Components for low-voltage surge protective devices - Part 331: Performance requirements and test methods for metal oxide varistors (MOV)
a) Update of the nominal varistor voltage test method;
b) Addition of thermally protected varistors – component symbol and test methods;
c) Addition of nominal discharge current – test methods;
d) Addition of voltage ratings for disc types (Table 1);
e) Addition of test currents for clamping voltage of disc types (Table 2);
f) Addition of typical voltage ratings of SMD types (Table 3); and
g) Addition of Limited current and temporary overvoltage tests for thermally protected varistors.
Keywords: metal oxide varistors (MOV), high transient voltages.
|Publication type||International Standard|
|Available language(s)||English, English/French|
|TC/SC||TC 37/SC 37B - Components for low-voltage surge protectionrss|
|ICS||31.040.20 - Potentiometers, variable resistors|
|File size||2028 KB|
The following test report forms are related:
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