What is low frequency UPS?

Low Frequency Online UPS Transformer Based – Industrial design Power Protection for Mission-Critical Applications

In industries where power stability is unavailable, a Low Frequency Online UPS with Transformer stands as the ultimate safeguard against voltage fluctuations, surges, and outages. As a professional Low Frequency UPS factory with 17+ years of expertise, ZLPOWER specialize in manufacturing high-efficiency and heavy-duty UPS systems designed for industrial, medical, data center, and high-power applications.

What Is a Low Frequency UPS?

A Low Frequency Online UPS is a robust uninterruptible power supply that uses an internal isolation transformer to deliver stable, clean power. Unlike high-frequency UPS models, which rely on electronic components for voltage regulation, our transformer-based UPS provides:
 Superior Load Handling – Supports inductive loads (motors, pumps, CNC machines) without risk of damage.
 Strong Surge Protection – The transformer acts as a natural buffer against lightning strikes and power spikes.
 True Online Double Conversion – Continuous AC-DC-AC conversion ensures zero transfer time during outages.
 Wide Input Voltage Range – Compatible with 380V, 400V, and 425V industrial power grids.

When and why Choose a Transformer-Based UPS?

Many modern UPS systems sacrifice durability for compact size, but industrial and mission-critical environments demand reliability. Our Low Frequency UPS offers:

Longer Lifespan – Heavy-duty components withstand 24/7 operation.

Higher Efficiency at Full Load – Optimized for industrial energy demands.

Better Short-Circuit Resistance – Protects sensitive equipment from electrical damage.

Cooler Operation – The transformer dissipates heat more effectively than high-frequency designs.

Applications of Our Low Frequency Online UPS

 Manufacturing Plants – Keeps CNC machines, robotic arms, and production lines running smoothly.
Data Centers – Ensures uptime for servers and network infrastructure.
Medical Facilities – Provides backup power for MRI machines, surgical equipment, and ICUs.
Oil & Gas / Mining – Handles harsh electrical environments with heavy machinery.
Renewable Energy Systems – Stabilizes power from solar/wind farms before grid integration.

Our Manufacturing Strength

ISO9001-Certified Factory – Strict quality control at every production stage.
Custom Power Solutions – Adjustable voltage, power rating (10kVA to 800kVA+), and battery backup time.
Global Compliance – Meets CE, IEC, and industry-specific safety standards.
17+ Years of R&D – Engineered for reliability in extreme conditions.

Upgrade to Unmatched Power Stability

While high-frequency UPS units may save space, nothing matches the resilience of a transformer-based Low Frequency UPS. For industries where downtime is not an option, our solutions provide bulletproof power protection.

 Contact us today for a customized Low Frequency UPS solution!