Single-Phase Line-Interactive UPS (3000VA/2400W)丨BK-L11-3KVA

Product Overview

The BK-L11-3KVA Line-Interactive UPS (Pure Sine Wave) is a high-capacity UPS System and professional power supply, engineered for home UPS (UPS for home), Small-office UPS, IT infrastructure, precision instruments, and medium-power protection scenarios. As the flagship model of the 1000VA-3000VA series, this Line-Interactive UPS integrates advanced automatic voltage regulation (AVR) technology, a wide input voltage range, and flexible battery expansion, tailored for compact installation in home, small office, and professional environments. It delivers stable, high-performance UPS power for high-power key electronic devices, precision equipment, and heavy-duty daily-use appliances—becoming the preferred choice for users seeking robust power backup, voltage stabilization, and efficient energy management.

Applications

This Line-Interactive UPS (professional power supply) is a versatile UPS System, widely applied in home, small office, and professional scenarios to provide targeted, reliable UPS power protection:

UPS for Home & Residential High-Power Use

Perfect for high-power home equipment such as large-screen televisions, multi-device desktop setups, external storage servers, and home security monitoring systems. As a high-capacity home UPS, it ensures uninterrupted use of power-hungry devices, preventing data loss and equipment damage from power outages or voltage fluctuations.

Small-office UPS & Medium-Power Office Applications

Ideal for small office IT infrastructure including high-performance workstations, network servers, storage arrays, printers, and multi-device office setups. This Small-office UPS maintains seamless business operations by stabilizing unstable mains power, providing extended emergency backup, and safeguarding critical business data and equipment.

Professional & Precision Medium-Power Equipment

Suitable for medical devices (high-precision monitors, diagnostic equipment), laboratory analytical instruments, audio-visual production gear, and small-scale industrial control devices. The pure sine wave UPS power meets the high-power and high-stability requirements of sensitive professional equipment, ensuring accurate and continuous operation.

Product Features

As a high-performance Line-Interactive UPS and professional power supply, this UPS System combines the advantages of home UPS, Small-office UPS, and medium-power UPS power solutions with the following core features:

Wide Input Voltage Range

Adapts to harsh mains voltage fluctuations, reducing battery switching frequency to extend service life—ideal for unstable power environments in home, small office, and professional high-power scenarios.

Pure Sine Wave UPS Power Output

Delivers high-quality pure sine wave output with THD <3% (linear load) and <6% (non-linear load), fully matching the power requirements of high-power high-precision devices and sensitive electronics in home, small office, and professional applications.

Advanced AVR for Stable Power Supply

Automatic Voltage Regulation (AVR) technology dynamically adjusts input voltage deviations, balancing efficiency and protection to ensure consistent 220VAC output— a key advantage for home UPS and Small-office UPS users needing reliable voltage stabilization for high-power devices.

Intelligent Charging & Extended UPS Power Backup

Supports fast charging (recovers to 90% capacity in 4 hours for built-in batteries) and adjustable charging current (1A/2A/4A/6A for external batteries), maximizing battery life and flexible long-duration backup time for both UPS for home and Small-office UPS high-power needs.

4ms Fast Transfer Time

Instantly switches between mains and battery modes under standard conditions, avoiding data corruption and equipment failure—critical for protecting valuable data and sensitive high-power devices in all application scenarios.

Specifications