Modular UPS System 150KVA UPS Three phases UPS 25kVA 2U UPS Power Module for IT Finance, 20K / 25kVA 50K / 60kVA UPS Power Module, Double DSP control
Scalable from 20 kVA to 300kVA.
Modular, hot-swappable, field-replaceable STS, Monitor, UPS module

The RSUN PM Series offers a flexible and intelligent modular UPS platform, combining high-performance double-conversion technology with scalable design. Using dual DSP control, three-level inverter architecture, and distributed power management, it ensures precise regulation, fast response, and system reliability.
Modules support plug-and-play expansion with N+X redundancy, while innovative rectifier control and synchronized master-slave operation enhance load balancing and fault protection.
Built for demanding environments such as data centers, telecom hubs, and smart manufacturing, the PM Series delivers energy-efficient power backup with minimal interruption and total cost optimization.

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With over 23 years of industry expertise, RSUN POWER is a trusted manufacturer specializing in Uninterruptible Power Supplies (UPS), inverters, and battery solutions. Our state-of-the-art factory spans nearly 20,000 square meters and is equipped with 33 fully automated SMT production lines, over 10 sets of automated insertion equipment, ICT PCB testing systems, ATE automated testing centers, and a dedicated aging workshop to ensure the highest product reliability.

Supported by a team of over 500 skilled professionals, including 30 experienced R&D engineers, we are committed to continuous innovation, superior product quality, and exceptional customer service. RSUN POWER stands as a leading force in the power electronics industry, delivering dependable solutions to customers worldwide.

Our Vision

To become a global leader in the UPS industry by maintaining excellence in technology, R&D capability, manufacturing scale, and modern management practices.

Our Mission

To consistently deliver the most reliable, intelligent, and safe UPS systems, inverters, and battery solutions.
We are committed to positioning China’s UPS industry on the world stage, empowering our employees to achieve personal growth and creating a happier, more fulfilling life through meaningful work.

Since its establishment in 2002, RSUN POWER has steadily grown into a leading manufacturer of UPS systems, inverters, and batteries. Through continuous innovation, global expansion, and investment in advanced manufacturing technologies, we have achieved key milestones that reflect our commitment to quality, reliability, and customer satisfaction. The timeline below highlights the significant stages of our development and the strategic steps that have shaped our success over the years.