AMENDMENT 1 Varistors for use in electronic equipment – Part 2: Sectional specification for surge suppression varistors
|Publication Date:||1 May 2009|
|ICS Code (Potentiometers, variable resistors):||31.040.20|
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.