IBM 600/1200 Series - Manual (Page 11)

Operating temperature (AC and DC systems)
4.5º to 40º C (40º to 104º F)
-200 to 6000 ft
4.5º to 35º C (40º to 95º F) 6000 to 8000 ft
4.5º to 30º C (40º to 86º F) 8000 to 10,000 ft
Short term (<72 hrs) operating temp. (DC systems only)
1.7º to 49º C (35º to 120º F) -200 to 6000 ft
1.7º to 45º C (35º to 113º F) 6000 to 8000 ft
1.7º to 35º C (35º to 95º F) 8000 to 10,000 ft
Heat dissipation (maximum)
15,131 Btu/hr CEC cab. (AC systems)
15,131 Btu/hr Expansion cab. (AC systems)
12,283 Btu/hr CEC cab. (DC systems)
12,283 Btu/hr Expansion cab. (DC systems)
10% to 80% non-condensing Relative humidity
12º/hr C (21.6º/hr F) Max. rate of temp. change
Acoustical noise (per cabinet)
67 dBA
Fans at normal speed
77 dBA Fans at full speed
5.3 Electrical (AC Cabinets)
Two 30A, single-phase AC inputs (1 active, 1 standby) AC service requirements
AC input voltage range
200 to 240 V AC Nominal
180 to 264 V AC Absolute
47 to 63 Hz AC input frequency range
82% Efficiency (min.)
>.99 (>10% load)
Power factor
4.44 KVA AC input power (max.)
Input current (@ 3600 W of power delivered to load)