System information

GRAVITAS SABRE SERIES
INSTALLATION &OPERATING MANUAL
Manual No. SABRE-4 Page 32 11/27/07 sabre-man
2
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1
1
P
P
r
r
i
i
n
n
c
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p
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a
a
l
l
o
o
f
f
O
O
p
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DC
Distribution
Low Voltage Disconnect
Controller
AC
Distribution
AC
Rectifier System
Inverter System
Static Transfer Switch
Battery
Telecom Equipment
Telecom Equipment
Telecom Equipment
Telecom Equipment
Telecom Equipment
Telecom Equipment
Figure 16 Telecom power system
The inverter system accepts 40.5 to 58VDC for normal operation; however it requires an input of at least 45VDC to
start. This voltage is applied to the system through the BAT+ and BAT– input bus connections.
The system will supply nominal 120VAC or 230VAC to the loads.
2
2
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2
2
T
T
y
y
p
p
i
i
c
c
a
a
l
l
S
S
y
y
s
s
t
t
e
e
m
m
C
C
o
o
n
n
f
f
i
i
g
g
u
u
r
r
a
a
t
t
i
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o
o
n
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s
s
Configuration 1:
•Controller / Communications
•STS Module
•Inverter Modules
•AC Distribution Unit
•MBS Module