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EA900 Pro RT 1kVA-3kVA Online Transformless UPS
The EA900 Pro RT 1kVA–3kVA is an advanced online transformerless Uninterruptible Power Supply (UPS) system designed to provide efficient and reliable power protection. This product employs advanced online double-conversion technology with a transformerless design falling under the transformerless UPS category, ensuring continuous and stable power supply to critical equipment.
Product Description
The EA900 Pro RT 1kVA–3kVA, as an advanced online transformerless UPS system, combines advanced technology with comprehensive protection features, offering users a reliable power protection solution to ensure critical equipment receives a stable and dependable power supply at all times.
Features
- 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: 0.9
- Wide input voltage range (110 V~300Vac) and frequency range (40~70 Hz)
- Auto-sensing frequency
- 50/60Hzfrequency conversion
- Cold start
- Rear ventilation design and variable-speed fan
- Effective software and hardware protection
- Quick and stable charging, 90% capacity restored in 3 hours (standard model UPS)
- Linear derating in low voltage input reduces battery discharging times.
- Settable delayed start when power is restored
- Hot-swappable battery
- Advanced battery management (ABM)
- Multiple functions are settable via LCD: output voltage, EOD, auto-start, bypass mode, ECO mode, and frequency conversion mode.
- Multi-platform communications: RS232 (standard), USB, RS485/SNMP/dry contacts (optional)
- Optional USB, RS485 card, AS400 dry contacts, SNMP card, SMS alarms, EPO function, MBS (External maintenance bypass switch)
Rear Panel
Product Specification
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MODEL |
EA901PRT |
EA902PRT |
EA903PRT |
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Capacity |
1kVA/900W |
2kVA/1800W |
3kVA/2700W |
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INPUT |
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Rated voltage |
208/220/230/240Vac |
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Voltage range |
110~176Vac (linear derating between 50% and 100% load); 176~280Vac (no derating); |
280~300Vac (derating 50%) |
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Frequency |
40~70Hz(auto-sensing) |
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Power factor |
≥ 0.99 |
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Bypass voltage range |
- 25%~+15% settable |
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Total harmonic distortion |
≤ 6% |
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OUTPUT |
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Voltage |
208/220/230/240Vac (settable via LCD) |
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Voltage regulation |
±1% |
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Frequency |
45~55Hz or 55~65Hz(synchronized range); 50/60Hz±0.1Hz(battery mode) |
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Waveform |
Sinusoidal |
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Power factor |
0.9 |
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Total harmonic distortion (THDv) |
≤ 2% (linear load), ≤ 5% (non-linear load) |
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Crest factor |
3:1 |
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Overload |
105%~125% for 1min, 125%~150% for 30s, > 150% for 300ms |
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BATTERIES |
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DC voltage |
24V (S) |
36V (S) |
36V (H) |
48V (S) |
72V (S) |
72V (H) |
72V (S) |
96V (S) |
96V (H) |
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Inbuilt battery |
2x9Ah |
3x7Ah |
/ |
4×9Ah |
6x7Ah |
/ |
6×9Ah |
8×7Ah |
/ |
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Charging current (max.) |
1A |
6A |
1A |
6A |
1A |
1A |
6A |
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Recharge time |
Standard model: 90% capacity restored in 3hours; Long time model: depend on the capacity of battery |
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SYSTEM |
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Efficiency |
≥ 90% (Mains mode) ≥ 85% (Battery mode) ≥ 95% (ECO mode) |
≥ 91% (Mains mode) ≥ 86% (Battery mode) ≥ 96% (ECO mode) |
≥ 92% (Mains mode) ≥ 87% (Battery mode) ≥ 97% (ECO mode) |
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Transfer time |
Mains mode to battery mode: 0ms Inverter mode to bypass mode: 4ms (typical) |
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Protections |
Short-circuit, overload, overtemperature, battery discharge protection and fan testing protection |
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Communications |
RS232 (standard), USB/RS485/dry contacts/SNMP (optional) |
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Display |
LCD + LED |
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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 |
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OTHERS |
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Operating temperature |
0℃~40℃ |
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Storage temperature |
- 25~55°C (without batteries) |
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Relative humidity |
0~95% (non-condensing) |
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Altitude |
≤ 1000m, derating 1% for each additional 100m |
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IP rating |
IP 20 |
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Noise level at 1m |
≤ 50dB |
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Dimensions (W×D×H) (mm) |
440x338x88 |
440x430x88 |
440x468x88 |
440x430x88 |
440x560x88 |
440x468x 88 |
440x560x88 |
440*468*88(UPS) 440*468*88(BAT) |
440x468x88 |
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Packaged dimensions (W×D×H) (mm) |
545x428x194 |
545x560x201 |
545x592x201 |
545x560x201 |
545x690x201 |
545x592x201 |
545x690x201 |
592*545*198(UPS) 597*545*198(BAT) |
545x592x201 |
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Net weight (kg) |
10.6 |
15.5 |
7.6 |
18.7 |
25.6 |
9.7 |
26.8 |
9.45(UPS) 27.2(BAT) |
10.1 |
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Gross weight (kg) |
11.3 |
18.6 |
11.1 |
21.8 |
25.8 |
13.2 |
29.7 |
12.97(UPS) 30.2(BAT) |
13.6 |
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* Derate capacity to 70% in CUCF mode and to 90% when the output voltage is adjusted to 208Vac.
