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We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for Waterproof Box,waterproof outdoor storage box​,waterproof outdoor electrical box,waterproof junction box,fire and waterproof safe box, Our aim is "blazing new ground, Passing Value", in the future, we sincerely invite you to grow up with us and make a bright future together!
Waterproof Box, Hard work to keep making progress, innovation in the industry, make every effort to first-class enterprise. We try our best to build the scientific management model, to learn abundant expert knowledge, to develop advanced production equipment and production process , to create the first-call quality merchandise, reasonable price , high quality of service , quick delivery , to present you create new value .

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  • 6 In 1 Out 550V DC ABS Distribution Box

    6 In 1 Out 550V DC ABS Distribution Box

    Markjapy 6 In 1 Out 550V DC ABS Distribution Box is designed for low voltage power distribution needs, suitable for the integrated management of multi circuit power input. Made of high quality materials, compact and easy to install, they are suitable for applications such as power distribution systems in shopping malls, power management for factory equipment, and power control in small data centers.Markjapy has more than 10 years of experience in manufacturing and sales, and supports ODM and OEM customization services to provide customers with reliable power distribution solutions.
  • 1P 80-125A 250V DC Circuit Breaker

    1P 80-125A 250V DC Circuit Breaker

    Markjapy 1P 80-125A 250V DC Circuit Breaker is a protection device suitable for single phase DC circuits. It has a rated current of 125A and a rated voltage of 250V. It possesses a CE certificate, with a wiring specification of up to 35 square millimeters and a mechanical life of 20,000 times, capable of providing reliable protection for single phase DC circuits.
  • 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.
  • 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.
  • 4P 125-250A 400V AC MCCB

    4P 125-250A 400V AC MCCB

    Markjapy 4P 125-250A 400V AC MCCB, with 400V rated voltage and 400A rated current, operating temperature range of -20 ℃ to + 70℃, in accordance with IEC 60947-2 standard, can effectively eliminate electricity safety hazards in life, for complex electricity scenarios to provide reliable power protection. Ensuring the safe and stable operation of power system is an important equipment for modern power distribution and protection.
  • 32A 1000V DC Fuse Holder Without Indicator Light

    32A 1000V DC Fuse Holder Without Indicator Light

    Markjapy 32A 1000V DC Fuse Holder Without Indicator Light, the peak voltage is 1000V, the base is not equipped with an indicator, holding the CE certification, the product dimensions are accurately marked, and the overload and short circuit protection function can be accurately and efficiently implemented in the DC circuit, effectively guaranteeing the safe and stable operation of the circuit system. Ensure continuity and reliability of power transmission
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  • Reviews

  • How to use Distribution Box?

    Distribution boxes are an essential component of an electrical system, and understanding how to use them properly is crucial for any DIY electrical project.

  • Welcome to Markjapy at the 2025 Yiwu Expo

    As spring warms and flowers bloom, it's the perfect time for the photovoltaic and energy storage industries to gather in Yiwu! Markjapy sincerely invites you to visit Yiwu International Expo Center from April 27th to 29th, 2025, at our booth E1-B11, to explore the innovative charm of new energy and low voltage electrical equipment together with us.

  • What is Fast Shutdown and How Does It Enhance Solar Power Safety and Efficiency?

    Fast Shutdown refers to a safety feature implemented in solar power systems that allows for the rapid deactivation of the system in the event of an emergency or when maintenance is required. This feature is especially important for photovoltaic (PV) systems, where solar panels generate electricity even when disconnected from the grid. Fast Shutdown ensures that all high-voltage components are quickly de-energized to protect both first responders and maintenance personnel from electrical hazards.

  • What Is a Lightning Arrester?

    As cities grow rapidly, the use of electrical devices has expanded significantly, but traditional safety measures often fall short of meeting the heightened protection demands. A concern is that, a direct lightning strike on a building or infrastructure can produce a sudden surge of high voltage, damaging electronic parts and circuits, causing equipment to fail, and leading to data loss.

  • 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.

  • Do Lightning Arrester Need to Be Grounded to Work?

    Surge protectors are an important line of defense against sudden voltage spikes, which may damage electrical and electronic equipment and even cause fires. However, many people who are not familiar with lightning arresters often have such a question: Does a lightning arrester need to be grounded to work properly? Next, we will explore the relationship between grounding and surge suppressor.

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