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That's a valid question, not homework. What else do you need to know?

Hello everyone, I have a question, if someone can please guide me. I am calculating airflow of a closed enclosure, so need Max internal temperature from below details: External ambient temperature is 40 degrees Power dissipation of electrical component (Circuit breaker) is 57.6 watts...

Thanks everyone for guidance, so now I have power loss, but looking for Max internal temperature of enclosure. External ambient temperature is 40 degrees Power dissipation of electrical component (Circuit breaker) is 57.6 watts Dimensions of the enclosure (1827mm, 560mm, 600mm) Can someone...

Hi, thanks for your reply. I did research on it. The thing that I am not able to understand is, how to calculate heat dissipation and internal temperature. For example, in the CR01 section, we currently have only 1 400Amp mccb( LV432693 OR C40N32D400), with Full load current = 309.5. How...

Hello everyone, I am designing MCC. I need to calculate air flow and the fan & filter combination to achieve this for the starter cells. For information. • Attached excel sheet gives part numbers for soft starters and contactors • This MCC is in an A/C controlled room. • The external ambient...