Eaton Bussmann series high speed square body fuse, 690V (IEC), 630A, 200 kAIC, Top fuse status indicator, Fuse, Blade end X blade end, Class aR, DIN 43 620
Bussmann Fuse, Semiconductor Fuse, Time Delay Fuse, High Speed Fuse, Class J Fuse, Class T Fuse, Class cc fuse, Class RK1 Fuse, Class RK5 Fuse, Class L Fuse, DC Contactor, Disconnect Switch, Car Fuse, Current Limiting Fuse, HV Fuse, Bussmann Fuse Holder, AC Fuse, DC Fuse
You can ask any Bussmann fuse and fuse cross reference(Littelfuse, Mersen, etc).