NH fuse insert 3NA COM with measurement function and wireless communication, size 2, 315A, Un 400V, operating class gG without electronics module, live handle tubes, front indicator. The NH fuse insert SENTRON 3NA3 offers selective protection for cables and systems. The NH fuse system ensures effective protection for people, devices, and installations by safely disconnecting in case of overload and short circuit. The 3NA COM fuses enable high network transparency through current measurement and wireless communication, making them ideal for the digitalization of power grids. The standardized design allows for easy and cost-effective retrofitting in existing systems. The NH fuse inserts are available from 2 A to 1250 A and in sizes 000, 00, 0, 1, 2, 3, 4, and 4a. The variants with communication and measurement functions in size 2 range from 80 A to 315 A. SENTRON protective circuit breakers - a safe choice. Now even smarter.