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We usually keep on with the principle "Quality To start with, Prestige Supreme". We've been fully committed to offering our purchasers with competitively priced excellent solutions, prompt delivery and skilled support for CNLonQcom Official Site,Solar DC Isolator,Photovoltaic Isolator,PV Disconnect Switch,DC Disconnect Switch, We give priority to good quality and customer fulfillment and for this we follow stringent excellent control measures. We've in-house testing facilities where our goods are tested on each and every aspect at different processing stages. Owning to latest technologies, we facilitate our prospects with custom-made production facility.
CNLonQcom Official Site, During the development, our company has built a well-known brand. It is well highly acclaimed by our customers. OEM and ODM are accepted. We've been looking forward to customers from all over the world to join us to a wild cooperation.

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  • DC combiner box 4 in and 2 out

    DC combiner box 4 in and 2 out

    CNLonQcom's quality DC combiner box 4 in and 2 out has an attractive appearance and is made of corrosion-resistant material, providing durability and seismic resistance. The enclosure material options include stainless steel, stainless steel spray coating, and iron spray coating, among other metal materials. DC combiner box 4 in and 2 out protects the solar DC circuit from overcurrent and overvoltage damage, prolonging the working life of the solar system and improving system safety.
  • DC Circuit Breaker

    DC Circuit Breaker

    CNLonQcom Miniature DC Circuit Breaker 1P 2P 3P 4P 35mm DIN Rail Mount for PV System Overload and Short Circuit Protection
    ●Rated voltage: DC250V/500V/750V/1000V
    ●Rated current: 6A/10A/16A/20A/25A/32A/40A/50A/63A
    ●Breaking Capacity Icu: 6kA
    ●Poles: 1P/2P/3P/4P
    ●Shell material: PA
    ●Conductor material: copper
    ●Certificate: CE, ROHS, ISO9001
  • DC Molded Case Circuit Breaker LQM1-250

    DC Molded Case Circuit Breaker LQM1-250

    CNLonQcom DC Molded Case Circuit Breaker LQM1-250 MCCB 1P 2P 3P 4P for PV System Battery Disconnection Protection
    ●Rated voltage: DC250V/500V/7500V/1000V/1500V
    ●Rated current: 160A/180A/200A/225A/250A
    ●Breaking Capacity Icu: 20kA ●Poles: 1P/2P/3P/4P
    ●Shell material: Bakelite
    ●Conductor material: copper
    ●Certificate: CE, ROHS, ISO9001
  • PV Solar Disconnect Switch DC1200V 32A 2in 2out

    PV Solar Disconnect Switch DC1200V 32A 2in 2out

    CNLonQcom PV Solar Disconnect Switch DC1200V 32A 2in 2out 2 String DC1200V 32A Isolator Switch IP66 Outdoor Waterproof and Dustproof For Solar Panel and Wind Pv Systems, RV, Houses, Boats.
    ●Rated voltage: DC1200V
    ●Rated current: 32A
    ●Protection level:IP66
    ●Shell material: PC
    ●Conductor material: copper
    ●Poles:4 poles
    ●Certificate: CE, TUV, CB, AZ, UKCA, ROHS, ISO9001
  • DC1500V Fuse 10x85mm

    DC1500V Fuse 10x85mm

    CNLonQcom DC1500V Fuse 10x85mm For Fuse Holder Replacement
    ●Rated voltage: DC1500V
    ●Rated current: 6/10/15/20/25/30A/35A
    ●Fuse Size: 10x85nn
    ●Certificate: CE, ROHS, ISO9001
  • PV Combiner Box 4 in 1 out DC500V

    PV Combiner Box 4 in 1 out DC500V

    CNLonQcom IP65 PV Combiner Box 4 in 1 out DC500V/600V/800V with Circuit Breaker and Surge Lightning Protection and Fuse For Outdoor Solar Panel DC Systems, Rv, Homes, Boats
    ●Rated voltage: DC500V/600V/800V
    ●Rated current: 6/10/16/20/25/32/40/50/63A
    ●String: 4in 1out
    ●Maximum input current per string: 6/10/16/20/25/30A
    ●Maximum output current per string: 6/10/16/20/25/32/40/50/63A
    ●Connector: MC-4 or PG
    ●standard: IEC60269-6, IEC60947-2, IEC61643-1
    ●Housing Material: PC+ABS
    ●Certificate: CE, IP65, ROHS, ISO9001
  • Related Blog
  • Reviews

  • Application of Fuse Holders in PV Solar System

    A fuse holder is a type of electrical protection device designed to provide rapid circuit disconnection in the event of overloads or short circuits, preventing equipment damage and fire risks. Our fuse holders are made from high-quality materials, featuring a compact design suitable for various applications, and offer high sensitivity and reliability.

  • Welcome Christmas, Wenzhou Longqi New Energy Technology Co., Ltd. wishes you a happy holiday

    As the bells of Christmas gradually ring, Wenzhou Longqi New Energy Technology Co., Ltd. extends the warmest blessings and sincere greetings to our customers. In this festive season full of joy and warmth, we hope to convey our deep gratitude and care through this special blessing.

  • The important role of surge protectors in combiner boxes

    Surge protectors play an important protective role in PV combiner boxes. PV combiner boxes are a key component in PV power generation systems.

  • Accelerated Synergistic Development of Photovoltaics and New Energy Vehicles: Integrated Solar-Storage-Charging Emerges as New Industry Trend

    As the global energy transition accelerates, the synergistic effects between photovoltaics (PV) and new energy vehicles (NEVs)—two major green industries—are becoming increasingly evident. From solar rooftops on vehicles to integrated solar-storage-charging stations, companies across the supply chain are rapidly exploring innovative applications of "PV + NEVs." Industry experts predict that this cross-sector collaboration will create a market worth over 100 billion yuan by 2030.

  • Understanding Molded Case Circuit Breakers (MCCBs): The "Guardians" of Electrical Circuit Safety

    In low-voltage power distribution systems, there is a key device quietly safeguarding circuit safety — the Molded Case Circuit Breaker (MCCB). Unlike large motors that operate with a roar or precision instruments that attract attention, the MCCB has become an indispensable "safety guardian" in scenarios such as industrial production, building electrical systems, and new energy applications, thanks to its strong protection capabilities and wide adaptability. Today, we will explore this device from multiple dimensions to uncover the secrets of how it protects circuit safety.

  • China's PV & Energy Storage Conference Concludes: Technology Breakthroughs Fuel Global Cooperation

    Chengdu, China – Nov. 20 (Global Energy Watch) – The 8th China International PV and Energy Storage Industry Conference (CIPESIC 2025), a landmark event in the global renewable energy sector, wrapped up in Chengdu on Thursday. Under the theme "PV and Storage Shining Together, Innovating for the Future," the four-day conference brought over 5,000 enterprises from around the world, securing cooperation deals worth over 33 billion yuan (approximately $4.56 billion) and releasing industry guidelines that signal a new phase of high-quality development for the global PV industry.

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