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Low Frequency Online UPS | WTHD-U- 3380 | WTHD-U- 33100 | WTHD-U- 33120 | |||
Rated capacity ( KVA/KW ) | 80/64 | 100/80 | 120/96 | |||
Phase | Three-phase five-wire (3L+N+PE) | |||||
Main Input | Input Voltage (Vac) | 380/400/415 | ||||
Voltage Range (Vac) | ±25% | |||||
Frequency range (Hz) | 45~65 | |||||
Power factor | >0.95 (with filter) | |||||
Bypass Input | Phase | Three-phase five-wire (3L+N+PE) | ||||
Input Voltage (Vac ) | 380/400/415 | |||||
Voltage range (Vac) | +10%, +15%, +20% (can be set); -10%, -20%, -30% (can be set) | |||||
Input Frequency (Hz) | 50 (60) +10% | |||||
Output | Voltage (Vac) | 380/400/415 ±1% | ||||
Power factor | 0.8 | |||||
Frequency (Hz) | Automatically track bypass frequency | |||||
Waveform | Sine wave THDV less than 2% (pure linear load) | |||||
Switching time (ms) | 0ms | |||||
Overall efficiency | ≥93% | |||||
Overload capacity | 105%~110%: 60min to bypass; 110%~125%: 10 min to bypass; 125%"150%: 1 min to bypass; >150%: 10s to bypass | |||||
Battery | Battery voltage (Vac) | 384 (348/360 optional ) | ||||
Environment | Operating temperature (°C) | -10~40 | ||||
Storage temperature (°C) | -25^55(without battery) | |||||
Relative humidity | 0~95% (no frosting) | |||||
Working altitude | < 1500m, use derating according to GB/T3859.2 | |||||
Noise (dB) | <55(1 meter from the device) | <60(1 meter from the device) | ||||
Other features | Alarm function | Output overload, mains abnormality, UPS failure, battery undervoltage, etc. | ||||
Protective function | Output short circuit, overload, over temperature, battery under voltage, output over and under voltage, fan failure alarm | |||||
Communication function | Standard: RS232/RS485 Optional: SNMP/JBUS/MODBUS/Dry Contact | |||||
Mechanical features | Dimensions (W*D*H mm) | 450*810*1160 | 700*800*1500 | |||
Net weight (kg) | 344 | 520 | 605 | |||
Executive standard | YD/T1095-2017 | |||||

















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