American Power Conversion AIS 5000 Top and bottom view of 4060kVA UPS:

General Information - Air Filter
10 AIS 5000 400V Installation Manual 990-2440
Top and bottom view of 40–60kVA UPS:
Perforated area
for air circulation
Perforated area
for air circulation
61.00
(1,549)
12.80
(325)
COG-Z
36.00 (914)
Minimum
service
clerance
20.67
(525)
COG-X
Conduit Box
3.96
(100)
3.76
(95)