| C57.12.23-1992 - IEEE Standard for Transformers--Underground-Type, Self-Cooled, Single-Phase Distribution Transformers with Separable, Insulated, High-Voltage Connectors; High Voltage (24 940 GrdY/14 400 V and Below) and Low-Voltage |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
1988-01-01 |
|
| C57.12.23-2002 - IEEE Standard for Underground Type, Self-Cooled, Single-Phase, Distribution Transformers with Separable Insulated High-Voltage Connectors; High Voltage 25000 V and Below; Low Voltage 600 V and Below; 167 kVA and Smaller |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2002-12-10 |
|
| C57.12.23-2009 - IEEE Standard for Submersible Single-Phase Transformers: 167 kVA and Smaller; High Voltage 25 000 V and Below; Low Voltage 600 V and Below |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2009-05-08 |
|
| C57.12.23-2009 - IEEE Standard for Submersible Single-Phase Transformers: 167 kVA and Smaller; High Voltage 25 000 V and Below; Low Voltage 600 V and Below - Redline |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2012-02-24 |
|
| C57.12.23-2018 - IEEE Standard for Submersible Single-Phase Transformers:250 kVA and Smaller; High Voltage 34 500 GrdY/19 920 V and Below; Low Voltage 600 V and Below |
IEL Online |
IEEE |
Components, Circuits, Devices and Systems |
2019-08-20 |
|
| C57.12.23-2018 - IEEE Standard for Submersible Single-Phase Transformers:250 kVA and Smaller; High Voltage 34 500 GrdY/19 920 V and Below; Low Voltage 600 V and Below - Redline |
IEL Online |
IEEE |
Components, Circuits, Devices and Systems |
2019-10-11 |
|
| C57.12.24-1994 - American National Standard for Transformers-- Underground-Type Three-Phase Distribution Transformers, 2500 kVA and Smaller, High Voltage, 34 500 GrdY/19 920 Volts and Below, Low Voltage, 480 Volts and Below - Requirements |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2005-01-31 |
|
| C57.12.24-2000 - American National Standard for Transformers-- Underground-Type Three-Phase Distribution Transformers 2500 kVA and Smaller; High Voltage: 34,500 GrdY/29 920 Volts and Below; Low Voltage: 480 Volts and Below--Requirements |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2006-11-20 |
|
| C57.12.24-2009 - IEEE Standard for Submersible, Three-Phase Transformers, 3750 kVA and Smaller: High Voltage, 34 500 GrdY/19 920 Volts and Below; Low Voltage, 600 Volts and Below |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2009-08-18 |
|
| C57.12.24-2016 - IEEE Standard for Submersible, Three-Phase Transformers, 3750 kVA and Smaller: High Voltage, 34 500 GrdY/19 920 Volts and Below; Low Voltage, 600 Volts and Below |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2017-02-01 |
|
| C57.12.24-2016 - IEEE Standard for Submersible, Three-Phase Transformers, 3750 kVA and Smaller: High Voltage, 34 500 GrdY/19 920 Volts and Below; Low Voltage, 600 Volts and Below - Redline |
IEL Online |
IEEE |
Components, Circuits, Devices and Systems |
2017-10-26 |
|
| C57.12.24-2023 - IEEE Standard for Submersible, Three-Phase Transformers, 3750 kVA and Smaller: High Voltage, 34 500 GrdY/19 920 V and Below; Low Voltage, 600 V and Below |
IEL Online |
IEEE |
Components, Circuits, Devices and Systems |
2024-02-07 |
|
| C57.12.25-1990 - American National Standard for Transformers - Pad-Mounted, Compartmental-Type, Self-Cooled, Single-Phase Distribution Transformers With Separable Insulated High-Voltage Connectors; High Voltage |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
1988-01-01 |
|
| C57.12.25-1990 - American National Standard for Transformers--Pad-Mounted, Compartmental-Type, Self-Cooled, Single-Phase Distribution Transformers with Separable Insulated High-Voltage Connectors: High Voltage |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2014-09-25 |
|
| C57.12.26-1987 - American National Standard for Transformers- Pad-Mounted Compartmental -Type, Self-Cooled, Three-Phase Distribution Transformers for Use With Separable Insulated High-Voltage Connectors, High-Voltage |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2002-12-10 |
|
| C57.12.26-1992 - IEEE Standard for Pad-Mounted, Compartmental-Type, Self-Cooled, Three-Phase Distribution Transformers for Use with Separable Insulated High-Voltage Connectors (34 500 GrdY/19 920 Volts and Below, 2500 kVA and Smaller) |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
1988-01-01 |
|
| C57.12.28-1999 - American National Standard Pad-Mounted Equipment - Enclosure Integrity |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2004-01-07 |
|
| C57.12.28-2005 - IEEE Standard for Pad-Mounted Equipment - Enclosure Integrity |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2005-10-17 |
|
| C57.12.28-2014 - IEEE Standard for Pad-Mounted Equipment--Enclosure Integrity |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2014-07-14 |
|
| C57.12.28-2023 - IEEE Standard for Pad-Mounted Equipment--Enclosure Integrity |
IEL Online |
IEEE |
Power, Energy and Industry Applications |
2024-05-15 |
|
