Features 【 High Quality Material 】- The 2P 40KA lightning arrester is made of high-quality plastic box metal material, which is corrosion-resistant, rust proof, safe and durable, and has a long service life. 【 Protection Scope 】- It is installed on low-voltage power lines and used for primary, secondary and tertiary lightning protection and surge protection. 【 Easy Installation 】 - This lightning arrester is made of high-quality materials, with a long service life, stable performance, and easy installation 【 Specification 】- Rated voltage: 220V; Dimensions: 9 x 6 cm/3.54 x 2.36 inches; Extreme: 2; UC:~420 volts; Upstream<2.0kV. 【Satisfaction Guarantee】 - We care about the feelings of every customer. If there are any issues with this product, please feel free to contact us. Features:100% brand new and high qualityThis house surge protective device is only suitable for DC 420V 40KA This arrester device is made of high quality material, with long serving life Application: Protect electric system and on-loading electrical apparatus from thunder and instantaneous over-voltageIt has the characteristic of stable performance, and easy to install Specifications:Rated voltage: 220v Model: 2p 40kA Uc: ~ 420 vUP&lt;2.0KVNumber&nbsp;of&nbsp;poles:&nbsp;2Size: 9 x 4cm / 3.54 x 1.57inWeight: 225g Package included:1 x &nbsp;Arrester Device Package List 1 x Arrester Device