S8BA-LF
9
Derating curve
Backup operation sequence in the event of power failure/voltage drop (instantaneous voltage drop)
When the input power supply recovers while the battery level is sufficiently high
*
"Disable beeper" is set by factory default. Even when "Disable beeper" is set, the buzzer sounds at startup.
Am
b
ient temperat
u
re (°C)
Load r
ate (
%
)
A
0
10
20
30
40
50
60
120
100
8
0
60
40
20
0
A: For standard mounting, face-up mounting, sta-
tionary mounting
A
B
0
10
20
30
40
50
60
120
100
8
0
60
40
20
0
Am
b
ient temperat
u
re (°C)
Load r
ate (
%
)
A: For standard mounting,
B: For face-up mounting, stationary mounting
A
C
B
0
10
20
30
40
50
60
120
100
8
0
60
40
20
0
Am
b
ient temperat
u
re (°C)
Load r
ate (
%
)
A: For standard mounting,
B: For face-up mounting, stationary mounting
C: For standard mounting (For use as a UL compli-
ant device)
120, 240 W
<S8BA-24D24D120LF>
<S8BA-24D24D240LF>
360 W
<S8BA-24D24D360LF>
480 W
<S8BA-24D24D480LF>
0.2 s
4 s
Inp
u
t po
w
er s
u
pply
Po
w
er s
w
itch
Battery le
v
el
UPS o
u
tp
u
t
Indication in the "stat
u
s display"
Beeper *
UPS operating mode
BU signal (OUT)
BL signal (OUT)
BS signal (I
N
)
N
ormal operation
Back
u
p operation
O
N
O
N
O
N
OFF
OFF
OFF
OFF
OFF
OFF
D
u
ring po
w
er fail
u
re
High
Lo
w
Empty
OFF
O
N
O
N
O
N
O
N
