Features 【Material】 The product shell is made of PC flame retardant material, which is safer to use. The product is made of precise electronic components, with longer service life and more stable performance. 【Design】 The product adopts a modular design, and it is very simple to use and maintain. 【Packing Size】1 * Surge Protective Device 【Easy to use】This product adopts 2P guide rail installation, installation is very simple. Installation with standard 36MM guide rail and use with circuit breaker in distribution box 【100% MONEY BACK GUARANTEE】 If you are not satisfied with our products and services, let us know and you will receive a full refund or replacement. Take advantage of this absolutely FREE purchase by clicking the yellow Add to Cart button. Features: The product shell is made of PC flame retardant material, which is safer to use. The product adopts a modular design, and its operation and maintenance are very simple. The product is made of precise electronic components, with longer service life and more stable performance. Violet copper fittings, electrical conductivity is good. This product adopts 2P guide rail installation, installation is very simple. Installation with standard 36 mm guide rail and use with circuit breaker in distribution box Specification: Material: Fireproof PC Shell Uc: 1000V Type: #1, 10/20KA; #2, 20/40KA (optional) Rated discharge current: 10KA(#1),20KA(#2) Maximum discharge current: 20KA(#1), 40KA(#2) Installation mode: 2P guide rail mounting Residual voltage after discharge voltage: Package List