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KSTAR  Online Transformerless Commercial UPS - UBR 1-3kVA

KSTAR Online Transformerless Commercial UPS - UBR 1-3kVA

$0.00

UBR is small capacity UPS of KSTAR, the output factor is 0.9, and power range is from 1kVA to 3kVA. Deployment is very flexible, tower and rack-mounted can be configured according to customer's requirement. When UPS is on battery mode, it can shut down unnecessary load and extend the backup time of the critical load.
General Features

● True double-conversion

● Rack-mounted and floor-standing tower can be convertible

● Patented Mimic LCD of which content can be rotated according to the type of deployment

● Digital control guarantees high reliability

● Output receptacle control for non-critical load shedding capability

● ECO mode operation for energy saving

● Emergency power off function(EPO)

● Generator compatible

● Communications:RS-232,USB,SNMP card(Optional), Relay card (Optional)

● Bypass can be used when UPS is off(Setted in LCD)

● Cold start


Technical Specification
MODEL UBR
10
UBR
10-36
UBR
10L
UBR
10L-36
UBR
15
UBR
15L
UBR
20
UBR
20-72
UBR
20L
UBR
20L-72
UBR
30
UBR
30L
Capacity (VA/Watts) 1000VA/900W 1500VA/1350W 2000VA/1800W 3000VA/2700W
INPUT 
Nominal Voltage  208/ 220/230/240Vac(L+N+PE)
Operating Voltage
Range
110~300Vac @(0~60%) Load;120~300Vac @(60~70%)Load,
140~300Vac @(70~80%)Load;160~300Vac @(80~100%)Load
Operating Frequency
 Range
50Hz:45~55Hz,60Hz: 55-65Hz  Auto Sensing
Power Factor  > 0.85@25%Load;>0.95 @50%Load;>0.97@75%Load;>0.99 @ Nominal voltage& 100%Load
OUTPUT  
Output Voltage  208/220/230/240Vac:230Vac(Default)
Power Factor 0.9
Voltage Regulation ±1%
Frequency Synchronized
 Range
45-55Hz ±0.02Hz@ 50Hz, 55-65Hz ±0.02Hz@60Hz
Battery Mode & None
Synchronized
 Range
 
(50/60±0.02)Hz
Crest Factor 3:1
Harmonic Distortion
 (THDv)
≤3% with linear load
≤5% with non-linear load 
Wave form  Pure Sinewave
Transfer time Utility to Battery : 0ms; Utility to Bypass: 4ms(Typical)
EFFICIENCY
AC Mode 88% 88% 89% 90%
Battery Mode 84% 85% 84% 85% 85% 85% 86% 85% 86% 87%
ECO Mode 94%
BATTERY
Battery Type 12V/9AH 12V/7AH 12V 12V/9AH 12V 12V/9AH 12V/7AH 12V 12V/9AH 12V
Numbers 2 3 2*N 3*N 3 3*N 4 6 4*N 6*N 6 6*N
Maximum Charging
Current (A)
1.0 1.0 6.0/12.0 1.0 6.0/12.0 1.0 1.0 6.0/12.0 1.0 6.0/12.0
Charging
 Voltage(Vdc)
27.4±1% 41.1±1% 27.4±1% 41.1±1% 41.1±1% 54.8±1% 82.2±1% 54.8±1% 82.2±1% 82.2±1%
Protect Over-voltage(14.7v) /Low-voltage(10v)
PROTECTION
Overload
 Capacity
Line Mode 105%-150%, 30s turn to bypass mode ; >150% 300ms turn to bypass mode
Battery Mode 105%-150%, exceed 30s shutdown ;  >150% exceed 300ms shutdown
INDICATORS
LED & LCD Display Load/Battery/Input/Output/Operating Mode Information
ALARM
Battery Mode Sounding every 4 seconds 
Battery Low Sounding every second
Overload Sounding every 0.5 second
Fault Continuously Sounding
MANAGEMENT
Smart RS-232/USB
(Preferential)
External Modbus card supported by RS232,Software supports Windows Family,Linus,FreeBSD
Intelligent Slot SNMP (Standard or mini) independent to RS-232(Optional)
ENVIRONMENT
Operating Temperature 0℃~40℃
Humidity Range 0~95% (Non-condensing)
Altitude < 1500m,
Noise Level <50dB@ 1Meter
PHYSICAL
Dimension W×D×H (mm) 440×430×86.5 440×572×86.5 440×696×86.5 440×572×86.5 440×696×86.5 440×572×86.5
Net Weight (kg) 13.2 15.7 7.7 7.8 15.8 7.9 21.5 27.6 10.7 10.8 28.5 11.2
STANDARDS
Safety  IEC/EN62040-1
EMC IEC/EN62040-2

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