EVI 20000VA 18000W Tower Online 3 Phase UPS EP-UPS20000Y33OT

The EVI 20000VA / 18000W Tower Online 3-Phase UPS (EP-UPS20000Y33OT) is engineered to provide advanced power protection and maximum system availability for critical infrastructure. Built with true online double-conversion technology and intelligent DSP control, the UPS continuously conditions incoming power and supplies a clean, stable output to connected equipment, protecting against voltage fluctuations, harmonics, surges, and power outages.

With a capacity of 20000VA / 18000W and a high output power factor of 0.9, this UPS efficiently supports large server environments, data centers, industrial automation systems, medical equipment, security control rooms, and telecommunications networks. Furthermore, its three-phase input and output design ensures balanced power distribution and improved efficiency for high-demand installations.

The system supports N+X parallel redundancy and allows up to four UPS units to operate in parallel. As a result, organizations can increase capacity, improve fault tolerance, and maintain continuous operation even during maintenance or unexpected equipment failures. Additionally, the UPS provides zero transfer time between utility and battery operation, ensuring uninterrupted power delivery to sensitive equipment.

Advanced Power Factor Correction (PFC) technology and low input current harmonic distortion of less than 3% help improve power quality while reducing stress on electrical infrastructure. Moreover, the fully digital charging, rectifier, and inverter control architecture enhances system reliability, efficiency, and overall performance.

Designed for unstable power environments, the UPS features a wide input voltage range of 208–478Vac and an input frequency range of 40–70Hz. Consequently, it minimizes battery usage during power fluctuations while maintaining stable operation. The integrated ECO mode further improves energy efficiency when utility power conditions are stable.

The intelligent battery management system optimizes charging performance and extends battery lifespan. In addition, the UPS includes built-in batteries and supports optional external battery packs for extended runtime requirements. The DC start feature allows the UPS to start directly from battery power when utility power is unavailable.

A large 7-inch color touch LCD display provides real-time access to operating data, battery status, load information, alarms, event logs, and system settings. Furthermore, multiple communication interfaces including USB, RS232, RS485, parallel communication ports, and dry contacts enable seamless integration into modern monitoring and management platforms.

For enhanced network management, optional SNMP and relay cards provide remote monitoring, automated notifications, and advanced control functions. The Emergency Power Off (EPO) feature offers additional safety by enabling immediate shutdown during emergency situations.

Built for enterprise and industrial applications, the EVI EP-UPS20000Y33OT delivers exceptional reliability, scalability, and performance while ensuring continuous operation of critical systems.

Key Features

• 20000VA / 18000W online double-conversion UPS
• Three-phase input and output design
• Advanced DSP digital control technology
• Built-in battery system
• Zero transfer time operation
• N+X parallel redundancy support
• Supports up to 4 UPS units in parallel
• Output power factor of 0.9
• Input current harmonic distortion below 3%
• Advanced Power Factor Correction (PFC)
• Wide input voltage range: 208–478Vac
• Wide input frequency range: 40–70Hz
• Intelligent battery charging management
• Optional external battery packs for longer runtime
• ECO mode for improved efficiency
• DC start capability
• 7-inch color touch LCD display
• USB, RS232, RS485, parallel port, and dry contact interfaces
• Optional SNMP and relay card support
• Emergency Power Off (EPO) function
• Terminal block input and output connections
• Ideal for data centers, industrial facilities, healthcare systems, and telecommunications infrastructure
• 2-year UPS warranty and 1-year battery warranty

Technical Specifications

• Model: EP-UPS20000Y33OT
• Capacity: 20000VA / 18000W
• UPS Topology: Online Double Conversion
• Control Technology: DSP (Digital Signal Processor)
• Input Configuration: 3 Phase
• Output Configuration: 3 Phase
• Output Power Factor: 0.9
• Parallel Redundancy: N+X Supported
• Maximum Parallel Units: 4
• Transfer Time: 0ms
• Input Voltage Range: 208–478Vac
• Input Frequency Range: 40–70Hz
• Input Current Harmonic Distortion: <3%
• PFC Technology: Supported
• ECO Mode: Supported
• Battery System: Built-In Batteries
• External Battery Pack Support: Optional
• DC Start Function: Supported
• Communication Ports: USB, RS232, RS485, Parallel Port, Dry Contact
• Optional Interfaces: SNMP Card, Relay Card
• Display: 7-Inch Touch LCD Screen
• EPO Function: Supported
• Input Connection: Terminal Port
• Output Connection: Terminal Port
• Form Factor: Tower
• Warranty: 2 Years UPS, 1 Year Battery

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