30 September 2021
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