Features The outer shell of the surge protector is made of PC fireproof material, which has a fireproof function and is safer to use. The modular design of this surge protection device is easy to use and maintain and is a must-have for home security. The lightning arrester is made of precision electronic components and has a longer service life.Copper fittings have good electrical conductivity and stable performance. This product is designed with 2P rails and is very easy to install. Must be mounted with standard 36mm rails and used with circuit breakers in the distribution box. Features: The outer shell of the surge protector is made of fireproof PC material, which has a fireproof function and is safer to use. The modular design of this surge protection device is easy to use and maintain and is a must for home safety. The lightning rod is manufactured with precision electronic components and has a longer service life.The copper fittings have good electrical conductivity and stable performance. This product is designed with 2P rails and is very easy to install. It should be mounted with standard 36mm rails and used with circuit breakers in the distribution box. Specification: Material: PC fireproof housing Uc: 1000V Type: # 1, 10 / 20KA;# 2, 20 / 40KA (Optional) Rated discharge current: 10KA (#1), 20KA (#2) Maximum discharge current: 20KA (#1), 40KA (#2) Installation Mode: 2P Guide Rail Mount Residual voltage after discharge voltage: <;3.0KV Rated Connectivity and Segmentation Capability: 1M Product Dimension: 90 x 49 x 36 mm / 3.5 x 1.9 x 1.4in Weight: 260 g / 9.2 oz Package List: 1 * Surge Protection Device Note: The actual color of the product may differ from the photo due to the light. There may be slight deviation in product measurement. Package List