ANSI C57.12.50-1981 Ventilated Dry-Type Distribution Transformers, 1 to 500 kVA, Single-Phase and 15 to 500 kVA, Three-Phase, with High-Voltage 601 to 34 500 Volts, Low-Voltage 120 to 600 Volts, Requirements for; Correction June 1982
This standard is intended to set forth characteristics relating to performance, limited electrical and mechanical interchangeability, and saftey of the equipment described, and to assist in the proper selection of such equipment.
ANSI C57.12.50-1981 history
1981ANSI C57.12.50-1981 Ventilated Dry-Type Distribution Transformers, 1 to 500 kVA, Single-Phase and 15 to 500 kVA, Three-Phase, with High-Voltage 601 to 34 500 Volts, Low-Voltage 120 to 600 Volts, Requirements for; Correction June 1982