Mercury MDC3320S Online UPS – 20KVA / 20KW (3/3 Phase, ±120VDC, USB/RS232/RS485 Communication)

The Mercury MDC3320S Online UPS is a heavy-duty, industrial-grade uninterruptible power supply built for mission-critical environments. With its 20KVA / 20KW capacity and true online double-conversion technology, it delivers uninterrupted, clean, and stable power for large-scale infrastructure.

Equipped with a 3/3 phase configuration, it supports demanding applications such as data centers, industrial plants, medical systems, and telecommunications. The advanced ±120VDC battery system (2 x 20 x 9Ah/12V batteries) provides extended backup time, while multiple communication interfaces (USB, RS232, RS485) ensure real-time monitoring and management.

Key Features and Benefits

1. High-Capacity Protection (20KVA / 20KW)
   Supports enterprise-level and industrial systems requiring uninterrupted power for critical operations.

2. True Online Double-Conversion Technology
   Provides seamless power delivery with zero transfer time, shielding sensitive equipment from power irregularities.

3. 3/3 Phase Configuration
   Ideal for three-phase systems, ensuring balanced and stable power distribution for high-power environments.

4. Extended Backup with ±120VDC Battery System
   Equipped with 2 x 20 x 9Ah/12V batteries, ensuring reliable power during prolonged outages.

5. Flexible Monitoring – USB, RS232, RS485 Interfaces
   Allows integration with network systems for real-time monitoring, alerts, and remote management.

6. Input/Output/Battery Terminals
   Simplifies connection for a wide range of high-demand equipment.

7. Advanced Protection Features
   Includes surge, overload, short-circuit protection, and Automatic Voltage Regulation (AVR) for maximum equipment safety.

8. Real-Time LCD Monitoring
   Provides instant visibility of system parameters including load levels, battery health, and input/output voltages.

Specifications

Why Choose the Mercury MDC3320S?

 Industrial-Grade Capacity – Perfect for critical systems in hospitals, data centers, and manufacturing.
 True Online UPS – Zero transfer time for uninterrupted operation.
 Full Protection Suite – Surge, AVR, overload, and short-circuit safeguards.
 Multi-Interface Monitoring – USB, RS232, RS485 for advanced control.
 Extended Runtime – ±120VDC battery configuration ensures reliable performance during outages.

QUICK LINKS

APC SRTG10KXLI Smart-UPS (RT 10kVA)

APC Easy UPS OnLine 10KVA RM 10000VA SRV10KRILRK

Yeastar S20 S Series VoIP PBX for Small Business

Yeastar GSM Module for S Series PBX

Mercury MP Pro 6KVA 6KW Online UPS 1.0PF