Products 63A~2500A ABB Automatic Transfer System

63A~2500A ABB Automatic Transfer System

ABB Automatic Transfer System

ABB Automatic Transfer System, is a pioneering technology leader that is writing the future of industrial digitalization. For more than four decades, it has been at the forefront, innovating digitally connected and enabled industrial equipment and systems. Every day, it drive efficiency, safety and productivity in utilities, industry, transport and infrastructure globally. With a heritage spanning more than 130 years, ABB operates in more than 100 countries and employs around 132,000 people.


Automatic transfer switches (ATS) are used in applications with a backup power source to guarantee the continuity of power supply. They transfer loads from An automatic transfer switch measures the voltage level and frequency of the primary and backup (emergency) lines. According to these measurements, the load is connected to the appropriate power source. Usually, the primary power source is the utility grid backup power source is a generator set.


In normal conditions, the load is fed by the utility grid. If there is a power outage, the ATS detects the voltage fault in the primary line and sends a start-up command to the genset. When the genset is operational and voltage is available in the backup line, the ATS transfers the load from the utility grid to the genset. The genset supplies power to the load during the outage period. As soon as the power is available from the utility grid, the ATS detects the voltage in the primary line and transfers the load back. After a successful retransfer the ATS sends a stop signal to the genset.

Why to choose us?

We maintain the quality standards. Therefore we have best selling market contribution based on the consumer's rate and returning buyers. Moreover We always maintain the high quality of transmission and the standard of reliability, safety, durability. As well as economy and environment-friendliness. Moreover it has formed a completed pre-sale, sale and after-sale service system.

ABB offers a wide range of components for change-over applications. Meaning that all components can be sourced from one supplier. Effortless assembly, safety features, optimized performance and small size enable OTM63…2500_C motorized change-over switches to improve the performance of your application!


Performance that meets your needs

Tested according to IEC 60947-3 and IEC 60947-6-1.

Full ratings according to utilization categories AC22A/32B which are the typical categories in GenSet applications.

A wide supply voltage range provides enhanced logistics and effortless design work.

3- and 4-pole switches as standard.


Safe to use

OTM is not only a transfer device, it is also an isolator providing safe maintenance work.

Reliable position indication is always guaranteed.

Finger-safe construction prevents contact with live parts.

Mechanical and electrical locking options – safety is always considered.


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