About this item Advanced Protection: This 2P house protective device is designed to offer robust C and D level protection. It effectively serves as an equipotential connection during strikes, quickly responding to voltage surges and safeguarding both your household appliances and your safety from electrical hazards. Fireproof and Safe Material: Built with a flame retardant PC shell, this arrester device prioritizes safety with fire-resistant properties. You can have peace of mind knowing that this robust construction not only protects against surges but also minimizes fire risks, ensuring a safer environment for you and your family. Efficient Installation Process: The guide rail installation feature makes setting up the protector a simple and straightforward process. With its removable assembly, you can easily plug and unplug the device, allowing for hassle-free maintenance and adjustments without the need for extensive rewiring. Stable and Reliable Performance: This protective device