This unit process represents the production/service of 1P of power and distribution transformers, except electronic appliances transformers ,in Japan created from statistical information and other sources.
This is a 4 digit product classification process that mixes all the products and services included in this classification.
Standard / non-standard transformers for electricity distribution which have a capacity up to 500 KVA are classified as <271211>, those that have a capacity of more than 500KVA are classified as <271212>.