Features The outer casing of the surge protective is made of PC flame retardant material, which has fireproof function and is safer to use. The modular design of this surge protective device is easy to use and maintain and is a must-have for home safety. The lightning arrester 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 needs to be mounted using standard 36MM rails and used with circuit breakers in the distribution box. Features: The outer casing of the surge protective is made of PC flame retardant material, which has fireproof function and is safer to use. The modular design of this surge protective device is easy to use and maintain and is a must-have for home safety. The lightning arrester 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 needs to be mounted using standard 36MM rails and used with circuit breakers in the distribution box. Specification: Material: PC flame retardant shell Uc: 1000V Type: #1, 10/20KA; #2, 20/40KA(Optional) Nominal discharge current: 10KA(#1),20KA(#2) Maximum discharge current: 20KA(#1), 40KA(#2) Installation mode: 2P Guide rail mounting Residual voltage after unloading voltage: <;3.0KV Rated connectivity and segmentation Ability: 1M Product dimension: 90*49*36mm / 3.5*1.9*1.4in Weight: 260g/9.2oz Package List: 1 * Surge Protective Device Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product. Package List