Issue:
Is there a derating for higher ambient tepmeratures associated with Metal enclosed Switchgear?
Product Line:
MV Metal Enclosed Switchgear
Environment:
Application
Cause:
Specifying
Resolution:
Switchgear is derated per IEEE Std C37.20.2-1993 per a formula in paragraph 7.4.1. Per these calculations the deratings for switches are below:
At 45 Deg C 600A derates to 490A / 1200A derates to 980A
At 50 Deg C 600A derates to 472A / 1200A derates to 944A
At 55 Deg C 600A derates to 454A / 1200A derates to 907A
Is there a derating for higher ambient tepmeratures associated with Metal enclosed Switchgear?
Product Line:
MV Metal Enclosed Switchgear
Environment:
Application
Cause:
Specifying
Resolution:
Switchgear is derated per IEEE Std C37.20.2-1993 per a formula in paragraph 7.4.1. Per these calculations the deratings for switches are below:
At 45 Deg C 600A derates to 490A / 1200A derates to 980A
At 50 Deg C 600A derates to 472A / 1200A derates to 944A
At 55 Deg C 600A derates to 454A / 1200A derates to 907A
Released for: Schneider Electric USA
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