• IEEE C57.12.20-2011

IEEE C57.12.20-2011

  • IEEE Standard for Overhead-Type Distribution Transformers 500 kVA and Smaller: High Voltage, 34 500 V and Below; Low Voltage, 79
  • standard by IEEE, 09/20/2011
  • Category: IEEE

$93.00 $47.00

Revision Standard - Superseded.Certain electrical, dimensional, and mechanical characteristics and safety features of single- and three-phase, 60 Hz, mineral-oil-immersed, self-cooled,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 are covered in this standard.
PDF

All of our standards document are available in PDF (Portable Document Format), an electronic, downloadable format.You will be able to download the file in your account downloads.

Multi-User Access

After purchasing, you have the ability to assign each license to a specific user.

Printable

At any time, you are permitted to make printed copies for your and your members' reference use.

NAS 1703 THRU 1710 Rev. 10

NAS 1703 THRU 1710 Rev. 10

Bolt, 100 degrees, Flush Head, .0156 Oversize, Alloy Steel, 160,000 Psi..

$27.00 $53.00

NAS 1730 Rev. 3

NAS 1730 Rev. 3

Fastener, Taper Shank..

$34.00 $67.00

NAS 1793 Rev. 2

NAS 1793 Rev. 2

Nut, Self-Locking, Plate, Corner, Floating, Variable Counterbore, Replaceable Nut Element, 125Ksi Ft..

$90.00 $179.00

NAS 1795 Rev. 3

NAS 1795 Rev. 3

Retaining Clip, Replaceable Nut Plate..

$94.00 $188.00