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High Performance Photovoltaic DC Circuit Breaker - Solar Panel Isolator Switch with IP66 Protection High Performance Photovoltaic DC Circuit Breaker - Solar Panel Isolator Switch with IP66 Protection
High Performance Photovoltaic DC Circuit Breaker - Solar Panel Isolator Switch with IP66 Protection High Performance Photovoltaic DC Circuit Breaker - Solar Panel Isolator Switch with IP66 Protection

High Performance Photovoltaic DC Circuit Breaker - Solar Panel Isolator Switch with IP66 Protection

US$ 20.00 ~ 12.00
Min.Order: 5
Product origin: Hefei, Anhui, China
Category: Electrical Equipment & Supplies
Product Name: Electrical Equipment & Supplies
Availability:In Stock
Product Review : 3 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Model Number : LONQ-40
  • Pole Configuration : 2P/4P
  • Rated Voltage : 1000VDC to 1200VDC
  • Rated Current : 10A/16A/20A/25A/32A
  • Dimensions : 108×101×166mm
  • Waterproof Rating : IP66
  • Breaking Capacity : 1000/1700
  • Certifications : CE/CB/TUV/IEC/SAA
  • Standards Compliance : IEC60947-3
  • Operating Temperature : -25°C to +85°C
  • Connection Types : M20, M25 Solar connector
  • Shut-off Time : Approx. 2ms
  • Mechanical Life : 10,000 operations
  • UV Resistance : Yes
  • Enclosure Material : Flame retardant
  • Mounting Type : Wall-mounted
  • Operation Type : Manual
  • Rated Short-Circuit Capacity : 1000A
  • Rated Impulse Withstand Voltage : 8000V

Our high-performance photovoltaic DC circuit breaker is engineered to provide superior protection for solar panel systems. The product has undergone rigorous testing, including 96.5°C high temperature and flame retardant tests where the burning flame was completely extinguished within just 5 seconds - significantly faster than the standard 10-second requirement.

The breaker has passed IEC-authorized IP66 waterproof testing, ensuring reliable operation in various weather conditions. Our quality control includes regular simulation tests that replicate actual usage environments to guarantee consistent IP66 protection grade performance.

During peak temperature conditions (approximately 2pm), our tests show the working DC isolating switch maintains a maximum contact temperature of just 28.8°C, well below the standard 35°C threshold, demonstrating exceptional thermal performance.

The photovoltaic DC circuit breaker features a wall-mounted design that allows for flexible installation without needing to open the cover during mounting. Its rational operational design prevents reverse or incorrect rotation, while the earth terminal provides additional safety.

With certifications including CE, CB, TUV, IEC, and SAA, this breaker meets international standards IEC60947-3 and AS/NZS60947.3:2015. It's suitable for various solar connector types including M20 and M25 connections.

T***B 2025-12-03

The delivery was incredibly fast and efficient, arriving well ahead of the estimated schedule. The packaging was robust and secure, ensuring the product was in perfect condition upon arrival. The quality of the breaker feels exceptional; it has a solid, durable construction that inspires confidence for long-term outdoor use. The IP66 rating seems very legitimate based on the sealing and build. Customer service was responsive and helpful during the ordering process, answering my preliminary questions promptly. Overall, a very smooth transaction from start to finish. The product appears to be exactly as described in the listing. I appreciate the attention to detail in both the product itself and the service provided. It was a hassle-free purchase experience. The communication was clear throughout, and there were no surprises. I would definitely consider purchasing from this seller again for future solar project needs. The item was well-protected in transit, which is crucial for electrical components. The overall impression is one of professionalism and reliability.

J***Q 2025-12-01

Naturally, the delivery was exceptionally prompt and well-handled. The package arrived ahead of the estimated schedule, which was a pleasant surprise. Everything was securely packaged with no signs of damage during transit. The courier service provided clear tracking updates, making the entire process transparent and stress-free. Regarding the item itself, the build quality appears robust and solid, exactly as described. The materials feel durable and suitable for outdoor installation. The IP66 rating seems credible based on the construction. As for customer service, my initial inquiry was answered quickly and professionally. The support team was knowledgeable and helpful. Overall, a very satisfactory experience from start to finish. I would confidently order from this seller again based on this transaction.

B***F 2025-10-13

Logistics were impressively fast and reliable, with the package arriving ahead of schedule in perfect condition. The quality of the item is outstanding, featuring robust construction that feels durable and well-made. Customer service was exceptional, providing prompt and helpful responses to all my inquiries. Overall, a very satisfying experience from start to finish.

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