BK-L33-15KVA（PF0.8）丨Three Phase High-Frequency Online UPS

Product Overview

The BK-L33 Series is a premium High-frequency online UPS featuring a transformer-less, high-frequency design—redefining reliability and efficiency as a top-tier Online double-conversion UPS. By eliminating bulky line-frequency transformers, this Transformerless online UPS cuts weight by up to 40%, slashes power losses, and lowers total cost of ownership (TCO) for global enterprises.

As a true High-frequency double-conversion UPS, it adopts online double-conversion technology, ensuring 24/7 inverter-powered load supply with 0ms transfer time. This seamless protection shields critical equipment from voltage sags, surges, and full blackouts—essential for mission-critical IT and industrial applications across overseas markets. Equipped with an intelligent active-PFC rectifier, the Double-conversion UPS boasts an ultra-wide input voltage range, maintains input power factor ≥0.99, and keeps THDi <5%, easing strain on upstream infrastructure and meeting global green-energy norms.

Fusing DSP-controlled SPWM precision, compact footprint, and enterprise-grade reliability, this UPS System sets a new standard for green, efficient power protection—ideal as a UPS for data center, UPS for server room, UPS for medical equipment, and UPS system for enterprise in North America, Europe, Southeast Asia, and beyond.

Applications

Finance

Ensures uninterrupted power for ATMs, trading terminals, and core banking systems. As a trusted UPS System for enterprise, it safeguards transaction integrity and data security during outages—critical for global financial institutions.

Telecommunications

Provides reliable backup for base stations, switching centers, and fiber network equipment. This Double-conversion UPS maintains 24/7 connectivity, preventing service disruption for telecom operators worldwide.

Government

Supports mission-critical operations in command centers, e-governance platforms, and secure facilities. The High-frequency online UPS delivers high-availability power protection for sensitive government infrastructure.

Transportation

Powers traffic control systems, railway signaling, and airport navigation. The Online double-conversion UPS ensures zero downtime for intelligent transport infrastructure across international markets.

Manufacturing

Protects PLCs, industrial PCs, and automated production lines from voltage fluctuations. This UPS System avoids costly downtime and equipment damage for global manufacturing plants.

Education

Secures campus networks, computer labs, and smart classroom systems. The High-frequency double-conversion UPS ensures continuity of digital learning for overseas universities and schools.

Data Centers & Server Rooms

Delivers clean, stable power to servers, storage, and networking gear. As a dedicated UPS for data center and UPS for server room, it meets Tier III/IV reliability standards with high efficiency and scalability—perfect for hyperscale and colocation facilities.

Precision Equipment Rooms

Supplies ultra-stable, low-distortion power to medical imaging devices, lab instruments, and semiconductor testing equipment. This UPS for medical equipment meets strict electrical quality requirements for healthcare and research institutions globally.

Product Features

Advanced Transformerless High-Frequency Online UPS Architecture

Eliminates bulky power frequency transformers, reducing overall weight by ~40% while boosting power density. This Transformerless online UPS cuts energy consumption and cooling requirements—aligning with overseas enterprises’ sustainability goals.

True Online Double-Conversion UPS Operation

Whether mains power is normal or abnormal, the inverter continuously powers the load with 0ms switching time. This Double-conversion UPS ensures uninterrupted, stable operation for critical equipment in global mission-critical environments.

Built-in Intelligent Active PFC for High-Frequency UPS

Supports an ultra-wide input voltage range, easily handling voltage sags/dips. It actively improves input power factor to ≥0.99 and limits THDi <5%, meeting international green energy and power quality standards.

Emergency Power Off (EPO) for Enterprise UPS System

One-button safe shutdown during fires, floods, or maintenance—protecting personnel and equipment in compliance with global safety regulations for commercial and industrial facilities.

DSP Full-Digital Control for Double-Conversion UPS

A high-performance DSP achieves all-digital control of PFC, inverter, and charger, delivering sub-millisecond response and higher precision. This enhances the reliability of the UPS System for sensitive overseas applications.

High Output Power Factor for Versatile Loads

Supports modern high-power IT, medical, and industrial loads without derating. This flexibility makes it a top choice as a UPS for data center, UPS for medical equipment, and UPS system for enterprise with diverse load requirements.

Specifications