What is a Auxiliary Power Supply (APS)?

An Auxiliary Power Supply (APS) is a backup power source used to maintain the operation of equipment and systems when the main power supply is interrupted or unstable. It is commonly used in critical applications such as control systems, communication devices, industrial machines, and medical equipment, ensuring safe and uninterrupted operation during power failures or emergencies. APS systems come in various forms, including battery-powered units, generator-based systems, or integrated with UPS units, depending on the application and environment. In infrastructure such as railways, industrial facilities, and building management systems, auxiliary power is essential as a backup in case of main power loss.

Modern APS solutions focus on energy efficiency, long-duration operation, and low maintenance, meeting the increasing demand for stable and sustainable power support in a wide range of industries.

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