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What is the operating and storage temperature of the I range (iSW) switches.

There are two types of I range switch (iSW Switches) they have different properties and temperature ranges
The difference is the ISO Standard that the product is manufactured to comply with:
  • IEC/EN 60669
  • IEC/EN 60947-3
For 20-32A they comply with IEC/EN 60669
For 40-125A they comply with IEC/EN 60947-3

The operating temperature of I range switches is:-
  • For IEC/EN 60669 devices between - 20°C...+50°C without derating.
  • For IEC/EN 60947-3 devices -25...+60 °C without derating.

Their storage temperature must be:-
  • For IEC/EN 60669 devices between - 40...+100°C
  • For IEC/EN 60947-3 devices between -40...+85 °C
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