DIN EN IEC 61643-331 PDF

Published Date: 06/01/2021

Components for low-voltage surge protection - Part 331: Performance requirements and test methods for metal oxide varistors (MOV) (IEC 61643-331:2020); German version EN IEC 61643-331:2020

Published Date: 01/01/2020

Components for low-voltage surge protective devices - Part 331: Performance requirements and test methods for metal oxide varistors (MOV) (IEC 61643-331:2017); German version EN IEC 61643-331:2018

Published Date: 12/01/2019

Draft Document - Components for low-voltage surge protective devices - Part 331: Performance requirements and test methods for metal oxide varistors (MOV) (IEC 37B/179/CDV:2018); German and English version prEN IEC 61643-331:2018

Published Date: 02/01/2018

Draft Document - Components for low-voltage surge protective devices - Part 331: Performance requirements and test methods for metal oxide varistors (MOV) (IEC 37B/160/FDIS:2017); German version FprEN 61643-331:2017

Published Date: 03/01/2004

Components for low-voltage surge protective devices - Part 331: Specification for metal oxide varistors (MOV) (IEC 61643-331:2003); German version EN 61643-331:2003

Published Date: 10/01/2010

Low-voltage surge protective devices - Surge protective devices for specific application including d.c. - Part 22: Selection and application principles - Wind turbine applications; German version CLC/TS 50539-22:2010

Published Date: 07/01/2013

Draft Document - Circuit breakers and similar equipment for household use - Particular requirements for RCDs with flat quick-connect terminations (IEC 23E/788/CD:2013)

Published Date: 11/08/2009

Audio Coverage Uniformity in Enclosed Listener Areas

Published Date: 06/01/2011

Design Guidelines for ACU

Published Date: 06/01/2011

ACU Field Guide

Published Date: 07/31/2012

Standard Guide for Audiovisual Systems Design and Coordination Processes

Published Date: 01/20/2014

AUDIOVISUAL SYSTEMS ENERGY MANAGEMENT HANDBOOK