Online UPS System

LF33 10–800kVA Low Frequency Online UPS (3:3)

The LF33 10–800kVA Low Frequency Online UPS is a high-performance three-phase power backup solution designed to provide uninterrupted and reliable power for mission-critical applications. Built with online double-conversion technology, a robust output isolation transformer, and advanced Dual-DSP digital control, it delivers superior power quality, system stability, and long-term reliability.

Utilizing thyristor phase-control rectifier and IGBT inverter technology, the LF33 UPS effectively protects sensitive equipment from power disturbances, voltage fluctuations, and electrical noise. Its rugged low-frequency design makes it ideal for demanding industrial environments where continuous power and maximum system safety are essential.

  • Key Features
  • Benefits
  • Low Frequency Transformer Design

  • Online Double-Conversion Technology

  • Dual-DSP Digital Control

  • High Efficiency up to 94%

  • N+X Parallel Redundancy

  • Output Isolation Transformer

  • Touch Color LCD Display

  • LBS Synchronization

  • Intelligent Battery Management

  • Output PF 0.8 / 0.9

  • Reliable online double-conversion power protection

  • Enhanced electrical safety with output isolation transformer

  • Superior system reliability through Dual-DSP digital control

  • High overload handling capability for demanding applications

  • Flexible parallel operation for increased capacity and redundancy

  • Intelligent battery management for extended battery life

  • Easy system monitoring with touch color LCD display

  • Simplified maintenance and scalable power expansion

  • Stable performance in harsh industrial environments

Why Choose LF33 10–800kVA Low Frequency Online UPS?

The LF33 10–800kVA Low Frequency Online UPS is engineered to deliver maximum reliability, superior protection, and continuous power for industrial and mission-critical applications. With its transformer-based architecture, advanced digital control, scalable parallel redundancy, and intelligent battery management, it provides a dependable and future-ready power solution for organizations that demand uncompromising performance and operational continuity.

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