We provide you with high-quality automatic transfer switches from international brands, including Schneider, ABB, Mitsubishi, Legrand, LS, in different sizes that suit your operational needs.

What is an automatic transfer switch?

It is a device that allows the automatic transfer of power between two sources. It monitors the availability and quality of the primary power source, and in the event of a power failure or voltage drop, quickly switches to the secondary power source to ensure an uninterrupted power supply.

Automatic transfer switches are used in residential settings to switch between main utility power and backup generators. They provide homeowners with an uninterrupted power supply during a power outage, ensuring that essential appliances and systems function.

Automatic transfer switches are widely used in commercial and industrial applications where continuous energy saving is critical. They are employed in businesses, hospitals, data centers, manufacturing facilities, and other companies to ensure continuity of operations and protect critical equipment.

Types of Automatic Transfer Switches

Open Transfer (ATS)

This is the most common type of automatic transfer switch. It briefly interrupts the power source during the switching process, resulting in a temporary power outage. It is suitable for applications where short interruptions are acceptable, such as in industrial settings or backup power systems.

Closed Transfer (ATS)

This is a type that ensures a smooth and seamless transfer of power between sources. It interferes with the connection between the primary and secondary sources, eliminating power interruptions during the switching process. ATS is commonly used where uninterruptible power supply is essential, such as data centers or healthcare facilities.

Automatic Transfer Switch Functions

Power Supply Monitoring

Automatic transfer switches continuously monitor the availability and quality of the primary power source. They detect power outages, voltage fluctuations, or other abnormalities, and initiate the switchover to the secondary power source when necessary.

Smooth Power Transfer

The primary function of an automatic transfer switch is to ensure a smooth transition between power sources. It automatically transfers the load from the primary source to the secondary source without interruption, preventing downtime and ensuring an uninterrupted power supply.

Safety and Protection

Automatic transfer switches provide safety features such as electrical isolation and protection against power surges or voltage imbalances. They help protect electrical equipment and prevent damage caused by irregular power supply.

provide peace of mind in a variety of applications.