
EA900RT 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
● Hot-swappable battery
● 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 | EA901RT | EA902RT | EA903RT | |
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: 0ms Inverter mode to bypass mode: 4ms (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 | |||
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) | 440x316x88 | 440x430x88 | 440x560x88 | |
Packaged dimensions (W×D×H)(mm) | 545x428x194 | 545x560x201 | 545x690x201 | |
Net weight (kg) | 9 | 15.2 | 20.8 | |
Gross weight (kg) | 9.7 | 18.3 | 23.7 | |
● 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
EA900RT Li 1-3kVA (220V) Datasheet - PDF






