Eaton Bussmann series medium auxiliary fuse, VT fuse-link, medium voltage, 2 A, AC 36 kV, 440 x 41.3mm, back-up, IEC, Protection of auxiliary transformers, 2 A, 40K A Breaking Cap, Inst Air, Back-up, IEC, AC, Class back-up, Bolt-on. 

 Medium-Voltage (MV) current-limiting fuse cartridge - E-Rated - Eaton / Cooper Bussmann (Fuse cartridges) - Rated current 2A - Rated voltage 36kVac / 36000Vac - Short circuit breaking rating 40kA (RMS symmetrical) - D1.6" x L17.3" / D41mm x L439mm