IEEE Std C57.12.40-2000
American National Standard for Secondary Network Transformers Subway and Vault Types (Liquid Immersed)-Requirements

Standard No.

IEEE Std C57.12.40-2000

Published By

Institute of Electrical and Electronics Engineers (IEEE)

Status

Be replaced

Replace By

IEEE Std C57.12.40-2006

Latest

IEEE Std C57.12.40-2017

IEEE Std C57.12.40-2000 history

• 2017 IEEE Std C57.12.40-2017 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)
• 2011 IEEE Std C57.12.40-2011 Network, Three-Phase Transformers, 2500 kVA and Smaller; High Voltage, 34 500 GrdY/ 19 920 and Below; Low Voltage, 600 V and Below; Subway and Vault Types (Liquid Immersed)
• 2006 IEEE Std C57.12.40-2006 Secondary network transformers, subway and vault types (Liquid immersed)
• 1970 IEEE Std C57.12.40-2000 American National Standard for Secondary Network Transformers Subway and Vault Types (Liquid Immersed)-Requirements
• 1990 IEEE C57.12.40-1990 SECONDARY NETWORK TRANSFORMERS - SUBWAY AND VAULT TYPES (LIQUID IMMERSED) - REQUIREMENTS (Now Copyrighted by NEMA)
• 1982 IEEE C57.12.40-1982 REQUIREMENTS FOR SECONDARY NETWORK TRANSFORMERS@ SUBWAY AND VAULT TYPES (LIQUID IMMERSED)