EVI 20000VA / 18000W Tower Online 3-Phase UPS

The EVI 20000VA / 18000W Tower Online 3-Phase UPS (EP-UPS20000Y33OT) is a high-capacity uninterruptible power supply engineered to deliver continuous, clean, and stable power to critical infrastructure. Designed with true online double-conversion technology, advanced DSP control, and 3-phase input/output architecture, this UPS provides superior protection against power outages, voltage fluctuations, surges, harmonics, and electrical disturbances. It is ideal for data centers, hospitals, telecommunications facilities, industrial automation systems, and large enterprise networks.

Advanced Online Double-Conversion Technology

The EVI EP-UPS20000Y33OT utilizes online double-conversion technology, ensuring that incoming AC power is continuously converted to DC and then back to pure AC power. This process completely isolates connected equipment from utility power disturbances and delivers a stable output with 0ms transfer time, guaranteeing uninterrupted operation during power failures.

Key Benefits

• Zero transfer time (0ms)
• Pure and stable power output
• Protection from voltage sags, surges, spikes, and noise
• Continuous operation for critical systems
• Enhanced equipment lifespan

Powerful 20kVA / 18kW Capacity

With a robust 20,000VA / 18,000W output capacity and an impressive 0.9 output power factor, this UPS is capable of supporting demanding IT, industrial, and commercial applications without compromising performance.

Suitable For:

• Data centers
• Server rooms
• Medical equipment
• Manufacturing facilities
• Telecommunications infrastructure
• Banking and financial institutions

Intelligent Parallel Redundancy for Maximum Reliability

The UPS supports N+X parallel redundancy and allows up to four units to operate in parallel, providing enhanced reliability, scalability, and load sharing. Organizations can increase power capacity or create redundant backup systems for maximum uptime.

Advantages

• Increased system availability
• Scalable power infrastructure
• Reduced single points of failure
• Improved operational continuity

Wide Input Voltage & Frequency Range

Designed for environments with unstable utility power, the EVI UPS supports a wide input voltage range of 208–478Vac and an input frequency range of 40–70Hz, ensuring reliable operation even under challenging power conditions.

Power Quality Features

• Power Factor Correction (PFC) technology
• Input current harmonic distortion ≤3%
• Superior energy efficiency
• Stable operation with generator power

Smart Battery Management & Extended Runtime

The integrated intelligent charging management system optimizes battery performance and extends battery life. For applications requiring longer backup durations, the UPS supports optional external battery packs to significantly increase runtime.

Battery Features

• Inbuilt battery system
• Intelligent charging technology
• DC start capability
• External battery expansion support
• Improved battery lifespan

7-Inch Touch LCD Display

The modern 7-inch Touch LCD Display provides real-time monitoring of system performance, battery status, load conditions, alarms, and operational parameters. This intuitive interface simplifies UPS management and diagnostics.

Display Information

• Input/output voltage
• Load percentage
• Battery condition
• System status
• Event logs and alarms

Comprehensive Connectivity & Remote Monitoring

The UPS is equipped with multiple communication interfaces for easy integration into existing IT and facility management systems.

Standard Ports

• USB
• RS232
• RS485
• Parallel Port
• Dry Contact

Optional Accessories

• SNMP Network Management Card
• Relay Card

These options enable remote monitoring, centralized management, and real-time notifications.

Enhanced Safety Features

The EVI 20kVA UPS incorporates advanced protection mechanisms to ensure operational safety and reliability.

Safety Functions

• EPO (Emergency Power Off)
• Overload protection
• Short-circuit protection
• Intelligent fault diagnostics
• Automatic battery protection
• Fully digital rectifier, charger, and inverter control technology

Key Specifications

• Model: EP-UPS20000Y33OT
• Capacity: 20,000VA / 18,000W
• Topology: Online Double Conversion
• Input Phase: 3-Phase
• Output Phase: 3-Phase
• Output Power Factor: 0.9
• Input Voltage Range: 208–478Vac
• Input Frequency Range: 40–70Hz
• Transfer Time: 0ms
• Input Harmonic Distortion: ≤3%
• Parallel Capability: Up to 4 Units
• Display: 7″ Touch LCD
• Communication: USB, RS232, RS485, Parallel Port, Dry Contact
• Optional Interfaces: SNMP Card, Relay Card
• Battery Support: Inbuilt Batteries + External Battery Pack Option
• Special Features: PFC, ECO Mode, DC Start, EPO
• Warranty: 2 Years UPS Warranty (1 Year Battery Warranty)

Why Choose the EVI 20000VA / 18000W Online UPS?

The EVI EP-UPS20000Y33OT combines high-capacity power protection, intelligent monitoring, scalable redundancy, and superior efficiency into a single enterprise-grade solution. Whether protecting a mission-critical data center, industrial process, or telecommunications network, this UPS delivers exceptional reliability, ensuring continuous operation and peace of mind when power quality matters most.