Surge arrester, type I+II, 275 V AC, 12.5 kA, replaceable fuse element, 3+N-pole.

The 103340 surge arrester by Noark is designed to protect electrical systems from direct, low-intensity lightning strikes. It is a Class 1+2 device, compliant with the requirements for Lightning Protection Zones LPL III and IV according to EN 62305. This arrester is suitable for a 3-phase TN-C network and can manage a total surge current of 37.5 kA, with potential surges reaching 75 or 100 kA based on factors such as configuration, point grounding location, and lightning protection system grounding. The EX9UE1+2 12.5 surge arrester features a modular design and includes varistor elements for a rapid response, meeting both Class I and II protection standards. The unit is rated for 275 V AC and can endure surge currents up to 12.5 kA. It offers a replaceable fuse element for fast and easy replacement of functional modules if damaged by frequent overvoltage peaks. The product has a 3+N-pole configuration and its identifier is 8592765033413.