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Standard 1561, Edition 4

Standard for Dry-Type General Purpose and Power Transformers

UL CSDS Proposal
Standard 1561, Edition 4 Edition Date: March 20, 2015
Summary of Topics b1561_4_20150320_sum.html

Subject 1561

Bulletin Dated: March 20, 2015


The following changes in requirements to the Standard for Dry-Type General Purpose and Power Transformers, UL 1561, are being proposed:

1. Addition of Overload Test Requirements for 240 C Insulation System

Back to Standard 1561, Edition 4

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