S8BA-SBF
21
Ratings, Characteristics, and Functions
Description
Capacity
480 W
960 W
DC input
Rated input voltage
24 VDC
Input voltage range
23 to 28 VDC
Input
maximum
current
for rated input voltage
for rated loads connected
21.5 A
43.5 A
Input terminal
Push-in terminal block
Input protection
Fuse (cannot be replaced by the customer)
Input protection capacity
30 A
60 A
DC output
Rated
current
for rated output voltage
20 A
40 A
Switching time
Uninterrupted
Output
voltage
Normal operation
Input voltage through output
Backup operation
21 to 28 V (the voltage cannot be adjusted)
Output terminal
Push-in terminal block
Overload
protection
Warning display
• UPS output will
continue through
bypass [during normal
operation]
• UPS output will continue
through battery [during
backup operation]
101% or more
Output stopped by
overload protection
• Stop output [during
normal operation]
• The internal power
supply to the UPS will
stop after 10 sec. [during
backup operation]
111% or more
Warning display
cancellation (During
normal operation, during
backup operation)
93% or more
Battery unit
Type
Lithium-ion battery
Rated voltage
25.2 VDC
Rated capacity
3900 mAh
7800 mAh
Battery life expectancy *1
10 years (25°C), 6.7 years (35°C), 3.7 years (45°C), 1.9 years (55°C)
Replacement by user
Yes (Hot swapping)
Battery Life Counter Function
Yes
Charging time
8 hours (90%) *3
Backup time (25°C, initial
characteristics)
6 min. (constant power rated load)
The backup time can be set from the mode selection / backup operation time selection switch, or the
shutdown software.
Environme
nt
Operating environment temperature /
humidity
0 to +55°C / 10 to 90%RH with no condensation
Storage environment temperature /
humidity
−
20 to +55°C / 10 to 90%RH 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/s
2
X, Y, and Z directions: 100 min.
(Sweep time: 10 min.×Sweep count 10 times=Total: 100 min.)
Shock resistance
JIS C 60068-2-27 compliant: 147 m/s
2
X, Y, and Z directions three times
Structure
Dimensions (W×H×D mm) *2
44 × 124 × 111.4 (UPS control unit 20 A)
80 × 124 × 111.4 (battery unit 20 A)
52 × 124 × 111.4 (UPS control unit 40 A)
150 × 124 × 111.4 (battery unit 40 A)
Weight
Weight of control unit
Approx. 0.6 kg
Approx. 0.7 kg
Weight of battery unit
Approx. 1.5 kg
Approx. 2.5 kg
Cooling method
Natural cooling
Dielectric
breakdown
voltage
Withstand voltage
DC external terminals to casing: 510 V AC, 1 minute, leakage current 5 mA max.
Insulation resistance
DC external terminals to casing: 20 M
Ω
or more. (500 V DC)
Standard
compliance
Safety standard
UL508 / CE / C22.2 No. 107.1-01
EMI
Radiation disturbance
field strength
EN61000-6-4 / FCC / ICES / RCM / KC / EAC
Internal power consumption
(normal *4 / maximum *5)
7 W / 29 W
15 W / 58 W
Serial
communica
tion
RS-232C (Interface terminal)
Yes (RJ45)
USB (Interface terminal)
I/O signal (Interface terminal)
Yes (RJ45)
Accessories
USB cable (2.2 m) (included with control unit)
Battery connection cable (included with battery unit)
