
Honest engineering for professional projects. 100% in-house PCBA production, 1-hour full-load burn-in testing, and premium components from TI and Infineon. We show you the internal teardown because we have nothing to hide.

Model | TT-33-10KS | TT-33-10KVA | TT-33-20KS | TT-33-20KVA | TT-33-30KS | TT-33-40KVA | |
Rated Power | 10kVA/9kW | 20kVA/18kW | 30kVA/27kW | 40kVA/36kW | |||
Input | Voltage Range | 207-475Vac 3P4W+G | |||||
Working Frequency Range | 40-70Hz (settable) | ||||||
Input Power Factor | ≥0.99 | ||||||
Output | Rated Voltage and Accuracy | 346 / 360 / 380 / 400 / 415Vac(1±1%) 3P4W+G | |||||
Output Frequency | 46-54Hz synchronize with mains power; 50Hz (Mains power between 40-46Hz and 54-60Hz); 50Hz(Battery) | ||||||
Rated Current | 15A | 30A | 45A | 61A | |||
Output Power Factor | 90.00% | ||||||
Output Harmonic Wave | ≤3% (Full R Load) | ||||||
Crest Factor | 3:1 | ||||||
Output Overload | 105%+5% | ||||||
125%+5% | |||||||
Load>150%+5%: Convert to bypass output and alarm after 300ms. | |||||||
Conversion time between Mains Power and Battery | 0ms | ||||||
Efficiency | >92% | >91% | |||||
Battery | Rated Voltage | 192 / 240Vdc | ±192 / 240Vdc | ||||
Quantity | 16 / 20 pcs | 32 / 40 pcs | |||||
Charging Current | 5.5A | 1A | 7.5A | 1A | 5.5A | ||
| Dimensions(LxWxH)mm | 533x260x490 | 560x260x717 | 710x260x717 | 710x260x717 | ||
| Weight | 26 kg | 72 kg | 58 kg | 98 kg | 62 kg | 63.5 kg |
| Working Temperature | 0°C~40°C | |||||
| Working Humidity | 20%~95%(non-condensing) | |||||
| Noise Level (dB) | ≤60dB | |||||