Product Overview
SAI's Automatic Transfer Switches (ATS) are engineered to ensure uninterrupted power continuity in critical applications by providing fast, safe, and reliable transfer between power sources. Available in both Solenoid ATS (WN3 Series) and Motorized ATS (ATeS Series) configurations, these solutions are designed to meet the diverse requirements of commercial, industrial, healthcare, data center, and infrastructure environments.
Solenoid ATS (WN3 Series)
The WN3 Series Solenoid ATS utilizes a high-speed solenoid drive mechanism to provide rapid and reliable power source transfer during outages and power disturbances. Designed for critical applications where transfer speed is essential, the WN3 Series delivers dependable performance, advanced monitoring capabilities, and simplified maintenance.
Technical Specifications
- Ampacity: 40A – 3200A
- Switching Mechanism: Motorized operation
- Controller: Integrated AMF (Auto Mains Failure)
- Transition Type: Open Transition
- Voltage Range: ~415V systems
- Poles: 4 Pole
- Monitoring: Voltage, Current, Frequency, Power, Energy
- Communication: RS485 / Optional Wi-Fi / Remote Monitoring
- Protection: Over/Under Voltage, Frequency, and Overload Protection
- Applications: Utility-to-Generator Automatic Transfer
Motorized ATS (ATeS Series)
The ATeS Series Motorized ATS provides intelligent, automated transfer switching between utility and generator power sources for continuous operation. Featuring an integrated AMF (Auto Mains Failure) controller, comprehensive monitoring, and remote communication capabilities, ATeS is designed for applications where operational flexibility and system visibility are essential.
Technical Specifications
- Ampacity: 40A – 3200A
- Switching Mechanism: Motorized operation
- Controller: Integrated AMF (Auto Mains Failure)
- Transition Type: Open Transition
- Voltage Range: ~415V systems
- Poles: 4 Pole
- Monitoring: Voltage, Current, Frequency, Power, Energy
- Communication: RS485 / Optional Wi-Fi / Remote Monitoring
- Protection: Over/Under Voltage, Frequency, and Overload Protection
- Applications: Utility-to-Generator Automatic Transfer
Uninterrupted Power Continuity
Automatically transfers critical loads between power sources during outages, helping maintain operations and minimize downtime.
Fast and Reliable Switching Performance
Engineered for rapid, dependable source transfer to ensure continuous power for mission-critical applications.
Advanced Monitoring and Control
Real-time visibility into voltage, current, frequency, power, and energy usage enables proactive system management.
Enhanced System Reliability
Built with proven switching technology and intelligent controls to deliver consistent performance in demanding environments.
Flexible Configuration Options
Available in multiple ampacity ratings, transition modes, and control configurations to meet diverse application requirements.


