An automatic transfer switch (ATS) is a critical device in power systems that automatically switches the load to a backup power source—such as a generator, UPS, or secondary grid—when the main power supply (utility grid) fails or is interrupted, ensuring continuous power to essential equipment and loads.
Our Automatic Transfer Switch Types
Automatic Transfer Switch
ATS Design & Control System Features
We provide advanced ATS designs suitable for modern power systems.
Intelligent Control Unit
- Real-time system monitoring
- Programmable switching logic
- Fault detection and alarms
Dual Power Source Integration
Supports seamless switching between utility and generator or multiple power sources.
Compact Modular Design
Easy installation and integration into switchgear systems.
Remote Monitoring Capability
Supports SCADA and building management systems.
How to Choose the Right ATS
Selecting the right ATS ensures reliable and efficient power transfer.
- Load Capacity
Choose based on total system load and peak demand.
- Application Type
Industrial, commercial, or critical infrastructure systems.
- Transfer Type
Open transition, closed transition, or static switching.
- Switching Speed Requirement
Fast switching for sensitive equipment like servers and medical systems.
- Control System Integration
Compatibility with generators, SCADA, and BMS systems.
Why Choose Our Automatic Transfer Switches
Years of Manufacturing Experience
Custom Engineering
In-house Engineering Team
Strict Quality Control
Global Export Projects
Fast Lead Time
Technical Specifications of ATS Systems
Our ATS products are engineered for reliability, safety, and fast response.
Electrical Ratings
- Rated voltage: up to 690V
- Rated current: 63A to 6300A
- Frequency: 50/60Hz
Switching Performance
- Transfer time: milliseconds to seconds
- High mechanical and electrical endurance
Control System Features
- Microprocessor-based controller
- Automatic/manual operation modes
- Real-time monitoring and alarms
Applications of Automatic Transfer Switches
Project References & Global Applications
“We installed custom ATS units across our industrial plant. They operate flawlessly under load, and the team provided excellent guidance on settings and installation.”
“Since deploying Wondon’s ATS, we’ve experienced zero downtime during power outages. The reliability and quick response are impressive.”
“The ATS from Wondon ensures uninterrupted power for our critical systems. Switching between mains and backup is seamless and reliable.”
FAQs about Automatic Transfer Switches
1. What is an automatic transfer switch (ATS)?
An Automatic Transfer Switch (ATS) is a power control device that automatically switches to a backup power source when the main supply fails or is interrupted, ensuring continuous power to the load.
2. What are the main functions of an ATS?
Automatically switches between main and backup power, detects voltage, current, and frequency anomalies, provides manual override, and offers status indication and alarms.
3. Can an ATS be operated manually?
Yes. ATS usually features a manual mode for control during maintenance or fault conditions.
4. How does an ATS ensure power supply safety?
Monitors main and backup power status in real-time, quickly switches power during anomalies, and prevents equipment damage due to grid fluctuations.
5. What is the response time of an ATS?
The switching response time of an ATS is typically from a few milliseconds to a few seconds, ensuring uninterrupted power for critical loads.
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Qiang Chen
Chief Executive Officer
Tracy Lee
Operations Specialist
Hannah Wu
Sales
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