Product Overview
The SKE 3-Phase Input/ 1-Phase Output Online UPS features cutting-edge all-digital control technology, delivering a pure online UPS product with N+1 parallel redundancy. With a dual-conversion system, output isolation transformer, and state-of-the-art SMT technology, it guarantees outstanding stability and reliability. The output isolation transformer effectively mitigates surges, spikes, and load impacts from the mains power, significantly enhancing load current quality and ensuring perfect compatibility between the load and the UPS.
Specifications
Model
SKGH31-10KS
SKGH31-15KS
SKGH31-20KS
Rated Power / Peak Power
10KVA/8KW
15KVA/12KW
20KVA/16KW
System Characteristics
Technology
On-Line Double Conversion
On-Line Double Conversion
On-Line Double Conversion
System Architecture
Adoption of output isolation transformer
Adoption of output isolation transformer
Adoption of output isolation transformer
System Full Load Efficiency(Battery Mode)
≥85%
≥85%
≥85%
Noise Level (at 2 Meters Distance)
<50dB
<50dB
<50dB
Power Factor (PF)
0.8
0.8
0.8
Operating Temperature
-10~40°C (14-104°F)
-10~40°C (14-104°F)
-10~40°C (14-104°F)
Storage Temperature
-25~60°C (-13~140°F)(Not Included Battery)
-25~60°C (-13~140°F)(Not Included Battery)
-25~60°C (-13~140°F)(Not Included Battery)
Humidity
<95 % Non-condensing
<95 % Non-condensing
<95 % Non-condensing
Redundant Parallel Operation
Yes
Yes
Yes
Display
Input status; Output status; Bypass state; Load status; Charging state; ECO mode; Inverter status; Rectifier operation; Inverter temperature; LCD display: transformer status; Running time (days); Machine number; Calendar; clock; Machine model and specification; Product version number; Historical cumulative records; Historical fault records; Language Settings; ECO setting; Clock and calendar Settings; Battery discharge test; etc. LED display :UPS operating status.
Input status; Output status; Bypass state; Load status; Charging state; ECO mode; Inverter status; Rectifier operation; Inverter temperature; LCD display: transformer status; Running time (days); Machine number; Calendar; clock; Machine model and specification; Product version number; Historical cumulative records; Historical fault records; Language Settings; ECO setting; Clock and calendar Settings; Battery discharge test; etc. LED display :UPS operating status.
Input status; Output status; Bypass state; Load status; Charging state; ECO mode; Inverter status; Rectifier operation; Inverter temperature; LCD display: transformer status; Running time (days); Machine number; Calendar; clock; Machine model and specification; Product version number; Historical cumulative records; Historical fault records; Language Settings; ECO setting; Clock and calendar Settings; Battery discharge test; etc. LED display :UPS operating status.
Chassis
IP20
IP20
IP20
Cooling Syestem
Speed controlled fan air-cooled
Speed controlled fan air-cooled
Speed controlled fan air-cooled
Altitude
<1000m; No capacity reduction
<1000m; No capacity reduction
<1000m; No capacity reduction
Rectifier Characteristics
Input Voltage
380Vac±25%; 3-phase
380Vac±25%; 3-phase
380Vac±25%; 3-phase
Input Voltage Range
160-280Vac
160-280Vac
160-280Vac
Input Frequency Range
50Hz±5%
50Hz±5%
50Hz±5%
Soft Start
>20s
>20s
>20s
Output Voltage
200/220/230/240Vac
200/220/230/240Vac
200/220/230/240Vac
Output Power Factor (PF)
0.8
0.8
0.8
Inverter Characteristics
Output Voltage Stability
220Vac ±1% (Static Load); 220Vac±2% (50~0% Load Jump)
220Vac ±1% (Static Load); 220Vac±2% (50~0% Load Jump)
220Vac ±1% (Static Load); 220Vac±2% (50~0% Load Jump)
Output Frequency
50Hz±0.1% (Battery Mode)
50Hz±0.1% (Battery Mode)
50Hz±0.1% (Battery Mode)
Distortion
<1% (Linear Load); <3% (Nonlinear Load)
<1% (Linear Load); <3% (Nonlinear Load)
<1% (Linear Load); <3% (Nonlinear Load)
Frequency Tracking Range
46 ~ 54Hz
46 ~ 54Hz
46 ~ 54Hz
Overload Capability
>125% for 10 minutes; >150% for 30 seconds and Turn bypass shutdown
>125% for 10 minutes; >150% for 30 seconds and Turn bypass shutdown
>125% for 10 minutes; >150% for 30 seconds and Turn bypass shutdown
Crest Factor
3:1
3:1
3:1
Bypass Characteristics
Static Bypass Transfer Time
0ms
0ms
0ms
Static Bypass Input Range
220Vac±10%
220Vac±10%
220Vac±10%
Frequency Range
±1Hz; ±2Hz; ±3Hz Adjustable
±1Hz; ±2Hz; ±3Hz Adjustable
±1Hz; ±2Hz; ±3Hz Adjustable
Bypass Inverter Transfer Time
2ms
2ms
2ms
Frequency Tracking Speed
0.5-2Hz/s
0.5-2Hz/s
0.5-2Hz/s
Manual Maintenance Bypass
Yes
Yes
Yes
Battery Characteristics
Battery Type
Sealed Lead-Acid Maintenance-Free Battery
Sealed Lead-Acid Maintenance-Free Battery
Sealed Lead-Acid Maintenance-Free Battery
Battery Rated Voltage & Number of Cells
384Vdc Standard Configuration (384-336Vdc/32-28 Battery Cells)
384Vdc Standard Configuration (384-336Vdc/32-28 Battery Cells)
384Vdc Standard Configuration (384-336Vdc/32-28 Battery Cells)
Charging Current
5A ~ 15A
5A ~ 15A
5A ~ 15A
Interface Characteristics
Communication Interface
RS-232 Communication; USB; EPO Remote Shutdown; Built-in SNMP Network Adapter (Optional)
RS-232 Communication; USB; EPO Remote Shutdown; Built-in SNMP Network Adapter (Optional)
RS-232 Communication; USB; EPO Remote Shutdown; Built-in SNMP Network Adapter (Optional)
Communication Interface
Realization monitoring and management across various operating systems: Monitoring of utility power and battery status; Detection of utility power failures; Low battery voltage alert; Remote shutdown; Control menu;
Realization monitoring and management across various operating systems: Monitoring of utility power and battery status; Detection of utility power failures; Low battery voltage alert; Remote shutdown; Control menu;
Realization monitoring and management across various operating systems: Monitoring of utility power and battery status; Detection of utility power failures; Low battery voltage alert; Remote shutdown; Control menu;
Structural Parameters
Size (D x W x H)
610 x 220 x715 mm (23.79 x 8.58 x 27.89 inch)
655 x 310 x 720 mm (25.55 x 12.09 x 28.08 inch)
655 x 310 x 720 mm (25.55 x 12.09 x 28.08 inch)
Net Weight
87kg (191.84 lbs)
103kg (227.12 lbs)
134kg (297.68 lbs)