Product Description Material: PC flame retardant shell Uc: 1000V Type: 1, 10 / 20KA; 2, 20 / 40KA (optional) Nominal discharge current: 10KA (No.1), 20KA (No.2) Maximum discharge current: 20KA ( 1), 40KA ( 2) Installation mode: 2P Guide rail mounting 1. FIRE RETARDANT MATERIAL The casing of the protective device is made of PC flame retardant material, which is safer to use. 2. MODULAR DESIGN The surge protection device adopts modular design, and its operation and maintenance is very simple. 3. PRECISION PARTS The product is made of precise electronic components, with longer life and more stable performance. Purple copper fittings, electrical conductivity is good. 4. EASY INSTALLATION This product adopts 2P guide rail installation, the installation is very simple. 5. INSTALLATION MODE Installation with standard 36MM guide rail and use with circuit breaker in a distribution box