EVI 40000VA / 36000W Tower Online 3-Phase UPS with DSP-Controlled Double Conversion – 3-Phase Input/Output, Touch LCD, Terminal Port (EP-UPS40Y33OT)

The EVI 40000VA / 36000W Tower Online 3-Phase UPS provides industrial-grade, high-capacity power protection for mission-critical systems, data centers, and large-scale facilities. Featuring online double conversion with DSP control, 3-phase input and output, built-in batteries, and instantaneous output transfer, it ensures uninterrupted, clean, and stable power even under severe voltage or frequency fluctuations. Supporting N+X parallel redundancy for up to four units, intelligent battery management, ECO mode, and optional external battery packs, this UPS combines high reliability, flexibility, and advanced digital control. With a 7-inch touch LCD, multiple communication ports, and emergency power-off (EPO) function, it is designed for precise monitoring, scalable deployment, and extended runtime applications.

Product Features

High-Capacity 40000VA / 36000W Output

Delivers robust three-phase power for large industrial equipment, data centers, critical servers, and high-demand IT infrastructure.

Online Double Conversion with DSP Control

Provides continuous clean power by converting AC to DC and back to AC with DSP-controlled regulation, isolating connected equipment from voltage fluctuations and surges.

3-Phase Input and Output

Supports three-phase utility input and output, enabling balanced high-power distribution and optimized efficiency for industrial and commercial applications.

N+X Parallel Redundancy

Supports up to 4 UPS units in parallel for load sharing, increased reliability, and scalability to meet growing power demands.

Built-In Batteries with Optional External Packs

Includes integrated batteries for immediate backup, with support for additional external battery packs to extend runtime for critical loads.

Wide Input Voltage and Frequency Range

Accepts input voltages from 208–478V AC and input frequencies from 40–70Hz, ensuring operation under unstable utility or generator power conditions.

Instantaneous Output Transfer (0ms)

Ensures uninterrupted power supply to connected equipment with zero transfer time during switching between mains and battery.

Intelligent Charging and Fully Digital Control

Utilizes advanced digital control for charging, rectifier, and inverter functions to optimize battery performance and operational efficiency.

ECO Mode for Energy Efficiency

Reduces energy consumption during stable mains conditions without compromising protection to connected equipment.

Advanced Communication and Monitoring

Equipped with USB, RS232, RS485, parallel port, and dry contact interfaces, with optional SNMP or relay cards for network-based monitoring and control.

7-Inch Touch LCD Display

Large touch screen provides real-time monitoring of UPS status, input/output parameters, battery information, and system alerts for easy management.

Emergency Power-Off (EPO) Function

Allows rapid shutdown of the UPS and connected equipment in emergencies for safety and protection.

Terminal Port Input/Output

Supports direct high-power connections via terminal ports for industrial or large-scale installations.

Product Specifications

• Model: EP-UPS40Y33OT
• Capacity: 40000VA / 36000W
• Topology: Online Double Conversion
• Input/Output: 3-Phase
• Built-in Batteries: Yes
• Optional External Battery Pack: Supported
• Output Transfer Time: 0 ms
• Redundancy: N+X parallel, up to 4 units
• Input Voltage Range: 208–478V AC
• Input Frequency Range: 40–70 Hz
• Input Current Harmonic Distortion: 3%
• Output Power Factor: 0.9
• PFC Technology: Yes
• ECO Function: Supported
• Charging/Rectifier/Inverter Control: Fully digital
• Cold Start / DC Start: Supported
• Communication Ports: USB, RS232, RS485, parallel port, dry contact, optional SNMP/relay cards
• Display: 7” Touch LCD
• Emergency Power-Off (EPO): Yes
• Terminal Port: Input and output connections for high-power loads
• Warranty: 2 years (1 year on battery)
• Intended Use: Industrial, data center, high-capacity IT systems, critical infrastructure