The product coating is made of PC fireproof material, which is safer to use. The product has a modular design, and its use and maintenance are very simple. The product is made of high-precision electronic components, with a longer lifespan and more stable operation. Purple copper fittings, electrical conductivity is good. This product adopts 2P guide rail installation, installation is very simple. Installation with standard 36MM guide rail and use with switch in distribution box Material: PC fireproof coating Uc: 1000V Type: 1, 10/20KA; 2, 20/40KA (optional) Nominal Discharge Current: 10KA (No. 1), 20KA (No. 2) Maximum Discharge Current: 20KA (No. 1), 40KA (No. 2) Installation mode: 2 P guide rail mounting Residual voltage after voltage discharge: andlt;3,0KV Rated connectivity and segmentation capacity: 1M Product Dimension: 90 x 49 x 36 mm / 3,5 x 1,9 x 1,4 inch Weight: 260g/9,2 oz List of packages: 1 x surge protection device;