
EA900 Li 1-3kVA (220V)
● High frequency on-line double conversion technology
● DSP (Digital signal processors) control technology
● Active power factor correction (APFC), input power factor up to 0.99
● Output power factor 1.0
● Wide input voltage range (110 ~ 300 Vac) and frequency range (40 ~ 70Hz)
● Auto sensing frequency
● 50/60Hz frequency conversion
● Cold start
● Rear ventilation design and variable speed fan
● Effective software and hardware protection
● Quick and stable charging, 90% capacity restored in 8h (standard model UPS)
● Linear derating in low voltage input reducing battery discharging times
● Settable delayed start when power is restored
● Advanced battery management (ABM)
● Multiple functions settable via LCD: output voltage, EOD, auto-start, bypass mode
● Multi-platform communications: RS232 (standard), USB/RS485/SNMP/dry contacts (optional)
Available Options
● Optional USB, RS485 card, AS400 dry contacts, SNMP card, SMS alarms, EPO function, MBS (External maintenance bypass switch)
MODEL | EA901 | EA902 | EA903 |
Capacity | 1kVA/1kW | 2kVA/2kW | 3kVA/3kW |
INPUT | |||
Rated voltage | 208/220/230/240Vac | ||
Voltage range | 110~176Vac (linear derating between 50% and 100% load); 176~280Vac (no derating); 280~300Vac (derating 50%) | ||
Frequency | 40~70Hz (auto-sensing) | ||
Power factor | ≥0.99 | ||
Bypass voltage range | -25%~+15% (settable) | ||
Total harmonic distortion (THDi) | ≤6% | ||
OUTPUT | |||
Voltage | 208/220/230/240Vac (settable via LCD) | ||
Voltage regulation | ±1% | ||
Frequency | 45~55Hz or 55~65Hz (synchronized range); 50/60Hz±0.1Hz (battery mode) | ||
Waveform | Sinusoidal | ||
Power factor | 1.0 | ||
Total harmonic distortion (THDv) | ≤2% (linear load), ≤5% (non-linear load) | ||
Crest factor | 3:1 | ||
Overload | 105%~125% for 1min, 125%~150% for 30s, >150% for 300ms | ||
BATTERIES | |||
Battery type | Lithium iron phosphate battery | ||
DC voltage | 25.6V (S) | 51.2V(S) | 76.8V(S) |
Inbuilt battery | 8×3.2V/8.7Ah | 16×3.2V/8.7Ah | 24×3.2V/8.7Ah |
Charging current (max.) | Standard model:1A | ||
Recharge time | Standard model: 90% capacity restored in 8 hours | ||
SYSTEM | |||
Efficiency | ≥90% (Mains mode) | ≥91% (Mains mode) | ≥92% (Mains mode) |
≥85% (Battery mode) | ≥86% (Battery mode) | ≥87% (Battery mode) | |
≥95% (ECO mode) | ≥96% (ECO mode) | ≥97% (ECO mode) | |
Transfer time | Mains mode to battery mode: 0 ms Inverter mode to bypass mode: 4 ms (typical) | ||
Protections | Short-circuit, overload, overtemperature, battery discharge protection and fan testing protection | ||
Communications | RS232 (standard), USB/RS485/dry contacts/SNMP (optional) | ||
Display | LCD+LED | ||
Standards | EN 62040-1, EN 62040-2, EN 61000-3-2, EN 61000-3-3, IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 61000-4-8, IEC 61000-4-11, IEC 61000-2-2, IEC 62040-2, IEC 62040-1, IEC 62040-3 | ||
OTHERS | |||
Operating temperature | 0℃~ 40℃ | ||
Storage temperature | -25°C ~ 55°C (without batteries) | ||
Relative humidity | 0 ~ 95% (non-condensing) | ||
Altitude | ≤ 1000m, derating 1% for each additional 100m | ||
IP rating | IP20 | ||
Noise level at 1m | ≤50dB | ||
Dimensions (W×D×H) (mm) | 144×312×216 | 144×417×216 | 191×419×335 |
Packaged dimensions (W×D×H) (mm) | 230×402×315 | 230×506×315 | 277×500×435 |
Net weight (kg) | 9.4 | 12.9 | 18.3 |
Gross weight (kg) | 10.4 | 14.3 | 19.9 |
● Derate capacity to 70% in CUCF mode and to 90% when the output voltage is adjusted to 208 Vac
● S means standard model
● All specifications are subject to change without notice
● Custom-made specifications are acceptable
EA900 Li 1-3kVA (220V) Datasheet - PDF






