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 display, is ideal for servers and critical IT infrastructure. The device operates efficiently in 50/60 Hz frequency conversion mode and ensures a constant, 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%: switch to bypass in 1 min; 125% - 150%: switch to bypass in 30 s; > 150%: switch 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 display
• 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 Start the UPS with Batteries
• Powerful Management Software for Parameter Configuration

Manufacturer:

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