UL 1577:5ED 2014-04

Superseded

Optical Isolators

Available format(s)

Hardcopy

Superseded date

11-13-2021

Language(s)

English

Published date

04-25-2014

Publisher

Underwriters Laboratories

Foreword
Introduction
1 Scope
2 Glossary
3 Units of measurement
4 References
Construction
5 General
6 Corrosion protection
7 Insulating materials
8 Live parts
9 Spacings
Performance
10 General
11 Dielectric voltage-withstand test
12 Limited thermal aging test
Double-protection optical isolators
13 General
14 Discharge test
15 Optical isolator life test
Manufacturing and production-line tests
16 Dielectric voltage-withstand test
Ratings
17 General
Markings
18 General

Describes optical isolators, also called optical couplers or photocouplers: a) Intended to provide unidirectional signal transfer between dielectrically isolated circuits, and b) Intended for use in equipment with a supply voltage not exceeding 600 V ac rms or dc.

DocumentType	Standard
Pages	0
PublisherName	Underwriters Laboratories
Status	Superseded

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