NEC EXPRESS800, Service Manual

Page: 37 / 78

Planning Your System Rack Configuration 3-9
Table 3-4. Determining the Load on a Single Power Source
Component Voltage Amps# VA
Times the
Number of
Systems
Installed
Load
Express5800/120Ld 120 4.6 552
Express5800/120Mc2 120 9.0 1080
Express5800/120Mc3 120 9.0 1080
Express5800/180Ra-7*
Express5800/180Ra-7** 120 5.1
8.5
612
1020
Express5800 ES1400 120 6.0 720
Express5800 HX4500 120 12.0 1440
Express5800 HX4600 120 10.5 1260
Express5800 HV8600 120 10.0 1200
Express5800 LC1400 120 9.0 1080
Express5800 LS2400 120 6.0 720
Express5800 MC2200 120 9.0 1080
Express5800 MC2400 120 9.0 1080
Express5800 MH4500 120 10 1200
3UDEU
Port Concentrator 100 1 100
Monitor
Other
Other
Other
* 4 Processors Installed
** 8 Processors Installed
# Absolute Maximum Ratings
2.
Add the individual loads you have listed in Table 3-4 to determine the total
load on the power source.
3. To determine the run time your UPS will provide your system during a
power failure, use Table 3-5 to find your total load and its associated run
time in minutes.