Features:
• High frequency online double conversion technology
• DSP (Digital signal processors) control technology
• Active power factor correction (APFC), input power factor up to 0.99
• Output power factor 0.9/1.0
• Wide input voltage range (110 V ~ 300 Vac) and frequency range (40 ~ 70 Hz)
• 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 3h (standard model UPS)
• Linear derating in low voltage input reducing battery discharging times
• Settable delayed start when power is restored
• Hot-swappable battery
• Advanced battery management (ABM)
• Multiple functions settable via LCD: output voltage, EOD, auto-start, bypass 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)
The EA903HRT (Long Back-Up Model) is a high-performance Online Double Conversion UPS Unit designed to provide reliable and extended power protection for critical equipment. Engineered with a dedicated Battery Bank, this model ensures longer back-up time during power interruptions, making it ideal for applications that require continuous and stable power supply. Its advanced design delivers clean and consistent output, protecting sensitive devices such as servers, network systems, data centers, industrial machinery, and medical equipment from power fluctuations, surges, and outages. The EA903HRT guarantees efficient power management, seamless operation, and peace of mind for businesses that cannot afford downtime.



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