Meets 18th Edition IET Wiring Regulations Amendment 2 requirements - Transient Overvoltage Protection - 443.4.1 SPDs In All Installations Overvoltage protection devices (SPDs) are now required in all installations however, in some cases the owner can opt out and accept all risks from such overvoltage's. The CED Axiom Double Pole 1 MOD S/P DEICE SPD 40KA 1P+N+PE is designed to give protection for fatal electric surge by reducing to “safe” levels the value. It also protect household and commercial distribution systems. This units disconnects both line and neutral going feeds on trip with 30mA tripping current. Single module deice not only saes space but also simplifies the installation process. Single module - No backup MCB required Busbar connected, DIN rail mount 275AC max. continuous, 100A rated Type 2, Single phase, double pole, suitable for TN-S, TN-C-S and TT Earthing Status indication and volt free contact for remote monitoring BS EN 61643-11 compliant