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molded case circuit breaker diagram, All the imported machines effectively control and guarantee the machining precision for the products. Besides, we have a group of high-quality management personnels and professionals, who make the high-quality products and have the ability to develop new products to expand our market home and abroad. We sincerely expect customers come for a blooming business for both of us.

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  • 1 In 1 Out 1000V DC with Disconnect Switch

    1 In 1 Out 1000V DC with Disconnect Switch

    The Markjapy 1 In 1 Out 1000V DC with Disconnect Switch is a power distribution device designed for high voltage photovoltaic systems, supporting one input and one output. Equipped with fuses, surge protection devices, disconnect switches and PV connectors, the distribution box provides comprehensive protection and power management for high voltage environments. Its high voltage resistance and compact design make it ideal for large scale PV power plants and commercial solar projects, ensuring safe and efficient system operation and improving power generation efficiency.
  • 3P 20-40kA 1000V T2 DC SPD

    3P 20-40kA 1000V T2 DC SPD

    Markjapy 3P 20-40kA 1000V T2 DC SPD, with type 2 lightning protection characteristics, obtain CE certificate, use MOV process and support surge suppression module replacement, effectively ensure the safe operation of DC system.
  • 2P 20-40kA 600V T2 White DC SPD

    2P 20-40kA 600V T2 White DC SPD

    The Markjapy 2P 20-40kA 600V T2 White DC SPD is an affordable electrical protection device, with category 1 surge protection capability, and an all white appearance with a replaceable surge suppression module, to provide basic and reliable lightning protection for 600V DC systems to meet the needs of cost sensitive users.
  • 4P 6-63A 1200V DC Circuit Breaker

    4P 6-63A 1200V DC Circuit Breaker

    Markjapy 4P 6-63A 1200V DC Circuit Breaker are mainly used in DC power supply systems, especially those with high voltage requirements and need multi-pole circuit protection at the same time. This circuit breaker can accurately detect and quickly cut off overload, short circuit and other fault circuits in the complex DC circuit environment, to ensure the stable operation of various types of DC electrical equipment.
  • 2 In 1 Out 600V Solar Distribution Box

    2 In 1 Out 600V Solar Distribution Box

    Markjapy 2 In 1 Out 600V Solar Distribution Box stand out for their unique component customization service, which allows users to choose and customize the internal electrical components according to the specific application scenarios and individual requirements, while meeting the needs of 600V voltage power distribution.
  • 13 Way Waterproof Box

    13 Way Waterproof Box

    The Markjapy 13 way waterproof box features an IP65 protection level. The newly added lock ensures safety, while the price remains at the original level. The interior can be configured with commonly used components, and the lid is made of polycarbonate material, facilitating the inspection of the internal situation.
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  • Focus on Thailand Exhibition, Explore the New Future of Energy

    From March 5 to 7, 2025, at Booth B09 of IMPACT Exhibition Center in Bangkok, Markjapy will bring its core products, such as solar power shutdown equipment and low voltage components, to the “ASEAN Energy Storage & Smart Energy Expo”.

  • Meet at the Exhibition in the Shanghai on June 11th

    Dear old customers, thank you for your company all the way! If you have visited Markjapy Company and placed an order, during the exhibition from June 11th to 13th, you can get a free handheld small fan when you come to the site! Cool and refreshing with you, accompanying you to enjoy a relaxing exhibition tour ~

  • She Who Cannot Be Defined

    We come from different industries and have different identities, but we all possess the same tenacious spirit and the courage to pursue dreams. We shine and contribute in our respective fields, breaking conventions and creating miracles

  • Congratulations to Markjapy for Obtaining UL3741 Certificate

    Against the backdrop of global PV installed capacity exceeding 2TW, safety has become a core pain point restricting the development of the industry. Leakage and fire risks of traditional PV systems have not been effectively solved for a long time, and the mandatory implementation of regulations such as NEC 2017 in the U.S. has made module level fast shutdown technology a new rigid need in the industry. 2025, Markjapy successfully passed UL3741 certification with its technological breakthrough.

  • What Can a Surge Arrester Do That a Circuit Breaker Can't?

    Modern power systems are threatened by transient voltage surges. These short, high amplitude voltage pulses, usually lasting from nanoseconds to milliseconds, caused by lightning strikes, grid fluctuations or the switching of industrial equipment, can silently destroy precision electronic devices ranging from laptops to photovoltaic inverters. Although circuit breakers are crucial for preventing overloads and short circuits, they are powerless against microsecond-level surges that bypass their mechanical tripping mechanisms. This article will delve into the functions that lightning arresters can perform but circuit breakers cannot, as well as why both are indispensable in electrical protection.

  • The May Day Holiday is Approaching

    Dear business partners: When wisteria flowers meet four leaf clovers, China is about to welcome the May Day International Workers' Day. According to the holiday arrangement of The General Office of the State Council of China, Markjapy will enter the holiday mode from May 1st to May 4th and resume normal work from April 26th to 27th.

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