英语翻译
6.4.3.2 Class AA (Dry,Air Cooled)
Mounting shall be suitable for wall/pole or base pedestal
support,as specified on the purchase order.
The enclosure shall conform to a NEMA Class 3R rating,and
shall be fabricated with ASTM A36 sheet steel or ASTM
B209,Type 5052 aluminum,in accordance with NEMA ICS
6.Brackets,hangers and hinges shall be galvanized forged
steel or 300 series stainless steel.
The rectifier components shall be accessible by a hinged
enclosure door and two hinged enclosure sides.A tilt out
rack with a hinged enclosure door and one hinged enclosure
side can also be used.Doors shall be detachable without
tools.