Eaton 50NHG00BI-690 is a size NH00 knife-blade fuse-link rated 50 A at AC 690 V with 120 kA breaking capacity, in gG/gL utilisation category per IEC 60269. A combination fuse status indicator gives immediate visual confirmation of fuse condition and insulated metal gripping lugs (IMGL) allow safer handling during replacement. It is intended for general line and cable protection in low-voltage switchboards. Supplied in packs of three; typical application is feeder protection in industrial and utility distribution assemblies.