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1500V DC Isolator Switch

LETOP 1500V DC Isolator Switches are perfect for isolating high-voltage systems manually. We made sure the disconnection is safe and supports the operational integrity of utility-scale PV assets.

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The Trusted 1500V DC Isolator Switch​ Manufacturer

LETOP provides more than just a product, it is also an enabler for your business growth. LETOP 1500V DC Isolator Switch is designed for manual isolation of high-voltage systems and strictly meets the stringent requirements of IEC 60947-3 1. By integrating switches with arc extinguishing chamber technology, you can provide your customers with ultimate safety assurance and significantly reduce project risks and long-term maintenance costs. Incorporating this superior reliability into your product portfolio or integrated solution means that you are building an indestructible quality and safety moat for your brand, thereby winning the deep trust of your customers in the fierce market competition.

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Optimized for 1000V DC

Enhance Your Brand's Reputation with Unmatched Safety

LETOP 1500V DC disconnectors have patented arc extinguishing technology (<3ms) and are certified by CE, CB, and TUV, strict international standards. Incorporating these world-class PV isolators into your brand portfolio means delivering the highest level of safety for your customers, building market trust, reducing project risks.

Strict IEC 60947 3 Compliance

Increase Your Profit Margins with Factory-Direct Price

LETOP is the source factory with over 15+ years of experience in lean production and automated production lines. By working directly with us, you can save on intermediate links, get competitive prices, and have stable supply chain guarantees, maximizing your profit margins.

Proven Field Reliability

Speed Up Your Global Expansion with Pre-Certified Products

We have helped many customers obtain all the certifications required to enter key markets such as Europe, Australia, and North America. This means you can save months of time and high certification costs, quickly bring your brand or distribution network to the global market, and seize the opportunity.

Durable Enclosures (IP66)

Build a Unique Product Line with Our Flexible OEM/ODM Capabilities

LETOP flexible OEM/ODM capabilities let you make unique isolators.
Stand out in a crowded market. Our strong customization abilities are what make our products so unique! We can customize your brand logos, enclosure & switch colors, and technical parameters to meet your market needs and build a strong product moat.

LETOP 1500V DC Isolator Switch Overview​

Check out the technical specifications for our range of LETOP 1000V DC Isolator Switches below. This info helps engineers, designers, and procurement teams in selecting the precise model for utility-scale solar power plants that operate at 1000V DC. The table shows key parameters including electrical ratings, available configurations, compliance standards, mounting options, and environmental resilience, making it easy to select the best system for safety and performance.

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OEM/ODM Services for Your Custom 1500V DC Isolator Switch​

We are committed to providing you with a clear, efficient and transparent B2B cooperation process, so that you can easily establish cooperation with us. From the first time you submit an inquiry, our dedicated cooperation manager will provide you with one-on-one consulting services to deeply understand your OEM needs or distribution plans. We are well aware of the importance of fast response and professional communication, so we promise to respond to your needs within 12 hours. Our cooperation path is designed to eliminate uncertainty, from initial technical consultation, solution quotation, to OEM sample production, to mass production and global logistics distribution, every step is clear and visible. Choosing us means choosing a smooth, reliable and long-term value-creating partnership.

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Branding package

Appearance & Structure

[✓] Customized housing color (matching your brand VI)

[✓] IP protection level options (IP65/IP66)

[✓] Material selection (standard/enhanced UV protection)

Appearance & Structure

Appearance & Structure

[✓] Customized housing color (matching your brand VI)

[✓] IP protection level options (IP65/IP66)

[✓] Material selection (standard/enhanced UV protection)

Electrical Configuration

Electrical Configuration

[✓] Pole selection (2/4 Pole)

[✓] Terminal type customization

[✓] Rated current options (16A, 25A, 32A...)

Design Modification and Cost Optimization

Certification & Compliance

[✓] Assistance in completing specific certifications under your brand;

[✓] Provide complete technical documentation and compliance document packages.

Key Features for 1500V DC Systems

Safe 1500V DC Load Breaking

Safe 1500V DC Load Breaking

Reliably switches under load conditions specific to high-voltage PV strings/arrays.

Robust Padlocking (LOTO)

Robust Padlocking (LOTO)

Essential for stringent safety protocols in large power plant operations.

High Visibility Status Indication

High-Visibility Status Indication

Crucial for operator awareness in complex, high-voltage environments.

Superior Weather & UV Resistance

Superior Weather & UV Resistance

High-grade enclosure materials (e.g., PC) ensure longevity in exposed utility-scale sites.

Optimized Arc Management at 1500V

Optimized Arc Management at 1500V

Design incorporates features to safely extinguish arcs generated at higher DC voltage.

Designed for Longevity

Designed for Longevity

Built with durable components to minimize replacements over the plant's operational life.

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Manufacturing Excellence Behind Every 1500V DC Disconnect Switch

Each LETOP 1500V DC Isolator Switch embodies our commitment as a professional factory. We insist on using V0 flame-retardant materials to ensure the highest level of fire safety, and adopt advanced contact silver plating technology to ensure that the switch still maintains low contact resistance and high reliability under long-term high load. Our proud arc extinguishing chamber technology ensures that the power supply can be disconnected quickly and safely during switching. In addition, we have optimized the product structure so that it can achieve IP66 waterproof level even if it is installed at any angle. This ultimate pursuit of technology and materials ensures that every product delivered to you is stable, reliable and safe. We provide not only components that meet standards, but also a market-proven and reliable solution.

Discuss OEM Requirements
1. Automated Assembly & Precision Manufacturing
2. Component Inspection & Quality Checks
3. Trip Curve Calibration & Verificatio
4. Endurance & Breaking Capacity Testing
5. Final Inspection & Quality Assurance
6. Printing & Packaging

1500V DC Solar Isolator Switch Case Study​

FAQ

Here you can find some of your common questions related to 1500Vdc Isolator Switch, which can help answer your doubts.

What's your OEM service for the 1500V DC Isolator Switch?

LETOP OEM service is a total partnership that brings you a product that is uniquely yours. Beyond high-quality logo application and custom packaging, we offer deep customization for your 1500V DC Isolator Switch. This includes picking custom Pantone colors for the enclosure to match your brand's visual identity, using specific materials like V0 flame-retardant composites, modifying mounting configurations, and even adjusting internal components like the thickness of the contact's silver plating to meet specific performance requirements. We help you launch a product with unique competitive advantages in the market.

What are the Minimum Order Quantities (MOQ) for standard orders and custom OEM projects?

We offer flexible MOQs to work with partners. For our standard 1500V DC Disconnect Switch models (neutral packaging), the MOQ is usually 100 units. For OEM projects involving branding customization, the MOQ starts at 500 units. For more complex ODM projects that require mold modifications or major engineering changes, the MOQ will be determined after a thorough technical evaluation. Our primary goal is to foster long-term partnerships, and we 're open to growing with you.

How does your certification help my business in international markets?

LETOP 1500V DC Isolator Switch needs to meet the strict IEC 60947-3 standard. It's a guarantee of safety and qualitythat ensures it will be accepted in regulated markets like the EU and beyond. By working with us, you can skip the expensive and time-consuming process of certifying a product from scratch. This lets you confidently bid on international projects and make sure your components meet the highest global safety standards, boosting your brand's credibility and getting you into the market faster.

How do you ensure quality and reliability across a mass production order of thousands of switches?

Our manufacturing philosophy is based on quality. We operate under a strict ISO 9001 certified quality management system in place. We test every single 1500V DC Isolator Switch on our production line, including 100% functional testing (continuity and insulation resistance) and rigorous batch testing for mechanical endurance, IP66 waterproof integrity, and arc extinguishing performance in our in-house lab.

What specific technical advantages make your 1500V DC isolator safer and more durable than other options?

LETOP main advantage is our reliable arc-extinguishing chamber, which allows for quick and safe DC arc suppression in 3 milliseconds. We're using premium, UV-resistant, and V0 flame-retardant materials for the enclosure to ensure long-term performance in harsh outdoor solar PV environments. By using superior technology and materials, we can save on maintenance costs, fewer field failures, and greater peace of mind for you and your customers.

Do you offer custom packaging services?

Our typical lead time for standard orders of our 1500V Photovoltaic Isolator is 2-4 weeks. For new OEM projects, the first order may take 4-6 weeks after final sample approval. We ensure the supply chain stays stable by keeping a safe stock of raw materials, working with multiple qualified suppliers, and using a fancy production planning system.

How do you help your OEM customers and distributors with marketing and technical support?

We believe our partners' success is our success. We provide a comprehensive support package includes high-resolution product photography and videos, detailed technical datasheets, editable marketing brochures, and complete installation manuals. For your technical teams, we offer online training sessions on the advanced features and applications of our Solar DC Isolator 1500V. We can also explore co-marketing initiatives and offer dedicated engineering support to help you secure large-scale projects for key strategic partners.

How do we get samples of the 1500V DC Isolator Switch for technical evaluation?

We strongly encourage potential partners to validate our quality and performance firsthand. It's super easy: just contact our sales team with your company profile and project requirements. We're happy to give free samples of our standard 1500V DC Isolator Switch to qualified B2B partners. After initial technical consultation, we'll provide a detailed quotation and timeline for custom OEM samples. We aim to send you standard samples within 7 days.

What is your warranty policy like?

We stand behind the quality of our products. Every 1500V DC Isolator Switch comes with a 2-year manufacturer warranty that covers defects in materials and workmanship. If there's an issue, you will be assigned a dedicated technical support contact to ensure swift resolution. Our process is quick and if we confirm a manufacturing defect , we 'll replace it and cover the shipping coststo minimize any disruption to your operations and protect your reputation.

As a solar installer or system integrator, can we purchase directly from you?

Yes, while our primary business model focuses on OEM and distribution partnerships, we absolutely support large-scale installers and system integrators for project-based procurement. The main advantage of buying directly from a 1500V DC isolator switch manufacturer like us are access to factory-direct pricing for bulk orders, which significantly boosts project profitability. You also get access to our engineering team for technical consultation and support, ensuring optimal product performance for your high-value solar power systems.

If no relevant issues are found, please contact us, E-mail:info@letopv.com.

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Get in Touch with Us

If you have any questions, please contact us and we will reply within 24 hours.

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Wenzhou LETOP Electric Co., Ltd.

Address

No. 19, Fenjin Road, Dongfeng Industrial Zone, Yueqing, Wenzhou, China 325604

Email Support

info@letopv.com

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+86-13175631986

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