Features 【High Quality Materials】: The product shell is made of PC flame-retardant material, which is safer to use. 【Ingenious Design】: The product adopts modular design, which is very simple to use and maintain. 【High Performance】: The product adopts precision electronic components, with longer service life and more stable performance. 【High Conductivity】: The surge protector has built-in copper fittings, which have good conductivity. Suitable for protecting household circuits against lightning. 【Easy Installation】: Use standard 36MM guide rail to install, and use it in the distribution box with the circuit breaker. Features: 1.The product shell is made of PC flame-retardant material, which is safer to use. 2.The product adopts modular design, which is very simple to use and maintain. 3.The product adopts precision electronic components, with longer service life and more stable performance. 4.The surge protector has built-in copper fittings, which have good conductivity. Suitable for protecting household circuits against lightning. 5.Use standard 36MM guide rail to install, and use it in the distribution box with the circuit breaker. 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