The Littelfuse SPDN-D120-1P is a high-performance surge protection device designed to safeguard your industrial equipment from voltage spikes and electrical surges. Engineered to meet NEMA standards, this robust device offers reliable protection with a maximum surge current rating of 50kA. Specifically designed for single-phase 120V systems, the SPDN-D120-1P is ideal for industrial applications where consistent performance and safety are paramount. Featuring a Normally Closed (NC) configuration, it ensures continuity and operational integrity, playing a crucial role in maintaining the longevity and reliability of your industrial equipment. Trust Littelfuse for cutting-edge surge protection solutions that enhance the safety and efficiency of your operations.