Three-Phase Power
Three-phase input and output with neutral and protective earth.
ATH3X3 Series
Three-phase low frequency UPS with tower installation, pure sine wave output and external battery configuration.

Three-phase input and output with neutral and protective earth.
Pure sine wave output for connected equipment.
Multifunction LCD status display and control panel.
Constant-current / constant-voltage charging with a 1–40A charging range.
Microprocessor-controlled static bypass with synchronous switching.
RS232 and USB standard, with additional optional interfaces.
The ATH3X3 Series covers 10–200kVA with three-phase input and output, tower installation and external batteries. Rated active power ranges from 8kW to 160kW as specified for each model.
Compare capacity, dimensions and net weight across all ten models below. The specifications also include charging, protection and static bypass characteristics.
Compare all ATH3X3 Series models at a glance.
Swipe horizontally to compare all models.
| Parameter | ATH3X3-10KS | ATH3X3-20KS | ATH3X3-30KS | ATH3X3-40KS | ATH3X3-60KS | ATH3X3-80KS | ATH3X3-100KS | ATH3X3-120KS | ATH3X3-160KS | ATH3X3-200KS |
|---|---|---|---|---|---|---|---|---|---|---|
| General | ||||||||||
| Rated capacity / power | 10KVA/8KW | 20KVA/16KW | 30KVA/24KW | 40KVA/32KW | 60KVA/48KW | 80KVA/64KW | 100KVA/80KW | 120KVA/96KW | 160KVA/128KW | 200KVA/160KW |
| Installation | Tower | |||||||||
| Protection functions | Output overload, short circuit, overtemperature, battery undervoltage, output overvoltage/undervoltage and fan fault alarm | |||||||||
| Input | ||||||||||
| Wiring | L1+L2+L3+N+PE | |||||||||
| Nominal input voltage | 380/400/415 VAC (3Ph + N) | |||||||||
| Input voltage range | 304–456 VAC (Ph-Ph) | |||||||||
| Input frequency | 46–54 Hz at 50 Hz; 56–64 Hz at 60 Hz | |||||||||
| Input power factor | 0.8 | |||||||||
| Output | ||||||||||
| Wiring | L1+L2+L3+N+PE | |||||||||
| Output voltage | 380/400/415 VAC (3Ph + N) | |||||||||
| Voltage regulation | ±1% (balanced load) | |||||||||
| Output frequency | 50/60 Hz ±1% | |||||||||
| Load power factor | 0.8–1 (capacitive or inductive load) | |||||||||
| Harmonic distortion | <2% (linear load); <4% (nonlinear load) | |||||||||
| Transfer time | 0 | |||||||||
| Waveform | Pure sine wave | |||||||||
| Overload capacity | 110%: 10 min; 150%: 60 s; >160%: 200 ms | |||||||||
| Recovery time | Reaches 90% of steady-state value within 3 cycles | |||||||||
| Phase displacement | 120° ±1% (balanced load); 120° ±2% (unbalanced load) | |||||||||
| Crest factor | 3:1 | |||||||||
| Battery | ||||||||||
| Battery configuration | 32 × 12 V batteries (384 VDC); adjustable from 29 to 32 batteries | |||||||||
| Charging method | CC/CV (constant current / constant voltage) | |||||||||
| Charging current | 1–40 A | |||||||||
| Charging voltage | 432 VDC (based on 32 batteries; adjustable) | |||||||||
| Communication | ||||||||||
| Standard interfaces | RS232 / USB | |||||||||
| Optional interfaces | AS400 / RS485 / SNMP / Dry contacts / MODBUS / Intelligent slot | |||||||||
| Control panel | Multifunction LCD status display and control panel | |||||||||
| Environment | ||||||||||
| Operating temperature | −15–55°C | |||||||||
| Operating humidity | 0–95% RH (non-condensing) | |||||||||
| Altitude | <1500 m; derate above 1500 m according to GB/T 3859.2 | |||||||||
| Static Bypass | ||||||||||
| Type | Solid-state switching | |||||||||
| Rated voltage | 380/400/415 VAC (3Ph + N) | |||||||||
| Rated frequency | 50/60 Hz | |||||||||
| Control | Microprocessor control | |||||||||
| Transfer time | 0 ms (synchronous switching) | |||||||||
| Overload capacity | 50%: 1 h; 180%: 30 s; >200%: 200 ms | |||||||||
| Transfer to bypass | Immediate transfer at 160% overload | |||||||||
| Return transfer | Automatic return after alarm clearance | |||||||||
| Physical | ||||||||||
| Dimensions (D × W × H) | 653 × 405 × 820 mm | 820 × 433 × 1160 mm | 975 × 635 × 1325 mm | 1055 × 708 × 1650 mm | ||||||
| Net weight | 120 kg | 136 kg | 242 kg | 249 kg | 290 kg | 419 kg | 488 kg | 555 kg | 660 kg | |
Tell us your requirements and our team will help identify a suitable ATH3X3 Series UPS solution for your application.
Select your requirements