Features Functions: The product case is made of flame retardant PC material, which is safer to use. The product is modular, and its use and maintenance are very simple. The product is made of precise electronic components with a longer service life and a more stable performance. Purple copper fittings, electrical conductivity is good. This product uses the 2P guide rail installation, the installation is very simple. Installation with standard 36mm guide rail and use with circuit breaker in the distribution box Specification: Material: PC flame protective cover. Uc: 1000 V. Type: # 1, 10/20KA; # 2, 20/40KA (optional). Rated discharge current: 10 KA (# 1), 20 KA (# 2). Maximum discharge current: 20KA (#1), 40KA (#2) Installation mode: 2P guide rail mounting. Residual voltage after discharge voltage: <3.0KV. Rated connectivity and segmentation capability: 1M Product dimensions: 90 x 49 x 36 mm / 3.5 x 1.9 x 1.4 inches. Weight: 260 g Package list: 1 x surge protection device. Note: Actual product colour may vary from the photo due to the light. There may be slight deviations in product measurement. Package List