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 70
Revision T, September 28, 2022
3.2.5
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
408
0
0.50
356
101
28.4
--
101.2
25
2.23
1576
1494
94.8
89.6
155.5
50
4.15
2930
2883
98.3
92.8
208.0
75
6.14
4337
4317
99.5
92.9
307.4
100
8.18
5783
5771
99.8
92.7
423.5
110
9.01
6368
6359
99.8
92.4
483.0
480
0
0.56
481
98
20.3
--
97.8
25
1.95
1619
1487
91.8
90.0
148.0
50
3.54
2944
2876
97.8
93.0
201.0
75
5.22
4338
4313
99.4
93.0
299.8
100
6.95
5776
5757
99.6
92.9
409.7
110
7.64
6354
6341
99.8
92.7
465.5
(B)
Typical Power Factor: Greater than or equal to 98% 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: 93% at best point, 91% at full load and nominal input voltage.
(D)
Maximum Input Current: 9.1A at 100% of full load with output adjusted to 58 volts DC as measured at the
shelf output terminals, and input voltage as shown.
3.3
Environmental Ratings
3.3.1
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).
3.3.2
Storage Ambient Temperature Range: -40°C to +80°C (-40°F to +176°F).
3.3.3
Humidity: This system is capable of operating in an ambient relative humidity range of 0% to 95%,
noncondensing.
3.3.4
Altitude: 2000 m (6560 ft) at full power (power limited for heights above 2000 m).
3.3.5
Acoustic Noise: ≤50dB(A), measured at a distance of 0.6 m from the rectifier.
3.3.6
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.
•
Between the DC output and the enclosure: the leakage current is
<
1 mA, with no breakdown within 1
minute using an applied voltage of 707 V.
