Littelfuse, Inc. 680V Circuit Protection Fuse V421HA40

420VAC MOV 680V 40kA 600J Disc Varistor Product overview: V421HA40 from Littelfuse is a Circuit Protection Fuse for overcurrent protection, power input protection, equipment safety, automotive electronics, and industrial control panels. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 680V. Search-friendly keywords include fuse, circuit protection, overcurrent protection, equipment safety, 680V, Circuit Protection Fuse, Unclassified. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 48-V421HA40 can be used for catalog matching and distributor lookup.