Kindly support me in the below matter for Type Test IEC61439
I want to type test (ASTA) 250A SMDB with 4 outoings as per IEC 61439. Our enclosure is IP54 . I came to know that the Incomer MCCB 250A will not withstand the fulload current while temperature rise test since the enclosure is IP54 .
If any of you have knowledge in this topic kindly help me friends.
Anybody can help