BK-L11-2KL（PF0.8）丨Single Phase High-Frequency Online UPS

Product Overview

The BK-L11-2KL is a high-performance Double Conversion UPS designed for medium-to-large sensitive loads, featuring a three-phase input and single-phase output configuration. As a premium High-frequency double-conversion UPS, it adopts true online double-conversion architecture, delivering 0ms seamless transfer between mains and battery modes—completely isolating critical loads from grid fluctuations, harmonics, surges, and outages.

This online UPS supports customizable external battery configurations (voltage/count) to meet extended backup time needs for global users, paired with a wide input voltage range and high input power factor (≥0.99 at full load). As a Transformerless online UPS (high-frequency design), it outputs a stable pure sine wave with low harmonic distortion, making it an ideal Uninterruptible Power Supply for industrial control systems, data centers, medical equipment, and other mission-critical scenarios across North America, Europe, and Southeast Asia.

With 91% efficiency and compact dimensions, this UPS System balances performance and space-saving—perfect for overseas facilities with limited installation space. It serves as a reliable Backup Power Supply for businesses seeking cost-effective, high-reliability power protection without compromising on global power quality standards.

Applications

This versatile online UPS caters to diverse high-reliability scenarios for overseas users, leveraging its three-phase input and external battery flexibility:

Industrial Control Systems

Protects PLCs, automated production lines, CNC machines, and industrial robots. This Double Conversion UPS withstands grid instability and suppresses electromagnetic interference, avoiding costly production downtime for global manufacturing plants.

Data Centers & IT Rooms

Powers servers, storage arrays, and network switches. The 0ms transfer time of this High-frequency double-conversion UPS prevents data loss, while low harmonic distortion ensures compatibility with precision IT equipment in overseas data centers.

Medical Equipment

Supports high-power medical devices (e.g., diagnostic scanners, laboratory instruments). This Uninterruptible Power Supply delivers stable output voltage and low leakage current, meeting medical-grade power quality requirements for global healthcare facilities.

Commercial Infrastructure

Covers financial server rooms, communication base stations, and smart building control systems. The wide input range of this UPS System adapts to complex urban grid environments in overseas commercial hubs.

Energy & Transportation

Powers new energy station monitoring systems, substation automation equipment, and rail transit signal systems. With >91% efficiency, this Backup Power Supply reduces long-term energy costs for international energy and transportation projects.

Product Features

Three-Phase Input/Single-Phase Output Design

Adapted to medium-to-large three-phase power systems worldwide, while supporting single-phase sensitive loads—ideal for overseas industrial and commercial scenarios where three-phase grid access is available but loads require single-phase power.

True Double Conversion UPS Architecture

0ms transfer time between mains and battery modes; the inverter powers the load continuously, eliminating downtime risks for critical equipment. This core feature of Double Conversion UPS ensures seamless protection against all grid anomalies.

High-Frequency Online UPS Design

Leverages a transformer-less high-frequency topology, enhancing power density and reducing energy loss—aligning with global energy-saving trends and lowering operational costs for overseas users.

Wide Input Voltage Adaptability

Handles grid sags and surges without frequent battery activation, adapting to unstable grid conditions in emerging and developed markets alike.

Low Harmonic Distortion Output

Pure sine wave output with THD <3% (linear load), avoiding interference with precision electronics—critical for medical devices, IT gear, and industrial control systems that demand high power quality.

Customizable External Battery Management

Supports customizable battery voltage and count, with multi-stage charging technology. This flexibility allows overseas users to tailor backup time to their specific needs, extending battery cycle life and reducing replacement costs.

Comprehensive Overload Protection

Multi-stage overload handling in AC and battery modes safeguards the UPS System and connected devices from damage, complying with international safety standards for commercial and industrial use.

Specifications

Kindly note: The technical parameters provided here are for reference only and are intended as a selection guide. Given that the product offers various customization options, such as powAer rating, voltage configuration, battery solutions, and special certifications, the final product specifications will be subject to the final order document.