Home › Electrical Engineering Forum › General Discussion › DERATING OF SMDB- temp test as per IEC61439 › Re: DERATING OF SMDB- temp test as per IEC61439
2011/07/23 at 8:41 am
#12347
Participant
Abhilash said:
Dear All,
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.
Abhilash
Dubai
Dear All,
Anybody can help