UPS

UPS systems providing uninterrupted power backup and surge protection for critical equipment and data systems.

500VA–3000VA Line Interactive UPS Simulated Sine Wave for PC & Printer 110–240VAC AK Series

AK Series line-interactive UPS (500–3000VA) offers simulated sine wave backup power, surge protection, and voltage

500VA–3000VA Line Interactive UPS Pure Sine Wave Uninterruptible Power Supply AP Series

AP Series line-interactive UPS (500–3000VA) delivers pure sine wave output with AVR, digital display, and

1KVA–10KVA Online UPS High Frequency Uninterruptible Power Supply AF Series

AF Series online high-frequency UPS (1–10KVA) provides compact, efficient, and reliable backup power with surge

Johsun Tec UPS Manufacturer

Online Double Conversion: Provides more stable output, suitable for critical equipment such as servers, communications, and medical devices.
Wide Input Range: Better adaptable to power grid fluctuations, reducing the impact of frequent battery switching.
Intelligent Monitoring and Communication: Facilitates operation and maintenance and centralized management, improving visualization and response efficiency.
Compact Design: Offers more flexible deployment, suitable for space-constrained server rooms and low-voltage rooms.
Cold Start Function: Enables startup even without mains power, enhancing emergency response capabilities.
LCD Display: Critical status is clearly displayed, making on-site inspections more efficient.

Series	Topology	Capacity Range	Output Waveform	Primary Applications
AK Series	Line Interactive	500VA–3000VA	Simulated Sine Wave	PCs, printers, POS terminals, home appliances
AP Series	Line Interactive	500VA–3000VA	Pure Sine Wave	Sensitive electronics, networking equipment, offices
AF Series	Online High Frequency	1KVA–10KVA	Pure Sine Wave	Servers, data centers, medical equipment, telecom

Professional Manufacturing

Automatic Voltage Converter Factory

With a production history since 2007, our facility in the Xiangyang Industrial Zone integrates advanced R&D with rigorous ISO9001:2008 standards. We ensure a 100% yield through multiple stages of technical debugging, delivering certified power solutions to over 20 countries worldwide.

Voltage Regulators

Engineered with high-sensitivity response technology to ensure a consistent, safe voltage output.

Power Transformers

uilt with premium copper/aluminum materials for superior heat dissipation and low energy loss.

Smart Solar Inverter

High-efficiency power conversion optimized for solar photovoltaic ecosystems.

Best voltage converter company

We supply a wide range of 110V-to-220V and 220V-to-110V converters.

Trust our quality

Certifications & Quality Standards

Combining innovative technology with stringent quality standards to meet global demands.

Download Our UPS Catalog

Access our latest product catalog to explore the full range of voltage stabilizers and power regulation solutions. The catalog includes detailed specifications, model comparisons, technical parameters, capacity selection guidance, and customization options to help you choose the right solution for your market.

Inside the catalog, you will find:

Relay Type, Servo Motor Type & Static Type Models
Input/output voltage configurations
Protection features and application scenarios
OEM / ODM customization information

Source factory

What scenarios are your UPS systems primarily suitable for?

Suitable for critical business scenarios such as hospitals and data centers, and also covering loads such as PCs, servers/workstations, communication and electronic equipment, medical equipment, and security/securities systems.

What is an online (double conversion) UPS?

An online double conversion UPS supplies power to the load through continuous rectification/inversion, emphasizing more stable output and stronger interference isolation capabilities, making it suitable for critical equipment sensitive to power quality.

What is the significance of a wide input range?

When the mains voltage fluctuates significantly, a wide input range improves the UPS's adaptability, reduces unnecessary battery switching, and makes the system more stable and better suited to complex power grid environments.

Does it support cold start?

Yes, it supports cold start, allowing the UPS to start from battery power in the absence of mains power, providing emergency power for critical loads.

How to monitor and manage the UPS?

You offer a design approach with "flexible and intelligent monitoring programs and strong communication functions," suitable for remote status viewing, alarms, and operation and maintenance management (specific methods depend on the configuration of the corresponding model).

UPS