Full Description

The reinstated and revised edition of NEMA ST 20 applies to single-phase and polyphase dry-type transformers (including autotransformers and non-current-limiting reactors) for supplying energy to power, heating, and lighting circuits and designed to be installed and used in accordance with the National Electrical Code. It covers transformers with and/or without accessories having ratings of 1.2 kV class, 0.25 kVA through 4000 kVA.

Product Details

Published: 2014 Number of Pages: 106File Size: 1 file , 2.3 MB Product Code(s): 100077, 100077