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  • 4P 80-125A 1000V DC Circuit Breaker

    4P 80-125A 1000V DC Circuit Breaker

    YRO 4P circuit breaker is a multi pole DC circuit protector, suitable for 1000V high voltage DC circuit, rated current 125A, with CE certificate, with visual window, can work stably in the temperature range of -20 ~ +70℃, to provide reliable protection for 4P 80-125A 1000V DC Circuit Breaker.
  • 4P 6-63A 1200V DC Circuit Breaker

    4P 6-63A 1200V DC Circuit Breaker

    YRO 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.
  • 4P 250-400A 1000V DC MCCB

    4P 250-400A 1000V DC MCCB

    YRO 4P 250-400A 1000V DC MCCB is an electrical protection equipment with high voltage and high current carrying capacity, in line with CE certification standards, rated impulse voltage up to 12kV, for the power system to provide reliable short circuit and overload protection, and can be selected according to demand alarm, suitable for a variety of complex industrial and commercial power scenarios.
  • 2P 20-40kA 600V T2 White DC SPD

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

    The YRO 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.
  • Copper 250A Fuse Link

    Copper 250A Fuse Link

    The YRO Copper 250A Fuse Link is based on copper, ceramic cladding is flame retardant and insulated, and works with NH1 fuses, in accordance with gG type operation to provide efficient and reliable protection for 250A rated current circuits.
  • YRO WiFi Over and Under Voltage Protector

    YRO WiFi Over and Under Voltage Protector

    The YRO WiFi over and under voltage protector is a smart home security device, used to protect household appliances from being damaged by excessively high or low voltages. It can be remotely controlled through a mobile phone APP and monitor the voltage situation in real time. If the voltage exceeds 300V or drops below 80V, it will automatically cut off the power to prevent the appliance from being "burned out" or "unable to operate", making it worry-free and safe to use.
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  • How Does a Disconnect Switch Prevent Backfeeding of Grid and Generator Power During Dual Power Switching?

    During the process of dual power supply switching, reverse power supply is a risk that requires special attention. If electrical energy flows in reverse from one power source to another, it will pose a threat to personnel safety, cause equipment failure and bring about compliance issues.

  • 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, YRO will enter the holiday mode from May 1st to May 4th and resume normal work from April 26th to 27th.

  • How to Judge Whether an Over-Voltage and Under-Voltage Protector Needs Replacement?

    As the usage time of overvoltage and undervoltage protectors increases, their performance gradually declines, thereby affecting the protection effect on electrical appliances. So how to determine whether the protector needs to be replaced? Below we will introduce several common situations to help you understand the signs that the protector may need to be replaced.

  • 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.

  • Congratulations to YRO 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, YRO successfully passed UL3741 certification with its technological breakthrough.

  • What Electrical Components Are Typically Included in a Distribution Box?

    As a vital part of today's power grid, distribution boxes perform two important jobs: delivering power to where it's needed and guarding against electrical hazards. You'll find them in factories, office buildings, and even homes, with circuit breakers, fuses, and other important components installed inside. These components work together like a well coordinated team to achieve the same goal. While maintaining a steady supply of electricity, they constantly monitor for faults and act quickly to stop potential problems before they cause real harm.

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