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S8BA

Uninterruptible Power Supply (UPS)

S8BA

Compact UPS best suited for prevention of voltage drop/power failure in industrial-purpose computers (IPC)/controllers. This UPS adopts a lithium-ion battery and DIN rails can be attached to it.

Ratings, Characteristics, and Functions

Capacity 120 W 240 W 360 W 480 W *4
DC input Rated input voltage 24 VDC
Input
voltage
range
(When standard
voltage sensitivity
is set)
24 VDC±10%
(When low voltage
sensitivity is set)
24 VDC±12.5%
(When high voltage
sensitivity is set)
24 VDC±5%
Input
maximum
current
(for rated input
voltage)
5.9 A 11.7 A 17.5 A 23.3 A *5
Input terminal Push-in terminal block
Input protection Fuse
Input protection capacity 10 A 15 A 30 A
Inrush current 12 A max.,
0.1 ms max.
14 A max.,
0.1 ms max.
16 A max., 0.1 ms max.
DC output Rated
current
(for rated output
voltage)
5 A 10 A 15 A 20 A *6
Switching time Uninterrupted
Output
voltage
Normal operation Output of input voltage as-is
Backup operation 24 V±5%
Output terminal Push-in terminal block
Overload protection 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)
Battery Type Lithium-ion battery
Rated voltage 14.4 VDC
Rated capacity 1600 mAh ×
1 parallel
1600 mAh ×
2 parallel
1600 mAh ×
3 parallel
1600 mAh ×
4 parallel
Expected battery life *1 2.5 years (50°C), 5 years (40°C), 10 years (25°C)
Replacement by user Yes (Hot swapping)
Auto battery check function Yes
Battery life counter function Yes
Charging time 4 hours *7
Backup time (25°C, initial characteristics) 6 min. (120 W) 6 min. (240 W) 6 min. (360 W) 6 min. (480 W)
Environment Operating ambient
temperature/humidity
0 to 55°/10 to 90° (with no condensation)
Storage ambient
temperature/humidity
-20° to 55°/10 to 90% (with no condensation)
Vibration resistance 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/s2 X, Y, and Z directions for 100 minutes
(Time coefficient: 10 minutes × coefficient factor 10 = total time 100
min.)
Shock resistance JIS C 60068-2-27 compliant. 147 m/s2, 3 times in X, Y, and Z
directions.
Enclosure Dimensions (W × D × H mm) 94 × 100 ×
100
148 × 100 ×
100
270 × 100 × 100
Weight of unit Approx. 0.8 kg Approx. 1.3 kg Approx. 2.0 kg Approx. 2.3 kg
Cooling method Natural cooling
Insulation
and
withstand
voltage
Withstand voltage 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.
Insulation resistance 20 MΩ min. between the DC external terminals and the GR terminal
(at 500 VDC)
Safety standard compliance UL508/CE/C22.2 No.107.1-01
Internal power consumption (normal *2/
maximum *3)
7 W/22 W 11 W/41 W 14 W/60 W 18 W/80 W
Serial com-
munication
RS232C (Interface terminal) Yes (RJ45)
USB (interface terminal) Yes (B connector)
I/O signal Yes (RJ45)
Accessory functions 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

*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.