EAST stock code: 300376

EA990 G4 20 - 60 kVA (3:3) (208V)

Characteristics Technical Specifications Documents

● Advanced dual-core DSP control technology and 3-level technology

● Output power factor 1.0

● Active Power Factor Correction Technology, input power factor up to 0.99

● System efficiency improved to 94%, energy saving rate is doubled

● Working efficiency up to 98% in ECO mode

● Dual input design, supporting independent bypass

● Advanced digital and parallel technology, providing higher reliability than single system

● Wide input voltage range, 50 / 60 Hz auto-sensing frequency

● 50 Hz / 60 Hz frequency conversion mode

● Compact internal layout, small footprint

● Fan speed varies intelligently with temperature, reducing noise and extending its service life

● Features strong fault tolerance, one fan damaged takes 50% of the load, two fans damaged take 30% of the load

● Conformal coating technology to make UPS operate in harsh environment for a long time

● Effective hardware and software protection, robust self-diagnosis function, abundant event log for future check

● Linear downgrading in low voltage input reducing battery discharging times

● Flexible battery configuration setting, selectable battery numbers: 16 ~ 24 pcs

● Digitally controlled charger (Max.36 A )

● Ability to switch on the UPS by battery in the absence of mains power (Cold start)

● Zero switching time for UPS power supply mode when the mains power is unstable, ensuring the output is uninterrupted

● Settable delayed start time when mains power is restored

● 5 inches LCD colorful touch screen, friendly human & machine interface

● Powerful background software for parameters configuration and online upgrade

● Advanced multi-platform communication for UPS monitoring: RS232, USB, RS485, RJ45, dry contacts, SNMP card, Wi-Fi card and GPRS card

● Intelligent battery management, automatic equalized and float charging control, charger dormancy control, improving the reliability of charger and extending the battery life

● Options and accessories: RS232, USB, RS485, NET, parallel, LBS, dry contacts, EPO and battery temperature compensation interfaces supplied; optional SNMP card, Wi-Fi card, GPRS card, battery temperature sensor, EMD detector and SMS alarms



Model EA9920 EA9930 EA9940 EA9950 EA9960
Capacity 20 kVA/20 kW
30 kVA/30 kW
40 kVA/40 kW
50 kVA/50 kW
60 kVA/60 kW
INPUT
Input wiring 
Three-phase five-wire (3Φ + N + PE)
Rated voltage
190 / 208 / 220 Vac
Voltage range
166 ~ 277 Vac (no downgrading), 114 ~ 166 Vac (linear downgrading between 40% ~ 100% load)
Rated frequency
50 / 60 Hz (auto-sensing)
Frequency range
40 ~ 70 Hz
Power factor
≥ 0.99
Bypass voltage range
-40% ~ +25% (settable)
Total harmonic distortion (THDi)
≤ 3%
OUTPUT
Output wiring 
Three-phase five-wire (3Φ + N + PE)
Rated voltage 
190 / 208 / 220 Vac
Voltage regulation  
±1%
Frequency 
Synchronized with utility in mains mode, 50 / 60 Hz ± 0.1% in battery mode
Waveform
Sinusoidal
Power factor 
1
Total harmonic distortion (THDv)
≤ 2% (linear load);  ≤ 5% (non-linear load)
Crest factor
3:1
Overload
105% ~ 110% for 60 min, 110% ~ 125% for 10 min, 125% ~ 150% for 1 min, > 150% for 0.2 s
BATTERIES
DC voltage

± 120 Vdc (± 96 ~ ± 144 Vdc settable)

Number of battery

20 pcs (16 ~ 24 pcs settable);

20 kVA built-in battery: 40 pcs 9 Ah/12 V, 60 pcs 9 Ah/12 V optional;

30 kVA built-in battery: 60 pcs 9 Ah/12 V;


Charging current (max.)
12 A
24 A
36 A
Recharge time
Depend on the capacity of battery
SYSTEM
Efficiency
Max. 94% in online mode, 98% in ECO mode
Transfer time
0 ms
Protections
Short-circuit, overload, overtemperature, excessive low battery,  overvoltage, undervoltage, fans failure
Max. number of parallel connections
4
Communications 

Standard configuration: RS232, USB, RS485, RJ45, dry contacts;


Optional configuration: SNMP card, Wi-Fi card, GPRS card
Display 
5 inches colorful LCD touch screen
OTHERS
Operating temperature
0℃ ~ 40℃
Storage temperature
-25℃ ~ 55℃ (without battery)
Relative humidity 
0% ~ 95% (non-condensing)
Altitude 
≤ 1000 m; above 1000 m, downgrading 1% for each additional 100 m
IP rating 
IP 20
Noise level at 1 m
≤ 65 dB
Dimensions (W × D × H) (mm)
360 × 850 × 885

360 × 850 × 1035

360 × 850 × 1200
440 × 850 × 1200
Packaged dimensions (W × D × H) (mm)
450 × 940 × 1055

450 × 940 × 1205

450 × 940 × 1370
530 × 940 × 1370
Net weight (kg)

95 (w/o BAT)

195 (w BAT)

130.5 (w/o BAT)

260 (w BAT)

156
198
Gross weight (kg)

110 (w/o BAT)

210 (w BAT)

145 (w/o BAT)

275 (w BAT)

172
218.5


EA990 G4 20 - 60 kVA (3:3) (208V) Datasheet - PDF



 
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