Product Description

The Vertiv Liebert EXS 20kVA/20kW Tower UPS is a high-performance three-phase online double-conversion uninterruptible power supply designed to protect critical IT infrastructure and industrial equipment from power disturbances. It delivers 20kVA/20kW capacity with unity power factor (1.0), ensuring maximum usable power for connected loads.

Built with a compact tower cabinet design, the Liebert EXS integrates advanced power protection, intelligent battery management, and high-efficiency operation to ensure continuous uptime for data centers, telecom networks, healthcare systems, and other mission-critical environments.

The UPS provides protection against power outages, voltage fluctuations, surges, harmonics, and frequency variations, ensuring reliable operation of critical equipment.

Vertiv Liebert EXS UPS 20kVA/20kW Tower – Specifications Table

Key Features

1. Online Double-Conversion Technology

The UPS continuously converts incoming AC power to DC and back to AC, providing clean and stable power with zero transfer time during outages.

2. Unity Power Factor (1.0)

With a 20kVA / 20kW output rating, the UPS delivers full usable power, allowing more IT equipment to be supported without oversizing.

3. High Efficiency Operation

The system achieves up to 93–96% efficiency in online mode and up to 98–99% in ECO mode, reducing energy costs and heat generation.

4. Compact Tower Design

A space-saving integrated tower cabinet simplifies installation while providing high power density for modern IT environments.

5. Intelligent Battery Management

Temperature-compensated charging and monitoring help extend battery life and ensure reliable backup power.

6. Integrated Maintenance Bypass

Allows maintenance or replacement of the UPS without shutting down connected loads.

7. Flexible Battery Runtime

Supports multiple battery strings and external battery cabinets, enabling extended runtime based on operational requirements.

8. Advanced Monitoring and Connectivity

Optional network communication cards enable remote monitoring, alarms, and management through data center management systems.

Key Specifications

• Capacity: 20kVA / 20kW

• Topology: Online Double Conversion UPS

• Input Voltage: 208/220VAC, 3-phase, 4-wire + ground

• Input Frequency Range: 40–70 Hz

• Output Voltage: 208/220VAC ±2%

• Output Power Factor: 1.0 (Unity)

• Efficiency: Up to 93–96% (Online), up to 98–99% (ECO Mode)

• Overload Capability: Up to 150% for short durations

• Battery Type: Valve-regulated lead-acid (VRLA)

• Battery Design Life: 6–8 years

• Cooling: Forced-air internal fan cooling

• Dimensions: approx. 600 × 1000 × 2000 mm

• Form Factor: Tower cabinet UPS

Applications

• Data centers and server rooms

• Banking and financial institutions

• Healthcare facilities

• Telecom and network infrastructure

• Industrial automation systems

• Retail and enterprise IT environments

Why Choose This UPS

• Delivers maximum usable power with 1.0 power factor

• High efficiency reduces operational costs

• Reliable protection against multiple power disturbances

• Flexible battery expansion for longer backup time

• Advanced monitoring and management capabilities

• Compact tower design ideal for modern IT environments