IEEE Standard for Network, Three-Phase Transformers, 2500 kVA and Smaller; High Voltage, 34 500 V and Below; Low Voltage, 600 V and Below; Subway and Vault Types (Liquid Immersed)
NORMA vydaná dňa 31.8.2017
Designation standards: IEEE C57.12.40-2017
Note: NEPLATNÁ
Publication date standards: 31.8.2017
The number of pages: 37
Approximate weight : 111 g (0.24 lbs)
Country: International technical standard
Kategória: Technické normy IEEE