Product Overview
The SKE SC31 series is a 3-Phase High-frequency Online UPS with models ranging from 10kVA to 20kVA. It provides an output power factor of 0.8 and features an exceptionally wide input voltage range. This UPS offers a reliable and stable sine wave power source for critical equipment. With a long backup time and a compact size, it is the preferred choice for critical business applications like office automation.
Specifications
Model
SC31-10KS
SC31-15KS
SC31-20KS
Rated Power / Peak Power
10KVA/8KW
15KVA/12KW
20KVA/16KW
Input
Input Voltage
400VAC (3-phase +N)
400VAC (3-phase +N)
400VAC (3-phase +N)
Voltage Range
190 ~ 520Vac @50% Load;305 ~ 520Vac @100% Load
190 ~ 520Vac @50% Load;305 ~ 520Vac @100% Load
190 ~ 520Vac @50% Load;305 ~ 520Vac @100% Load
Frequency Range
46Hz ~ 54Hz; 56Hz ~ 64Hz
46Hz ~ 54Hz; 56Hz ~ 64Hz
46Hz ~ 54Hz; 56Hz ~ 64Hz
Power Factor (PF)
≤ 0.99 @100% Load
≤ 0.99 @100% Load
≤ 0.99 @100% Load
Output
Output Voltage
200/208/220/230/240Vac
200/208/220/230/240Vac
200/208/220/230/240Vac
Voltage Range (Battery Mode)
±1%
±1%
±1%
Frequency Range (Synchronous Correction Range)
46Hz ~ 54Hz; 56Hz ~ 64Hz
46Hz ~ 54Hz; 56Hz ~ 64Hz
46Hz ~ 54Hz; 56Hz ~ 64Hz
Frequency Range (Battery Mode)
50Hz ±0.2Hz; 60Hz ±0.2Hz
50Hz ±0.2Hz; 60Hz ±0.2Hz
50Hz ±0.2Hz; 60Hz ±0.2Hz
Crest Factor
3:1 (Max)
3:1 (Max)
3:1 (Max)
Harmonic Distortion (Battery Mode)
≤ 3% THD (Linear Load);≤ 5% THD (Nonlinear Load)
≤ 3% THD (Linear Load);≤ 5% THD (Nonlinear Load)
≤ 3% THD (Linear Load);≤ 5% THD (Nonlinear Load)
AC to DC Transfer Time
0 ms
0 ms
0 ms
Inverter to Bypass Transfer Time
0 ms
0 ms
0 ms
Waveform (Battery Mode)
Pure Sine Wave
Pure Sine Wave
Pure Sine Wave
Efficiency
AC Mode
91%
91%
91%
Battery Mode
91%
91%
91%
Battery
Battery Model
Decision by the applicant
Decision by the applicant
Decision by the applicant
Battery QTY.
16-20 (Adjustable)
16-20 (Adjustable)
16-20 (Adjustable)
Max Charging Current
default 4A, 1A/2A/4A (Adjustable)
default 4A, 1A/2A/4A (Adjustable)
default 4A, 1A/2A/4A (Adjustable)
Charging Voltage
218.4VDC ±1% (Based on 16 Batteries) 273VDC ±1% (Based on 20 Batteries)
218.4VDC ±1% (Based on 16 Batteries) 273VDC ±1% (Based on 20 Batteries)
218.4VDC ±1% (Based on 16 Batteries) 273VDC ±1% (Based on 20 Batteries)
Display Instructions
LCD
Load Size, Battery Capacity, Utility Mode, Battery Mode, Bypass Mode, Fault Indication
Load Size, Battery Capacity, Utility Mode, Battery Mode, Bypass Mode, Fault Indication
Load Size, Battery Capacity, Utility Mode, Battery Mode, Bypass Mode, Fault Indication
Structural Parameters
Size (D x W x H)
442 x 192 x 318 mm
442 x 192 x 318 mm
575 x 190 x 318 mm
Net Weight (KG)
15
16
19
Operating Environment
Operating Temperature Range
0 ~ 95% RH @ 0-50°C (Non-condensing)
0 ~ 95% RH @ 0-50°C (Non-condensing)
0 ~ 95% RH @ 0-50°C (Non-condensing)
Operating Noise
Less than 60dBA @1m
Less than 60dBA @1m
Less than 60dBA @1m
Intelligent RS-232/Optional USB
Compatible with Windows 2000/2003/XP/Vista/2008, Windows 7/8, Linux, and MAC
Compatible with Windows 2000/2003/XP/Vista/2008, Windows 7/8, Linux, and MAC
Compatible with Windows 2000/2003/XP/Vista/2008, Windows 7/8, Linux, and MAC
Optional SNMP
Power management supports SNMP management and network management
Power management supports SNMP management and network management
Power management supports SNMP management and network management