ABB SPD 40K Surge Protection Device – 400V AC, Class II

The ABB SPD 40K is a high-performance Surge Protection Device (SPD) designed to protect your electrical infrastructure. It provides reliable defense against transient overvoltages caused by lightning or switching events, ensuring the longevity of your equipment. This Class II arrester operates at a nominal 400V AC and features a powerful 20 kA maximum discharge current. Its dual-level voltage protection, with 1.8 kV (L-N) and 3.8 kV (N-PE), guarantees comprehensive safety. The compact design and DIN-Rail mounting make installation straightforward, while the visual status indicator allows for quick checks. With its robust performance and compliance with IEC/EN 61643-11 standards, the ABB SPD 40K is the ideal choice for residential, commercial, and industrial applications.