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S8BA-LF
Ratings, Characteristics, and Functions
Item
Rated input voltage
When standard voltage
sensitivity is set
Input
When low voltage sensitivity
voltage
is set
range
When high voltage
sensitivity is set
DC input
Input
for rated input voltage for
maximum
rated loads connected
current
Input terminal
Input protection
Input protection capacity
Rated
(for rated output voltage)
current
Switching time
Normal operation
Output
voltage
Backup operation
DC output
Output terminal
Overload protection
Type
Rated voltage
Rated capacity
Expected battery life *1
Battery
Replacement by user
Auto battery check function
Battery life counter function
Charging time
Backup time (25°C, initial characteristics)
Operating ambient temperature/humidity
Storage ambient temperature/humidity
Environment
Vibration resistance
Shock resistance
Dimensions (W × D × H mm)
Structure
Weight of unit
Cooling method
Insulation and
Withstand voltage
withstand
voltage
Insulation resistance
Safety standard
Compliance
Radiated disturbance
EMI
to standard
electromagnetic field strength
Ship standard
Internal power consumption (normal *2 / maximum *3)
RS-232C (Interface terminal)
Serial
communication
USB (interface terminal)
I/O signal (Interface terminal)
Accessories
Accessory functions
*1. An estimated value for standard mounting. Not a guaranteed value.
*2. Conditions: With rated loads connected, at a rated input voltage, and with the battery fully charged.
*3. Conditions: With rated loads connected, at a rated input voltage, and at the maximum battery charging current.
*4. 400 W for use as a UL compliant device.
*5. 20 A for use as a UL compliant device.
*6. 16.7 A for use as a UL compliant device.
*7. When using in an environment at a high temperature, charging may be paused by charging temperature protection, then the charging time will
be longer than specified time.
"CS" will be displayed when charging temperature protection is operated.
*8. For the S8BA-24D24D120LF, install all of the RSMN-2030, RSHN-2030, and RSEN-2030 EMC filters manufactured by TDK. For the S8BA-
24D24D240LF, S8BA-24D24D360LF, or S8BA-24D24D480LF, install both the RSMN-2030 and RSHN-2030 or their equivalents. Install these
filters in series to the cable connected to the DC input terminal block.
When you do, do not connect anything to the GR terminal.
The effectiveness of the noise filters may be affected by the installation environment. Be sure to check effectiveness before starting operation.
2
Capacity
120 W
24 VDC
24 VDC±10%
24 VDC±12.5%
24 VDC±5%
5.9 A
Push-in terminal block
Fuse (cannot be replaced by the customer)
10 A
5 A
Uninterrupted
Output of input voltage as-is
24 V±5%
Push-in terminal block
Alarm display at a load level of 110% or over (normal operation)
Alarm display at a load level of 110% or over and output voltage drop (backup operation)
Alarm display cancellation at a load equal to or below the rated capacity (normal operation, backup
operation)
Lithium-ion battery
14.4 VDC
1600 mAh × 1 parallel
2.5 years (50°C), 5 years (40°C), 10 years (25°C)
Yes (Hot swapping)
Yes
Yes
4 hours *7
6 min. (120 W)
0 to +55°C/10 to 90% (with no condensation)
–20°to +55°C/10 to 90% (with no condensation)
JIS C 60068-2-6 compliant. 5 to 8.4 Hz amplitude: 3.5 mm, 8.4 to 150 Hz acceleration rate: 9.8 m/s
X, Y, and Z directions for 100 minutes (Time coefficient: 10 minutes × coefficient factor 10 = total time 100 min.)
JIS C 60068-2-27 compliant. 147 m/s
94 × 100 × 100
Approx. 0.8 kg
Natural cooling
1,000 V 50/60 Hz AC between the DC external terminals and the GR terminal for 1 minute at a leakage
current of 10 mA max.
20 MΩ min. between the DC external terminals and the GR terminal (at 500 VDC)
UL508/CE/C22.2 No.107.1-01 / EAC
EN61000-6-4/FCC/ICES/RCM/KC
LR/ABS/EN60945 *8/DNV GL
7 W/22 W
Yes (RJ45)
Yes (B connector)
Yes (RJ45)
USB cable (1.5 m)
Beeper setting; Auto restart setting; Auto test setting; Auto restart mode setting; Input sensitivity setting;
Remote ON/OFF signal logic setting; Cold start setting; Battery life counter setting; Power switch function
setting; Maximum backup time setting; Startup battery level setting; Backup stop (BS) signal delay time
setting; Backup (BU) signal delay time setting; and Contact signal I/O test
240 W
360 W
11.7 A
17.5 A
15 A
30 A
10 A
15 A
1600 mAh × 2 parallel
1600 mAh × 3 parallel
6 min. (240 W)
6 min. (360 W)
2
, 3 times in X, Y, and Z directions.
148 × 100 × 100
270 × 100 × 100
Approx. 1.3 kg
Approx. 2.0 kg
11 W/41 W
14 W/60 W
480 W *4
23.3 A *5
20 A *6
1600 mAh × 4 parallel
6 min. (480 W)
2
Approx. 2.3 kg
18 W/80 W
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