IEEE C57.12.25-1990
IEEE C57.12.25-1990
Requirements for Pad-Mounted Compartmental-Type Self-Cooled Single-Phase Distribution Transformers with Separable Insulated High-Voltage Connectors, High-Voltage, 34 500 Grd Y/19 920 Volts and Below; Low Voltage, 240/120; 167 kVA and Smallerstandard by IEEE, 01/01/1990