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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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