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Member Since 14 Years
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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 (110V ~ 300Vac) 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 3 h (standard model UPS)
● Linear derating in low voltage input reducing battery discharging times
● Settable delayed start when power is restored
● Advanced battery management (ABM)
● Multiple functions 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)
MODEL | EA901PSRT | EA901PHRT | EA902PSRT | EA902PHRT | EA903PSRT | EA903PHRT | |||
Capacity | 1KVA / 900 W | 2 KVA / 1800 W | 3 KVA / 2700 W | ||||||
INPUT | |||||||||
Rated voltage | 208 V / 220 V / 230 V / 240 Vac | ||||||||
Voltage range | 110 ~ 176 Vac (linear derating between 50% and 100% load); 176 ~ 280 Vac (no derating); 280 ~ 300 Vac (derating 50%) | ||||||||
Frequency | 40 ~ 70 Hz (auto-sense) | ||||||||
Power factor | ≥ 0.99 | ||||||||
Bypass voltage | -25% ~ +15% (settable) | ||||||||
OUTPUT | |||||||||
Voltage | 208 V / 220 V / 230 V / 240 Vac (settable via LCD) | ||||||||
Voltage regulation | ± 1% | ||||||||
Frequency | 45 ~ 55 Hz or 55 ~ 65 Hz (synchronized range); 50 / 60 Hz ± 0.1 Hz (battery mode) | ||||||||
Waveform | Sinusoidal | ||||||||
Crest factor | 3:1 | ||||||||
Harmonic distortion | ≤ 2% (linear load); ≤ 5% (non-linear load) | ||||||||
Transfer time | Mains mode to battery mode: 0 ms | ||||||||
Overload capacity | 105% ~ 125%: transfer to bypass in 1 min; | ||||||||
EFFICIENCY | |||||||||
Mains mode | ≥ 90% | ≥ 91% | ≥ 92% | ||||||
Battery mode | ≥ 85% | ≥ 86% | ≥ 87% | ||||||
ECO mode | ≥ 95% | ≥ 96% | ≥ 97% | ||||||
BATTERIES | |||||||||
DC voltage | 24 V | 36 V | 36 V | 48 V | 72 V | 72 V | 72 V | 96 V | 96 V |
Inbuilt battery | 2 × 9 Ah | 3 × 7 Ah | / | 4 × 9 Ah | 6 × 7 Ah | / | 6 × 9 Ah | 8 × 7 Ah | / |
Charging current (max.) | 1A | 6 A | 1 A | 6 A | 1 A | 6 A | |||
Recharger time | 8 h | ||||||||
ALARMS | |||||||||
Utility failure | 4 s per beep | ||||||||
Low battery | 1 s per beep | ||||||||
Overload | 1 s twice beep | ||||||||
UPS fault | Long beep | ||||||||
COMMUNICATIONS | |||||||||
RS232 (standard) / USB (option) | Supports Windows®98/2000/2003/XP/Vista/2008/Windows® 7/8 / 10 | ||||||||
SNMP (optional) | Power management from SNMP manager and web browser | ||||||||
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Vazhakkala, Kochi, Kerala 
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