Source ASI for Automation Components

We offer complete product lines for circuit breakers, power supplies, battery backups, switches, transformers, power meters, push buttons, connectors, and more. ASI offers fast shipping, excellent customer service, and is here to answer your product questions.

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Same Day Shipping*

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DIN Rail Circuit Breakers

DIN Rail mounted miniature Circuit Breakers designed for easy installation in enclosure to standard 35mm DIN Rail.

Why work with ASI?

Since 1999, Automation Systems Interconnect (ASI) specializes in Automation Component Distribution of Power Supplies, Connectors, Switches, Circuit Breakers, Sensors, Pendant Stations, Electromechanical assemblies plus all other items that go into industrial or process automation. With access to over 15,000 parts, ASI is Your Source for Automation Components.

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Huge Selection

Huge Selection

ASI is your one-stop online source for over 15,000 industrial automation and electronic components.

Product Knowledge

Product Knowlege

Need help finding the right product? Our team can help you find the right part or competitive equivalent.

Friendly Service

Friendly Service

With 20+ years of experience, our technical team is prepared to answer all of your questions. Whether you prefer to call, email, or chat, we are only a few keystrokes away.

Need a Larger Quantity or a Special Item?

ASI application support specialists are standing by to help with your unique requirements.


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