December, 2025
The Role of Automatic Transfer Switch (ATS) PDU in Modern Data Centers
Automatic Transfer Switch (ATS)Protecting Uptime in Critical Systems
In today’s connected world, even a momentary power outage can cause major disruptions to online services, delay financial transactions, and compromise essential communications. To safeguard uptime, data centers and IT facilities rely on devices such as the ATS PDU, a compact yet critical device that draws power from two independent sources and automatically switches when power fluctuations or failures occur. This seamless power management protects your infrastructure and helps maintain continuous operations.
How an ATS PDU Works
An ATS PDU maintains uninterrupted power through several key mechanisms:
Dual Input Design
Provide redundancy for connected equipment using two independent power sources.
Suggested Best Configuration
Source B
Online UPS
Online UPS
Suggested Minimum Acceptable Configuration
Source B
Line-interactive or Online UPS with Pure Sine Wave Output
*Note: CyberPower ATS PDU is compatible only with Pure Sine Wave AC power sources; Simulated Sine Wave sources are not supported.
Auto-detect and Auto-switch
Monitor power status and switch automatically when power instability is detected.
Source A
Source B
Quick Transfer Time
Transfer within milliseconds to maintain seamless operation.
Source A
Source B
Other Advanced Features
Real-time Remote Power Switching of Individual Outlet
Remotely control each outlet's on/off state to optimize power management.
Real-time Remote Power Monitoring of Individual Outlet
Remotely obtain power data and monitor each outlet for effective energy management.
Controllable Receptacles with Power Sequencing
Remotely schedule power-up, shutdown, or reboot sequences for individual outlets.
±1% Measurement Accuracy
Provide precise power readings for smarter management decisions.
*Feature availability may vary by CyberPower ATS PDU series and/or models. Please check the product page for details.
Choosing the Right ATS PDU
Knowing how an ATS PDU operates helps clarify its key benefits, including support for hybrid power setups and automatic switching to minimize downtime. The following are worth considering in terms of ATS PDU selection:
Transfer Speed
Faster switching minimizes disruptions to critical systems.
Load Capacity and Outlet Configuration
Match amperage, voltage, and outlet types of connected equipment.
Management Features
Local controls or network-enabled monitoring enhance visibility and operational efficiency.
Compatibility and Accessories
Ensure physical integration with existing infrastructure and consider optional accessories such as environmental sensors or power monitoring software.
Protecting Operations in Data Centers and Beyond
ATS PDUs provide reliable power by automatically switching between two sources, ensuring critical systems stay operational during outages or scheduled maintenance.
CyberPower ATS PDUs advance this capability by combining automatic switching with advanced management features, remote monitoring, and flexible configuration options, helping organizations maintain uptime with greater control and efficiency.
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