IEC 60076, ANSI/IEEE Std C57.12, NEMA
ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA
Mineral Oil / Vegetable Oil (FR3), Free PCB
Seismic design, ETGI-1.020, IEEE Std 693, NCh2369
Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1
High altitude correction per IEC 60076 & IEEE C57.12, ~ 5000m
kVA: 10, 15, 25, 37.5, 50, 75, 100 and 167
HV ratings: 4160GrdY/2400 to 34500GrdY/19920
LV ratings: 240/120, 480/240 and 277
Secondary interrupter for fault and overload
Internal high-voltage expulsion fuse
External low-voltage surge arrester
Completely self protected (CSP)
Department of Energy (DOE)