Features High-Quality Construction: Crafted from premium materials, this device ensures durability and a long service life for reliable protection against electrical surges Effective Surge Protection: Safeguards your electrical system and devices from thunder and instantaneous over-voltage, preventing costly damage and downtime Easy Installation: Designed for straightforward setup, you can quickly integrate this device into your existing electrical system without hassle Features: 1、 and 2、This House Surge Protective Device is only suitable for DC 420V 40KA 3、This Arrester Device is made of material,with long serving life 4、Application: Protect electric system and on‑loading electrical apparatus from thunder and instantaneous over‑voltage 5、It has the characteristic of stable performance, and easy to install Specification: Features: and This house surge protective device is only suitable for DC 420V 40KA This arrester device is made of material, with long serving life Application: Protect electric system and on-loading electrical apparatus from thunder and instantaneous over-voltage It has the characteristic of stable performance, and easy to install Specification: Rated voltage: 220v Model: 2p 40kA Uc: ~ 420 v UPbetween2.0KV Number of poles: 2 Size: 9 x 4cm / 3.54 x 1.57in Weight: 225g Package included: 1 x Arrester Device Package List: 1 x Arrester Device Package List 1 x Arrester Device