Overview:
UB Series is small power UPS of KSTAR, the output factor is 0.9, and power range is from 1kVA to 3kVA. When UPS is on battery mode, it can shut down unnecessary load and extend the backup time of the critical load
Features:
Specifications:
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Specifications and features![]() | |
| Product Code | KS-UB30![]() |
| DETAILS | |
| MODEL | UB30 |
| Capacity (VA/Watts) | 3000VA/2700W |
| INPUT | |
| Nominal | 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 | |
| Waveform | Pure Sinewave |
| Transfer Time | Utility to Battery : 0ms; Utility to Bypass: 4ms(Typical) |
| EFFICIENCY | |
| AC Mode | 0.9 |
| Battery Mode | 0.87 |
| ECO Mode | >94% |
| BATTERY | |
| Battery Type | 12V/7AH |
| Numbers | 8 |
| Maximum Charging Current (A) | 1 |
| Charging Voltage(Vdc) | 109.6V±1% |
| Protect | Over-voltage(14.7v) /Low-voltage(10v) |
| PROTECTION | |
| Overload | Line Mode: 105%-150%, 30s turn to bypass mode ; >150% 300ms turn to bypass mode |
| Capacity | 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°C~40°C |
| Humidity Range | 0~95% (Non-condensing) |
| Altitude | < 1500m |
| Noise Level | <50dB@ 1Meter |
| PHYSICAL | |
| Dimension | 191x468x337 |
| Net Weight (kg) | 27.4 |
| STANDARDS | |
| Safety | IEC/EN62040-1 |
| EMC | IEC/EN62040-2 |
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