model | SR31-10KS | SR31-15KS | SR31-20KS |
capacity* | 10000VA / 8000W | 15000VA / 12000W | 20000VA / 16000W |
Input |
voltage range | Minimum switching voltage | 110 VAC(L-N) ± 3% at 50% load 176 VAC(L-N) ± 3% at 100% load |
Minimum recovery voltage | Minimum loss voltage + 10V |
Maximum switching voltage | 300 VAC(L-N) ± 3% at 50% load 276 VAC(L-N) ± 3% at 100% load |
Maximum recovery voltage | Maximum loss voltage-10V |
Frequency Range | 46Hz ~ 54 Hz @ 50Hz system 56Hz ~ 64 Hz @ 60Hz system |
Phase | Three-phase grounding |
Power Factor | ≧ 0.99 at 100% load |
Output |
output voltage | 208/220/230/240VAC |
AC voltage range | ± 1% |
Frequency range (synchronization range) | 46Hz ~ 54 Hz @ 50Hz system; 56Hz ~ 64 Hz @ 60Hz system |
Frequency range (battery mode) | 50 Hz ± 0.1 Hz or 60Hz ± 0.1 Hz |
overload | AC mode | 100%~110%: 10 minutes 110%~130%: 1 minutes >130% : 1 second |
Battery mode | 100%~110%: 30 second 110%~130%: 10 second >130% : 1 second |
Current peak ratio | 3:1 max |
Harmonic distortion | ≦ 2% @ 100% linear load; ≦ 5% @ 100% nonlinear load |
Switching time | Online←→Battery | 0 ms |
Inverter←→Bypass | 0 ms |
Inverter←→ECO | <10 ms |
effectiveness |
AC mode | > 89% | >89% | >89% |
Battery mode | > 86% | >88% | >87% |
Battery |
Standard machine | model | 12 V / 9 Ah | 12 V / 9 Ah | 12 V / 9 Ah |
number | 20 | 2 x 20 | 2 x 20 |
Charging time | 90% capacity in 9 hours |
Charging current (maximum) | 1.0 A ± 10% | 2.0 A ± 10% | 2.0 A ± 10% |
Charging voltage | 273 VDC ± 1% (based on 20 batteries) |
Long extension machine | model | Varies according to usage |
number | 18 - 20 |
Charging current (maximum) | 4.0 A ± 10% | 4.0 A ± 10% | 4.0 A ± 10% |
Charging voltage | 273 VDC ± 1% (based on 20 batteries) |
Exterior |
Standard machine | Dimensions, (D*W*H)(mm) | UPS host: 668 x 438 x 133[3U] Battery box: 580 x 438 x 133[3U] | UPS host: 668 x 438 x 266[6U] Battery box: 580 x 438 x 133[3U] x 2 pcs |
Net weight (kgs) | UPS host: 22 Battery box: 63 | UUPS host: 45 Battery box: 63 x 2 pcs |
Long extension machine | Dimensions, (D*W*H)(mm) | 668 x 438 x 133[3U] | 668 x 438 x 266[6U] | 668 x 438 x 266[6U] |
Net weight (kgs) | 22 | 45 | 45 |
Environmental conditions |
Operating temperature | 0 ~ 40°C (battery life will be shortened in an environment> 25°C) |
Operating humidity | <95% without condensation |
Operating altitude** | <1000m |
noise | Less than 58dB @ 1 Meter | Less than 60dB @ 1 Meter |
management |
Smart RS-232 or USB | Support Windows® 2000/2003/XP/Vista/2008/7/8, Linux and MAC |
Optional SNMP | Support for power management by SNMP administrator and web browser |
*When the output voltage is set to 208VAC, the machine will derate the output to 90%.
**If the UPS is installed and used in an environment with an altitude of more than 1000 meters, the output power should be calculated to decrease by 1% per 100 meters.
***Please forgive me if there are any changes in product specifications without notice.
