• IEC 60076-6, 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
• Earthing transformer creates a neutral point for a network
• Limit the line to earth current under system earth fault condition
• Z connection provides linear and specified zero sequence impedance