Vertiv
™
NetSure
™
-48 VDC Power System
System Application Guide
Spec. No: 582140001
Proprietary and Confidential © 2022 Vertiv Group Corp.
SAG582140001
Model No: 801
NLDB
, 801
NLEB
, 801
NL
-
B
Page 79
Revision T, September 28, 2022
4.2.5
Typical Input Data: 60 Hz input.
(A)
System output is initially adjusted to 54.48 volts DC as measured at the system sense points at 50% of full
load and nominal input.
Number
of Rectifier
Modules
Installed
Nominal
Input
Voltage
Percent
of Full
Load
Input Current
(Amperes)
Input
VA
Input
Watts
Power
Factor
%
Efficiency
%
Power
Loss
Watts
1
176
0
0.4135
128.32
111.48
76.9
0.78
110.6
25
5.139
1579.5
1522.7
96.9
89.12
165.62
50
9.571
2929
2922
99.7
92.03
232.82
75
14.476
4408
4405
99.9
91.43
377.6
100
19.651
5957
5950
99.8
91.04
509.4
110
21.68
6562
6552
99.8
90.09
578.4
120
21.89
6620
6608
99.8
89.17
638.1
208
0
0.3972
142.76
110.25
78.4
0.79
109.4
25
4.333
1570
1526
97.2
88.93
168.97
50
8.114
2930
2903
99.2
92.62
214.34
75
12.142
4371
4365
99.8
91.80
357.7
100
16.38
5873
5870
99.9
91.32
509.4
110
18.127
6489
6487
99.9
91.08
578.4
120
18.283
6545
6542
99.9
90.02
638.1
(B)
Typical Power Factor: Greater than or equal to 99.2% for any load greater than or equal to 50% of rated
full load at nominal line. Meets IEC 1000-3-2.
(C)
Typical Operating Efficiency: 92.62% at best point, 90.25% at full load and nominal input voltage.
(D)
Maximum Input Current: 21.92A at 100% of full load with output adjusted to 58 volts DC as measured at
the shelf output terminals, and input voltage as shown.
4.3
Environmental Ratings
4.3.1
Operating Ambient Temperature Range: -40°C to +65°C (-40°F to +149°F)
(A)
Full rated output power of 5800 W for temperatures -40°C to +45°C (-40°F to +113°F).
(B)
Power limitation for temperatures higher than +45°C (+113°F).
4.3.2
Storage Ambient Temperature Range: -40°C to +80°C (-40°F to +176°F).
4.3.3
Humidity: This system is capable of operating in an ambient relative humidity range of 0% to 95%,
noncondensing.
4.3.4
Altitude: 2000 m (6560 ft) at full power (power limited for heights above 2000 m).
4.3.5
Acoustic Noise: ≤50dB(A), measured at a distance of 0.6 m from the rectifier.
4.3.6
Insulation Resistance and Dielectric Strength
(A)
Insulation Resistance
•
Between the AC input and the enclosure:
≥
20x10
6
Ω
•
Between the AC input and the DC output:
≥
20x10
6
Ω
•
Between the DC output and the enclosure:
≥
20x10
6
Ω
(B)
Dielectric Strength
•
Between the AC input and the enclosure: the leakage current is
<
1 mA, with no breakdown within 1
minute using an applied voltage of 2120 V.
•
Between the AC input and the DC output: the leakage current is
<
1 mA, with no breakdown within 1
minute using an applied voltage of 4242 V.
