Understanding IEC TR 60890: The Key to Temperature-Rise Verification
: Unless specified otherwise, it assumes an average 24-hour ambient air temperature of 2. Calculation Methodology iec tr 60890 pdf
): Calculated based on the physical dimensions of the enclosure and specific surface factors related to how the enclosure is mounted (e.g., against a wall, free-standing). Power Loss ( Understanding IEC TR 60890: The Key to Temperature-Rise