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We've been ready to share our knowledge of internet marketing worldwide and recommend you suitable products at most competitive price ranges. So Profi Tools give you best value of money and we've been ready to create with each other with External Circuit Breaker, Electronic Circuit Breaker, ECBs, Motorized Circuit Breaker, Motor-Operated Circuit Breakers, By 10 years effort, we attract consumers by aggressive cost and exceptional service. Moreover, it really is our sincere and sincerity, which assistance us always be clients' first choice.
External Circuit Breaker, Our continual availability of high grade products in combination with our excellent pre-sale and after-sales service ensures strong competitiveness in an increasingly globalized market. welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!

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  • SPD Surge Protective Device

    SPD Surge Protective Device

    XUCKY SPD Surge protective Device, B, C, D series large current modular SPD Surge protective Device is used for power supply systems of AC 50/60Hz, the TT, IT, TN-S, TN-C, TN-C-S of rated voltage 380V and below, to protect the power grid caused by lightning or surge overvoltage. The design is based on the IEC61643-1, it can discharge the 100kA lightning current, case is installed on 35mm electric rail, the detachment device automatically will be out of its power grid, meanwhile the status indicator turns from green to red. SPD Surge protective Device has protection modes of common mode (MC) and differential mode (MD).
  • ALF-63 Series Miniature Circuit Breaker

    ALF-63 Series Miniature Circuit Breaker

    As the professional manufacture, XUCKY would like to provide you ALF-63 series miniature circuit breaker(MCB), conforms to IEC60898 standard, MCB has the characteristic of reliable performance, precise protective function, short release time ,and high break capacity, small volume as well, It widely used in and overload of contactor ,switchgear and electric apparatus.
  • Q2 Automatic Transfer Switch

    Q2 Automatic Transfer Switch

    Q2 Automatic Transfer Switch (hereinafter referred to as ATS switch, also known as home transfer switch) for dual power supply system of AC 50Hz, rated voltage of 380V, rated current of 63A~630A, use automatic or manual operation modes to switch between the common power supply and standby power supply. The home transfer switch is mainly used for hospitals, shops, banks, chemical industry, metallurgy, high-rise buildings, military facilities and other important occasions.
  • DC MCCB for PV

    DC MCCB for PV

    XUCKY M3DC series DC MCCB for PV is a safety device specifically designed for photovoltaic (PV) systems to protect circuits from over current and short-circuit conditions, is suitable for DC grid circuit with rated voltage up to DC1500V and rated current of 800A, used to distribute electric energy and protect circuit and the power supply equipment is protected from the danger of overload, short circuit, etc.
  • FN5-12 Series Indoor High Voltage Air Load Break Switch

    FN5-12 Series Indoor High Voltage Air Load Break Switch

    Support customized mass production FN5-12 series indoor high voltage air load break switch (Hereinafter referred to as load break switch) applies to AC 50Hz 12kV network, for breaking load current and closing short circuit current. Load break switch with fuse can cut off short circuit current for switch protection. The load break switch can be used with CS6-1 type manual operating mechanism, and this product special uses CS manual operating mechanism.
  • AFDD

    AFDD

    The AFDD fault arc protector, hereinafter referred to as the protector, effectively detects the fault arc in the access line, including the fault parallel arc and the fault series arc. When it detects that there is a fault arc that causes a fire in the line, the outlet power-off function can be carried out to achieve the purpose of warning of the occurrence of a fire.

  • How Does a Surge Arrester Differ from a Lightning Arrester

    If you’ve ever wondered how to protect your valuable electrical equipment from damaging voltage spikes, you’re not alone. A common point of confusion for many facility managers and project engineers is understanding the distinct roles of a surge arrester and a lightning arrester. At XUCKY, we specialize in advanced protection solutions and hear this question frequently. Both devices are crucial for safety, but they are engineered for different primary threats. Let’s clarify this technical distinction, which is fundamental to designing an effective protection system for any installation.

  • Understanding ECBs (External circuit breaker): Essential Components for Safe Electrical Distribution and meter box

    The role of an Electronically Controlled Breaker (ECB) is pivotal in modern electrical distribution systems, particularly within meter boxes. This article delves into the specifics of ECBs, their installation requirements, and operational features.

  • On What Devices are GV2 Motor Circuit Breaker MPCB Applied What Functions can be Achieved？

    The GV2 Motor Circuit Breaker MPCB mainly serves the power supply safety of various drive equipment in industrial sites. The device effectively prevents the risk of damage to the motor due to overload or failure during operation by intelligently monitoring abnormal current changes, providing core protection for the continuous and stable operation of the production line

  • What Is a JDZX11 Type Voltage Transformer and Why Is It Important?

    The JDZX11 Type Voltage Transformer plays a vital role in modern electrical systems by ensuring safe and accurate voltage measurement and protection.

  • Does REACH Testing Include RoHS Testing?

    Customers who sell products to Europe and engage in cross - border e - commerce in Europe often ask: If my product has passed REACH testing, does it still need to pass RoHS testing? What are the differences between them?

  • XUCKY Company Sees Success at the 136th Canton Fair

    The 136th China Import and Export Fair, also known as the Canton Fair, has come to a close, and XUCKY Company is celebrating a successful participation. The event, which drew exhibitors and visitors from around the world, provided XUCKY with a valuable platform to showcase its innovative products and connect with potential customers.

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