Standard for Overhead Type Distribution Transformers@ 500 kVA and Smaller: High Voltage@ 34500 Volts and Below; Low Voltage@ 7970/13800Y Volts and Below
This standard covers certain electrical@ dimensional@ and mechanical characteristics and safety features of single- and three-phase@ 60 Hz@ mineral-oil-immersed@ self-cooled@ overhead-type distribution transformers 500 kVA and smaller@ high voltages 34 500 V and below and low voltages 7970/13 800Y V and below.