| Inverter Model | A3-30220R |
| DC Input | |
| Rated Input Voltage (Vdc) | 216V |
| Rated Input Current (A) | 13.6A |
| DC Input Range (Vdc) | 180-288V |
| AC Bypass Input | |
| Bypass Voltage Range (Vac) | 170V-280V (±5V) |
| Rated Input Current (A) | 13.6 |
| Input Frequency | 50Hz/60Hz (Optional via settings) |
| AC Output | |
| Capacity (VA) | 3KVA |
| Rated Output Capacity (W) | 3000W |
| Power Factor (PF) | 0.99 |
| Output Voltage and Frequency | 220Vac 50Hz/60Hz |
| Output Current (A) | 13.6 |
| Voltage Accuracy (V) | 220/230/240VAC ±3% |
| Frequency Accuracy (Hz) | 50±1% or 60±1% (Optional via settings) |
| Waveform | Pure Sine Wave |
| Standby Power Consumption | 30W |
| THD | ≤3% (Linear load) |
| Dynamic Response Time | ≤5% (Load change 0% ↔ 100%) |
| Overload Capability | ≥101% for 60s; ≥120% for 10s; ≥140% for 3s; Overload shutdown does not cut utility bypass; recovers automatically 30s after load drops below 100%. |
| Peak Power (Surge Capability) | 2 times rated power for 3 seconds |
| Inverter Efficiency | 94% |
| Inverter ↔ Bypass Transfer Time | ≤5ms |
| General Information | |
| Dielectric Strength (Input & Output) | 1500Vac, 1 minute |
| Noise (1m) | ≤40dB |
| Ambient Temperature | -40℃ ~ +50℃ |
| Humidity | 0 ~ 90%, non-condensing |
| LCD Display | Battery voltage, battery level, input voltage, output voltage, output frequency, input frequency, load ratio, output status |
| Inverter Status Indicators | Battery voltage, battery level, input voltage, output voltage, output frequency, input frequency, load ratio, output status, Battery Under & Over Voltage, Output Overload |
| Protective Functions | Input under-voltage, input over-voltage, output overload, short circuit, battery over-voltage protection, battery under-voltage protection |
| Dimensions (W×D×H) (mm) | Standard 19” Rack mount, 482 X 414 X 88 mm |
A pure sine wave inverter provides clean, stable, and harmonic-free AC output that matches or exceeds standard grid quality. This protects sensitive communication, data, and audio equipment from electrical noise, interference, and potential malfunctions.
The system supports two main modes: DC-dominated mode, which prioritizes the battery/DC system and switches to AC bypass dynamically on a fault; and AC-dominated mode, which defaults to the AC mains and switches to the inverter instantly upon a grid outage.
The switching delay is exceptionally short (≤5 milliseconds). This ensures seamless system operation and keeps critical connected loads online without power interruption or reboot issues.
Yes, it features a standard 19-inch rack-mount chassis (482mm width) with a compact 2U height (88mm), making it easy to integrate into standard telecom and IT racks.
The inverter includes full automatic protection against DC input reverse polarity, over-voltage, low voltage, output short-circuits, overload, and high temperatures, ensuring reliable performance in harsh industrial environments.
The inverter is designed to operate very quietly, keeping noise levels under ≤40dB at a 1-meter distance, which is ideal for office, laboratory, and control room environments.