EAST stock code: 300376

EA660 LV 15-120kVA

Characteristics Technical Specifications Documents

l  Advanced dual-core DSP control technology

l  True On-line, double conversion power protection, and with strong load capacity

l  Compact footprint, modular Hot-swappable design simplifying maintenance and scalability

l  High efficiency up to 94% in on-line mode, 99% efficiency in ECO mode

l  Dual input design, independent bypass available, improving bypass availability

l  Output power factor 1.0, input power factor 0.99, input THDi ≤ 3%, output THDv ≤ 2%

l  114 ~ 277 Vac wide input voltage range, 50 Hz / 60 Hz grid self-adaptive

l  Frequency conversion available: 50 Hz input / 60 Hz output or 60 Hz input / 50 Hz output

l  Advanced digital parallel technology, improving redundancy and reliability in system

l  Flexible charger parameter and battery configuration settings, battery number 16 ~ 24 pcs selectable

l  Compatible with lead-acid battery and lithium battery, suitable for different types of battery configuration requirements

l  Support cold start with battery and auto restart with mains power

l  Settable delay time for startup when the mains power is restored, reducing the impact on the grid or generators

l  Fan speed varies intelligently with temperature, reducing noise and extending the service life of the fan

l  Fault-tolerant design for fan system, taking 35% loads when any one of fans fails

l  Superior hardware and software protection function, robust self-diagnostic function, and abundant event log

l  Hibernation function to improve the system efficiency at light loads and extend the service life of UPS

l  Powerful background software for parameters configuration and online updating

l  7 inches LCD touch screen, friendly human-machine interface

l  Multi-platform communications: RS485, CAN, NET, dry contacts, SNMP, Wi-Fi and GPRS communication interfaces; Real-time monitoring UPS available through the mobile App after installing Wi-Fi card and GPRS card

l  Intelligent battery management, automatic floating/equalizing charge control, battery self-diagnosis control, SOC detection, SOH detection and charger hibernation control, extending battery lifespan




Rated capacity

60 kVA / 60 kW

120 kVA / 120 kW

Number of power module



Rated capacity of power module

15 kVA / 15 kW


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)

Frequency range

40 ~ 70 Hz

Input power factor




Bypass input voltage range

-40% ~ +25% (settable)

Battery voltage

±120VDC(±96V,±108V,±120V,±132V,±144V settable

Number of battery

20 pcs 12 V batteries (16, 18, 20, 22, 24 pcs settable)


Output wiring

Three-phase five-wire (3Φ + N + PE)

Rated voltage

190 / 208 / 220 Vac

Output voltage regulation accuracy

± 1%

Output frequency accuracy

Synchronized with   utility in mains power mode; 50 Hz / 60 Hz ± 0.1% in battery mode

Output power factor


Output waveform distortion (THDv)

≤ 2% (linear load);  ≤ 5% (non-linear load)

Crest factor


Overload capacity

105% < load ≤ 110% for 60 min, 110% < load ≤ 125% for 10 min,

125% < load ≤ 150% for 1 min, load > 150% for 0.2 s


Max. efficiency

94% in on-line mode, 99% in ECO mode

Transfer time

0 ms

Max. number of parallel   connections



Short-circuit, overload,   over-temperature, battery low voltage, undervoltage, overvoltage, fan failure   protection


Standard configurations: RS485, CAN, NET, SNMP, dry contacts port, and EPO

Optional configurations: Wi-Fi card, parallel port, LBS port, GPRS card,   Battery temperature sensor, EMD and SMS alarms


7 inches LCD touchscreen


Operating temperature

0℃  ~ 40℃

Storage temperature

-25 ~ +55(without battery)

Relative humidity

0% ~ 95% (non-condensing)


≤ 1000m, above 1000m, derating 1% for each additional 100m

Protection level

IP 20


≤ 65 dB (at 1m)


Cabinet dimensions (W x D x H) (mm)

600 x 850 x 1200

600 x 850 x 2000

Cabinet weight (kg)



Module dimensions (W x D x H) (mm)

442 x 620 x 86

Power module weight (kg)




EA660 LV 15kVA-120kVA Datasheet - PDF

EA660 LV 15kVA-120kVA User Manual - PDF

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