Eaton 20000VA 9E20KI 20kVA Online Tower UPS

The Eaton 20000VA 9E20KI 20kVA Online Tower UPS is a high-capacity online double-conversion uninterruptible power supply engineered to provide continuous, clean, and reliable power for mission-critical applications. With a 20kVA / 16kW power capacity, it protects enterprise servers, data centers, industrial equipment, healthcare systems, and telecommunications infrastructure from power outages, voltage fluctuations, surges, and electrical disturbances. Its high operating efficiency, intelligent battery management, pure sine wave output, and support for extended battery modules make it an ideal solution for demanding business environments.

Product Features

20kVA / 16kW High Power Capacity

Delivers reliable backup power for large enterprise IT environments, industrial machinery, networking equipment, storage systems, and other high-demand applications.

Online Double-Conversion Technology

Continuously converts incoming AC power to DC and back to AC, providing stable, clean power regardless of utility power quality.

Pure Sine Wave Output

Supplies high-quality pure sine wave power suitable for sensitive electronic equipment, servers, medical devices, and industrial systems.

High Energy Efficiency

Offers up to 93% efficiency in Online mode and up to 97% efficiency in ECO mode, helping reduce energy consumption and operating costs.

LCD Monitoring Display

Features an intuitive LCD display that provides real-time information on UPS status, battery condition, input/output voltage, load level, operating mode, and alarms.

Intelligent Battery Management

Automatically performs battery testing, intelligent charging, and deep discharge protection to maximize battery life and ensure reliable performance.

Extended Battery Runtime

Supports up to four external battery modules, allowing backup runtime to be extended during prolonged power outages.

Internal Automatic Bypass

Maintains continuous power to connected equipment during maintenance or internal UPS faults, improving system availability.

Advanced Communication Interfaces

Includes USB, RS-232, remote power-off terminal, and an expansion slot for an optional network management card for remote monitoring and UPS management.

Comprehensive Equipment Protection

Protects connected equipment against overloads, short circuits, surges, voltage sags, spikes, frequency variations, and complete power failures.

Product Specifications

• Brand: Eaton
• Model: 9E20KI
• Product Type: Online Double-Conversion Tower UPS
• Capacity: 20000VA / 16kW
• Topology: Online Double-Conversion
• Input Phase: Three Phase
• Output Phase: Single Phase
• Output Waveform: Pure Sine Wave
• Input Voltage: 400V/230V AC
• Input Voltage Range: 176–276V AC (110–276V with derating)
• Input Frequency: 45–66 Hz
• Nominal Frequency: 50/60 Hz
• Input Power Factor: Greater than 0.99
• Output Voltage: 220V / 230V / 240V AC
• Output Voltage Regulation: ±2%
• Output Frequency: 50/60 Hz
• Output Power Factor:8
• Efficiency: Up to 93% (Online Mode), Up to 97% (ECO Mode)
• Display: LCD Status Display
• Communication Ports: USB (HID), RS-232, Remote Power-Off Terminal
• Communication Slot: One Optional Communication Card Slot
• Battery Type: Sealed Lead-Acid
• Battery Quantity: 40 × 12V Batteries
• Battery Management: Automatic Battery Test, Intelligent Charging, Deep Discharge Protection
• Extended Battery Support: Yes (Up to 4 External Battery Modules)
• Internal Bypass: Yes
• Input Connection: Hardwired
• Output Connection: Hardwired
• Noise Level: Less than 55 dB
• Operating Temperature: 0°C to 40°C
• Operating Humidity: 0%–95% Non-Condensing
• Maximum Operating Altitude: 3,000 m
• Dimensions (H × W × D):5 × 350 × 706 mm
• Weight: Approximately 160 kg
• Applications: Data Centers, Enterprise Servers, Network Infrastructure, Telecommunications, Industrial Automation, Healthcare Facilities, Manufacturing Plants, Financial Institutions, Security Systems, and Mission-Critical Business Operations