Mercury MDC3320s Online UPS – 20KVA/20KW 3-Phase UPS with USB/RS232/RS485

Mercury MDC3320s Online UPS – 20KVA/20KW 3-Phase UPS with USB/RS232/RS485

The Mercury MDC3320s Online UPS is built for large-scale environments that demand maximum uptime and power reliability. With a мощ capacity of 20KVA / 20KW and a unity power factor of 1.0, it delivers full output power to support high-load infrastructure such as data centers, industrial equipment, and enterprise IT systems.

Designed with true online double-conversion technology, this UPS continuously conditions incoming power to provide a clean and stable output. It ensures zero transfer time during power interruptions, protecting critical equipment from voltage fluctuations, surges, and electrical disturbances.

The system operates on a ±120VDC battery configuration using a dual battery bank (2 × 20 × 12V / 9Ah), providing extended backup runtime and enhanced reliability. Terminal-based input, output, and battery connections allow for secure, scalable, and professional installation.

For advanced monitoring and integration, the UPS is equipped with USB, RS232, and RS485 communication interfaces, enabling real-time system management, diagnostics, and controlled shutdown of connected equipment.

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Product Key Features

20KVA / 20KW Capacity with 1.0 Power Factor

Delivers full real power output for high-demand enterprise and industrial applications.

3/3 Phase Configuration

Supports three-phase input and output for balanced load distribution and improved efficiency.

Online Double-Conversion Technology

Ensures uninterrupted, clean power with zero transfer delay.

±120VDC Dual Battery System

Utilizes 2 × 20 batteries (9Ah each) for extended runtime and operational reliability.

Terminal-Based Connections

Provides secure input, output, and battery connections for professional installations.

Advanced Communication Interfaces

Includes USB, RS232, and RS485 for monitoring, integration, and system control.

Enterprise-Grade Design

Engineered for data centers, industrial systems, and critical infrastructure.

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Benefits

• Ensures continuous power for mission-critical operations
• Protects sensitive equipment from electrical disturbances
• Supports large-scale systems with high power requirements
• Enables advanced monitoring and system integration
• Improves operational reliability in enterprise environments

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How to Use

1. Install the UPS in a controlled and well-ventilated environment.
2. Connect input, output, and battery terminals according to installation guidelines.
3. Configure the battery system as specified.
4. Power on the unit and allow batteries to charge fully.
5. Connect communication interfaces (USB, RS232, or RS485) for monitoring if required.
6. Ensure the load is balanced and within the UPS capacity.

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Compliance Statement

The Mercury MDC3320s Online UPS is designed for professional and industrial use, supporting standard electrical safety, installation, and operational practices for high-capacity power systems.

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Technical Specifications

• Model: Mercury MDC3320s Online UPS
• Capacity: 20KVA / 20KW
• Power Factor: 1.0
• Phase: 3/3 Phase
• Type: Online Double-Conversion UPS
• Battery: ±120VDC (2 × 20 × 12V / 9Ah batteries)
• Input/Output: Terminal connections
• Communication: USB, RS232, RS485
• Application: Data centers, industrial systems, enterprise IT infrastructure

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Conclusion

The Mercury MDC3320s Online UPS is a powerful and scalable solution for large-scale operations that require dependable and uninterrupted power. With its three-phase design, high capacity, and advanced communication capabilities, it is ideal for safeguarding critical systems and ensuring operational continuity in demanding environments.