Eastsun Electricity Science & Technology(China) Co., Ltd.
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EST Series 10KVA-40KVA online 3 phase UPS
  • EST Series 10KVA-40KVA online 3 phase UPS

EST Series 10KVA-40KVA online 3 phase UPS

EST series 10VA~40KVA online three phase in three phase out UPS is an on-line double-conversion UPS with output isolation transformer built-in, offering high levels of reliability and performanance for all kinds of load.
Detailed description

EST series 10VA~40KVA online three phase in three phase out UPS is an on-line double-conversion UPS with output isolation transformer built-in, offering high levels of reliability and performanance for all kinds of load, not only IT systems, banking and communications, but also medical service and industrial applications, its perfect reliablity and performance make it most popular in some countries with harsh and unstable grid.


● Online double conversion with full DSP control; IGBT rectifier 
● pure sine wave output, zero transfer time 
● Suitable for all kinds of loads (resistive, inductive and non-linear loads ect.)
● High overload capability (up to 150%)
● Support battery cold start and auto-restart when mains power is restored
● High charging capability
● Standard configuration with output isolation transformer
● Superior protection (surgers, short-circuit, overvoltages, undervoltages, overcharge, overload, over tempretuer, reverse connection protection etc.)
● Advanced communications RS232(standard) 
● Optional configuration: USB ports,  SNMP, dry contacts and RS485
● Other options(parallel kits, input isolation transformer, bypass isolation transformer and harrmonic suppressor)
● Standard automatic and manual maintanance by pass
● LCD touch screen, friendly human & machine interface
● Front access makes maintenance and replacement easy 
● large capability of history records storage
● Optional input filter to improve input power factor                                    

● High efficiency 95%

● Low input distortion: THD < 5%
● Generator compatible
● High immunity to external disturbances 
● Optional N+X redundancy parallel up to 8 units
● 100% unbalance load capability


Model TT10K TT15K TT20K TT30K TT40K
Nominal capacity (KVA/KW) 10/8 15/12 20/16 30/24 40/32
battery voltage 384VDC
Charge current 6A~20A(adjustable)
 Input voltage 380V±25%
Input frequency 50/60HZ±10%
Output voltage 380V±1%
Frequency  Synchronized with utility in mains mode, 50/60HZ±1% in battery mode 
Waveform  Sine wave 
Total harmonic distortion  Linear load<3%; non-linear load<5%
Crest factor  3:1
Transfer time  0 ms
Inverter overload capability  125%10min,150% 1min
Efficiency, load 100% 95%
Protections Short-circuit, overload, overvoltage, undervoltage, low battery, overtemperature, fan fault
Operating temperature -20~40
Relative humidity 0%~90%
Running high(maximum) <1,000(each additional 100meters power fell 1% to a maximum 4,000meters)
Cooling Forced  ventilation
Noise ≤53DB(Distance 1m)   
Size 630*650*1130(W*H*D mm)