IEC 61051-2:1991/AMD1:2009
Varistors for use in electronic equipment - Part 2: Sectional specification for surge suppression varistors; Amendment 1

Standard No.

IEC 61051-2:1991/AMD1:2009

Release Date

2009

Published By

International Electrotechnical Commission (IEC)

Status

Be replaced

Replace By

IEC 61051-2:2021

Latest

IEC 61051-2:2021

Replace

IEC 40/1931/CDV:2008

Scope

This standard is applicable to surge suppression varistors intended to protect electronic and other sensitive equipment from surges@ operating from a d.c. supply@ or an a.c. supply having a frequency not greater than 400 Hz. Varistors which are the subject of this sectional specification are not intended to give primary protection against lightning surges.

IEC 61051-2:1991/AMD1:2009 history

• 2021 IEC 61051-2:2021 Varistors for use in electronic equipment - Part 2: Sectional specification for surge suppression varistors
• 2009 IEC 61051-2:1991/AMD1:2009 Varistors for use in electronic equipment - Part 2: Sectional specification for surge suppression varistors; Amendment 1
• 1991 IEC 61051-2:1991 Varistors for use in electronic equipment; part 2: sectional specification for surge supression varistors