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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.
  • Padlock Cam Switch

    Padlock Cam Switch

    Padlock Cam Switches are used for management and control of power systems and equipment, as well as power regulation and protection. CNLonQcom is a professional factory in China manufacturing Padlock Cam Switches. They are available in five rated currents: 20A, 25A, 32A, 40A, and 63A.
  • LMC4-BD Solar connector 1000V

    LMC4-BD Solar connector 1000V

    CNLonQcom is a Chinese factory specializing in the wholesale production of LMC4-BD Solar connector 1000V. LMC4-BD solar connectors are primarily used for interconnecting solar cell strings, offering excellent electrical and mechanical performance. They are designed for voltage ratings of 1000V, with available current ratings of 30A, 45A.
  • Disconnect Switch Power Distribution Module 2P/4P

    Disconnect Switch Power Distribution Module 2P/4P

    CNLonQcom Disconnect Switch Power Distribution Module 2P/4P Built-in Module DC1500V 40A 2P/4P, DC Overload Protection and Short Circuit Protection
    Rated voltage: DC1500V
    Rated current: 40A
    Protection level:IP20
    Shell material: PA
    Conductor material: copper
    Poles:4 poles
    Certificate: CE, TUV, CB, AZ, UKCA, ROHS, ISO9001
  • DC1000V Fuse 10x38mm

    DC1000V Fuse 10x38mm

    CNLonQcom DC1000V Fuse 10x38mm For Fuse Holder Replacement
    ●Rated voltage: DC1000V
    ●Rated current: 6/10/15/20/25/30A
    ●Fuse Size: 10x38nn
    ●Certificate: CE, 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
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    The lightning protection system combines basic components such as air terminals, appropriate down conductors, equipotential bonding of all current carrying components, and appropriate grounding principles to provide a roof that prevents direct impact.

  • Wenzhou Longqi New Energy Technology Co., Ltd. Emphasizes the Crucial Role of DC Combiner Boxes in Solar Photovoltaic Systems

    As a crucial component of solar PV systems, the DC combiner box is responsible for collecting the output currents from multiple solar panels, consolidating them, and then uniformly transmitting them to the inverter. This not only simplifies the wiring but also significantly reduces the maintenance complexity and costs of the system. Additionally, these combiner boxes are equipped with circuit breakers and surge protection functions, further enhancing the safety of the system. In the event of a failure or the need for maintenance, the combiner box can quickly disconnect the connection between the solar panels and the rest of the system, protecting maintenance personnel from electric shock.

  • Surge Protection: The Critical Line of Defense for Electrical Safety

    In modern electrical systems, surge protection has become an indispensable safety measure. Whether in residential power supply, industrial production, or photovoltaic power generation systems, instantaneous voltage fluctuations can lead to severe consequences. This article systematically introduces the principles, applications, and selection criteria of surge protection to help readers gain a comprehensive understanding of this vital electrical safety technology.

  • The Essential Guide to Photovoltaic Solar Isolator Switches: Ensuring Safety and Efficiency in Solar Power Systems Introduction

    As solar energy continues to gain popularity worldwide, the importance of safety and efficiency in photovoltaic (PV) systems cannot be overstated. One critical component that ensures both is the Photovoltaic Solar Isolator Switch (also known as a PV disconnect switch or DC isolator). This device plays a vital role in protecting technicians, maintaining system performance, and complying with electrical safety standards.

  • The Role of Fuses in Photovoltaic Systems and How to Choose the Right Ones

    In the rapidly evolving landscape of renewable energy, photovoltaic (PV) systems have emerged as a dominant force in harnessing the sun's power. As these systems become increasingly complex and widespread, the importance of reliable protection mechanisms cannot be overstated. Among these, fuses play a crucial yet often underappreciated role in safeguarding the integrity and safety of PV installations.

  • Sichuan Launches 1GW PV Project, Paving Way for High-Quality Development of Global Solar Industry

    On March 26, 2025, the 1GW (gigawatt) Xiangcheng Gongzha Photovoltaic Project in Ganzi Tibetan Autonomous Prefecture officially broke ground. As the largest single PV project invested by a Sichuan provincial state-owned enterprise, it not only marks a key milestone in the local new energy sector but also reflects the distinct trend of China’s national solar industry accelerating toward large-scale, intelligent, and high-efficiency development.

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