Features 【Function】:The surge protector can protect the electrical system and loaded electrical devices from thunder and instantaneous surge voltage. 【Application】：The product has a modular design and is easy to use and maintain. Can be used to protect the power grid and electrical devices under load from thunderstorms and sudden surges. 【High Quality】:The house surge protector is made of high quality PC flame retardant material, safe to use and features stable performance. 【Easy to Use】:The surge protector is a removable component that is easy to plug and unplug. 【Satisfaction Guarantee】: We support our best service, high quality products. If you have any questions about our products, please do not hesitate to contact us. We will try our best to help you and reply within 24 hours. Characteristics: brand new and high quality This home surge protector is only for DC 420V 40KA suitable This arrester device is made of high quality material and has a long service life Application: Protect the electrical system and charging electrical devices from thunder and sudden surge voltage It features stable performance and easy installation Specifications: Rated voltage: 220V Model: 2p 40kA Uc: ~420V UP Package List 1 x Arrester Device