Ø High frequency and true double-conversion
Ø DSP (Digital signal processors) control technology
Ø Input power factor correction (PFC)
Ø Output power factor 0.9
Ø Wide input voltage range (50~ 150 Vac)
Ø Auto sensing frequency
Ø 50/60Hz frequency conversion
Ø Cold start
Ø Effective software and hardware protection
Ø Linear derating in low voltage input reducing battery discharging times
Ø Fan speed varies intelligently with temperature, reducing noise and extending its service life
Ø Settable delayed start when power is restored
Ø Use lithium battery
● High reliability, high power and energy density
● Providing greater autonomy (15 min at full load for standard model UPS)
● Long cycle life (≥ 2000 cycle times)
● Greater performance at high/low temperature
Ø Advanced battery management (ABM)
Ø Rotatable display panel
Ø Multi-platform communications: RS232(standard), USB/RS485/SNMP/dry contacts (optional)
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MODEL |
EA901SRT |
EA902SRT |
EA903SRT |
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Capacity |
1 kVA / 900 W |
2 kVA / 1800 W |
3 kVA / 2700 W |
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INPUT |
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Rated voltage |
100 / 110 / 115 / 120 / 127 Vac |
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Voltage range |
50~ 80Vac (linear derating between 50% and 100% load); 80~ 150 Vac (no derating); |
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Frequency |
45 ~ 55Hz ± 0.5% or 55 ~ 65Hz ± 0.5% (auto-sense) |
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Power factor |
≥ 0.98 |
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Bypass voltage range |
(90 ~ 140) ±5Vac |
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Total harmonic distortion (THDi) |
≤ 6% |
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OUTPUT |
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Voltage |
100 / 110 / 115 / 120 / 127 Vac (settable via LCD) |
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Voltage regulation |
± 1% |
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Frequency |
Synchronized with utility in mains mode; 50 / 60 ± 0.2Hz in battery mode |
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Waveform |
Sinusoidal |
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Power factor |
0.9 |
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Total harmonic distortion (THDv) |
≤ 3% (linear load); ≤ 5% (non-linear load) |
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Crest factor |
3:1 |
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Overload |
105% ~ 150% for 30s, > 150% for 300 ms |
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BATTERIES |
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Battery type |
Lithium iron phosphate Battery |
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DC voltage |
25.6 V |
51.2 V |
76.8 V |
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Inbuilt battery |
8 × 3.2 V/12 Ah |
16 × 3.2 V/12 Ah |
24 × 3.2 V/12 Ah |
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Charging current (max.) |
1 A |
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Recharger time |
Standard model: 90% capacity restored in 11 hours |
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SYSTEM |
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Efficiency |
≥ 90% (Mains mode) |
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≥ 87% (Battery mode) |
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≥ 94% (ECO mode) |
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Transfer time |
Mains mode to battery mode: 0 ms Inverter mode to bypass mode: 4 ms (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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OTHERS |
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Operating temperature |
0℃ ~ 40℃ |
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Storage temperature |
-25°C ~ 55°C (without batteries) |
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Relative humidity |
20~90% (non-condensing) |
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Altitude |
≤ 1000 m, derating 1% for each additional 100 m |
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IP rating |
IP 20 |
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Noise levelat 1m |
≤ 50dB |
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Dimensions (W × D × H) (mm) |
440× 468×88 |
440 × 583 × 88 |
440 × 683 × 88 |
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Packaged dimensions (W×D×H) (mm) |
580×590×200 |
545 × 707 × 201 |
545 × 807 × 201 |
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Net weight(kg) |
12 |
19 |
25 |
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Gross weight(kg) |
13.5 |
23 |
29 |
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Established in 1989, 2.329 billion CNY registered capital, East is an Excellent Listed Company (stock code 300376) and a global 5G+ Digital Industry and Smart Energy System Solutions Provider. As a focused high-tech enterprise in The Nation Class Lighted Torch Plan, East is National technology innovation demonstration enterprises, Global Top 500 new energy enterprises, and the Winner of National May 1st Labor Award. With 268 representative offices around China. East’s service has spread in more than 140 countries’ partners and customers around the world.
East is engaging in 3 strategic business sectors covering 5G+ smart energy(UPS/EPS power supply, 5G base station power supply, rail transit power supply, military power supply), big data(cloud computing/edge computing data center, IT infrastructure), smart energy(photovoltaic inverters, wind energy converters and power generation systems, lithium batteries and energy storage systems, charging pile modules and systems, micro-grid network and smart distribution network), and is a provider of global digital industry and smart energy integrated solution.
