What are the High Altitude De-rating (Re-rating) requirements for an I-Line panelboard?
Issue:
High Altitude De-rating requirements for I-Line panelboard
Product Line:
i-Line Panelboard
Environment:
Products sold and used in North America
Cause:
Installation / Setup
Resolution:
Only the circuit breakers in an I-Line panelboard require de-rating (re-rating) for high altitude applications. The bus assembly in the Panelboard is not affected by high altitude and can be used at it's full rating. Tables showing how to de-rate (re-rate) the circuit breakers can be found in Data Bulletin 0100DB0101 which is attached below.
High Altitude De-rating requirements for I-Line panelboard
Product Line:
i-Line Panelboard
Environment:
Products sold and used in North America
Cause:
Installation / Setup
Resolution:
Only the circuit breakers in an I-Line panelboard require de-rating (re-rating) for high altitude applications. The bus assembly in the Panelboard is not affected by high altitude and can be used at it's full rating. Tables showing how to de-rate (re-rate) the circuit breakers can be found in Data Bulletin 0100DB0101 which is attached below.