Surge Arrester, Type I+II, 275 V AC, 12.5 kA, Replaceable Fuse Element, 1+N-Pole

The Noark 103334 surge arrester is designed to protect electrical installations from direct, low-intensity lightning strikes. It serves as a combined Class 1+2 protection device, meeting the requirements for Lightning Protection Zones LPL III and IV according to EN 62305 standards. This surge arrester is ideal for use in a 3-phase TN-C network and can manage a total surge current of 37.5 kA within the electrical system. Surge levels can reach 75 or 100 kA depending on factors such as configuration, point grounding location, and the lightning protection system's grounding. Built with varistor elements, the EX9UE1+2 12.5 surge arrester features a modular design for quick response to electrical surges, complying with Class I and II protection standards. Its modular nature allows for easy and efficient replacement of its functional modules. If burnout occurs due to frequent surges, the replaceable fuse element enables quick maintenance without needing to replace the entire unit. This 1+N-pole surge arrester operates at 275 V AC and can handle surge currents up to 12.5 kA. The product's EAN is 8592765033352.