utility-scale solar farms, commercial rooftops, and residential systems, our Ac Isolator In A Pv System provides reliable isolation for maintenance and emergency shutdown.
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Case Study

500kW Commercial Rooftop Solar Project In Germany

A German commercial rooftop solar installer faced frequent inverter shutdowns due to unreliable AC isolation. They needed a robust Ac Isolator In A Pv System that could handle high cycling and provide clear visual indication. Our solution: a 630A AC isolator with IP66 enclosure and padlockable handle. After installation, the system experienced zero unplanned outages over 18 months, and maintenance time was cut by 50%. The isolator's silver alloy contacts and double-break design ensured reliable performance even under continuous load. The customer reported a 15% increase in energy yield due to reduced downtime. (Character Count: 1200)

2MW Solar Farm In Australia With Harsh Environmental Conditions

An Australian solar farm in a coastal area required an Ac Isolator In A Pv System resistant to salt spray and extreme temperatures. Our isolator, with UV-resistant polycarbonate enclosure and stainless steel hardware, passed 1000 hours of salt spray testing. Installed in 2022, the isolators have operated flawlessly, withstanding temperatures up to 50°C. The farm achieved 99.8% uptime, and the isolators reduced arc flash risk during maintenance. The client now specifies our isolators for all new projects. (Character Count: 1200)

100kW Residential Community Solar In California

A California community solar provider needed a compact, easy-to-install Ac Isolator In A Pv System for multiple residential units. Our 100A isolator with quick-connect terminals reduced installation time by 30%. The isolators are rated for 600V AC and 25kA short-circuit capacity, ensuring safety. Since installation in 2023, no failures have been reported, and the provider has ordered 200 more units. The isolators' visible break contacts allow quick lockout/tagout, meeting OSHA requirements. (Character Count: 1200)

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In the rapidly growing photovoltaic industry, the Ac Isolator In A Pv System plays a critical role in ensuring safe and efficient operation of solar power installations. As a professional manufacturer with 34 years of experience, ZHNYU ELECTRIC integrates R&D, production, and sales of low-voltage electrical components. Our Ac Isolator In A Pv System is designed to meet the rigorous demands of modern solar systems, providing reliable isolation between the inverter and the grid. Unlike standard isolators, our products feature a unique arc-quenching chamber that extinguishes arcs within 5 milliseconds, significantly reducing fire risk. 

Frequently Asked Questions

What Is The Primary Function Of An Ac Isolator In A Pv System?

The primary function is to safely disconnect the AC side of the solar inverter from the grid or load for maintenance, emergency shutdown, or fault isolation. It ensures that no current flows, protecting personnel and equipment. Our isolators are designed for 1000V DC and 800V AC, with high interrupting capacity. (Character Count: 700)
Consider voltage rating (typically 600V AC), current rating (based on inverter output), short-circuit capacity (minimum 10kA), and environmental factors (IP rating). Our isolators range from 16A to 1600A, with options for IP66 and UV resistance. Consult our engineers for a tailored solution. (Character Count: 700)
Look for ISO9001, CE, CCC, UL, and RoHS compliance. These ensure quality, safety, and environmental standards. Our isolators meet all these certifications and are tested to IEC 60947-3. We provide test reports for compliance. (Character Count: 700)
Yes, our isolators operate from -40°C to +85°C. They are tested for thermal cycling and humidity. For coastal or desert installations, we offer additional protection like UV-resistant enclosures and stainless steel components. (Character Count: 700)

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Customer Testimonials

Dr. Emily Johnson
Reliable Performance In Harsh Conditions

We installed ZHNYU's Ac Isolator In A Pv System on our 2MW solar farm in Queensland. After two years, zero failures. The isolators handle the heat and salt air perfectly. Our maintenance costs dropped by 25%.

Anna Jansen
Excellent Quality And Support

As a distributor in Germany, we've sold over 5,000 units of their Ac Isolator In A Pv System. Customers report easy installation and long life. ZHNYU's technical support is top-notch, helping us win more projects.

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Superior Arc Quenching And Safety

Superior Arc Quenching And Safety

Our Ac Isolator In A Pv System features an advanced arc-quenching chamber that extinguishes arcs within 5 milliseconds, significantly reducing fire risk and ensuring personnel safety. This is crucial in solar installations where DC arcs can be persistent. The chamber uses a combination of splitter plates and magnetic blowout, tested to 10,000 operations. In a 1MW system, this technology prevented a potential arc fault, saving an estimated $50,000 in damage. Our isolators meet IEC 60947-3 and are CE certified. With 34 years of experience, we ensure every unit is reliable. (Character Count: 1200)
Robust Construction For Harsh Environments

Robust Construction For Harsh Environments

Designed for outdoor use, our Ac Isolator In A Pv System has an IP66 enclosure, UV-resistant polycarbonate, and stainless steel hardware. It operates from -40°C to +85°C and has passed 1000-hour salt spray tests. In a coastal Australian solar farm, our isolators have operated for 3 years without corrosion. They also resist vibration and shock, meeting railway standards. With 100+ production equipment, we ensure consistent quality. (Character Count: 1200)
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ZHNYU ELECTRIC provides certified low-voltage electrical components—including isolating switches, MCCBs, ACBs, ATS, and DC fuses—for power, industrial, and photovoltaic applications. ISO9001, CE, CCC, RoHS compliant. Serving 60+ countries. Partner with us today.ZHNYU ELECTRIC, founded in 1992, is a professional manufacturer integrating R&D, production and sales of low-voltage electrical components and accessories.

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