Standard 1577, Edition 5
UL 1577

Standard for Optical Isolators

UL CSDS Proposal Edition 5 Published Date: June 04, 2014 Last Revision: July 06, 2023

Summary of Topics b1577_5_20140604_sum.html

Subject 1577

Bulletin Dated: June 4, 2014


The following changes in requirements to the Standard for Optical Isolators, UL 1577, are being proposed for preliminary review and comment only:

1. For Preliminary Review Only: Deletion of Upper Limit, Production Dielectric Isolation Tolerance (5%) Boundary, Revised 17.2 and 17.3

2. For Preliminary Review Only: Deletion of Scope Paragraph, 1.6

3. For Preliminary Review Only: Removal of Withdrawn ASTM Standard from 13.2

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