East EA903PS UPS (tower, LCD, 3000VA/2700W)

This East uninterruptible power supply (UPS) is designed to ensure reliable power delivery and protect connected devices from power grid disturbances and voltage fluctuations. The East EA903PS model, featuring 3000VA/2700W power and a compact tower design with an LCD screen, is ideal for servers and critical IT infrastructure. The device efficiently operates in 50/60 Hz frequency conversion mode and ensures a stable, high-quality power supply in critical environments.

Product information

Input characteristics

• Capacity: 3 KVA / 2700 W
• Nominal voltage: 208 V / 220 V / 230 V / 240 Vac
• Nominal frequency: 40 ~ 70 Hz
• Power factor: ≥ 0.99
• THDI: ≤ 5%
• Bypass voltage range: -25% - +15% (settable)

Output characteristics

• 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
• THDV: ≤ 2% (linear load); ≤ 5% (non-linear load)
• Transfer time: from mains to battery mode: 0 ms; from inverter to bypass mode: 4 ms (typically)
• Inverter overload capability: 105% - 125%: transfer to bypass in 1 min; 125% - 150%: transfer to bypass in 30 s; > 150%: transfer to bypass in 300 ms

Efficiency

• Mains mode: 92%
• Battery mode: 87%
• ECO mode: 97%

Battery

• DC voltage: 72V
• Built-in standard model battery: 6 x 9 Ah
• Charging current: 1 A

Interfaces

• RS232 / RS485 / USB / dry contacts: supports Windows® 98/2000/2003/XP/Vista/2008/7/8/10
• SNMP (optional): power management via SNMP controller and web browser

Physical characteristics and environment

• Operating conditions: 0 - 40°C, 0 - 90% (non-condensing)
• Noise level: ≤ 50 dB (1m)
• Dimensions without packaging (mm) W×D×H: 191 x 418 x 332
• Dimensions with packaging (mm) W×D×H: 318 x 533 x 471
• Weight without packaging (kg): 22.5
• Weight with packaging (kg): 24
• Connectors: 4 x Schuko, 2 x RJ45, USB, RS232

Additional features

• UPS power: 3000VA / 2700W with LCD screen
• High frequency true double conversion
• Input power factor: ≥ 0.9
• 50 / 60 Hz frequency conversion mode
• Tower design
• Short circuit and overload protection
• Ability to power on UPS with batteries
• Powerful background software for parameter configuration

Manufacturer:

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