E-T-A

- E-T-A Circuit Breakers is a world leading manufacturer of circuit breakers and is a single-source supplier for most circuit protection technologies: thermal, thermal-magnetic, magnetic, high performance and electronic. E-T-A circuit breakers are available in more than 150 models and 300,000 different configurations. E-T-A is also a leading manufacturer of solid state remote power controllers (SSRPCs). All E-T-A circuit protection devices are RoHS compliant. 

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Go To Product Training Module Index Page

Digi-Key’s library of more than 2000 exclusive PTM Online… On Demand® product training modules is a collection of training tools created with you – the busy design engineer – in mind. They are provided with the cooperation of participating supplier partners. From this one source, you can learn about the latest products and technologies, download datasheets, check inventory, contact our technical staff, and place an order for same-day shipment.

These modules are available in audio and non-audio formats and listed by supplier in easy-to-find alphabetical order. Simply locate the module that interests you and click on your format of choice. We hope you find these tools useful, and with new modules added continuously, we invite you to stop back often to see what’s new.


Product Training Modules Online...On Demand® is a registered trademark of Digi-Key Corporation.


Updated PTM = Updated Product Training Module - PTM        New PTM = New Product Training Module - PTM

Module NamePreviewAudioNon-AudioDurationParts List
  • Common Circuit Protection Mistakes
5.5MB1.6MB10 minParts List

To view modules, you will need Adobe Flash Player 9, or greater, installed on your computer. Adobe Flash Player is available FREE from Adobe.

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Product Information

Circuit Protection Selection Guide
Product Configurator for Circuit Breakers

Application Notes

OCD Brochure
Document contains example circuit and TD and 9001 electrical information.

9001 Series Over Current Detector - Circuit Examples
Application examples for incorporating the detector in a typical power electronics circuit.

9001 Series Over Current Detector - Recommended Mounting and Interface Notes
Provides recommended guidelines for mounting connecting the detector.

Over Current Detector – Fast Acting Power Circuit Protection
Paper presents robust method for active over current protection in power electronic circuits.

White Papers

Dirty Dozen
12 Most Common Mistakes When Specifying Circuit Protection

Improve Plant Production by Addressing 24VDC Switch-Mode Power Supply Issues
Explanation of switch-mode power supplies, traditional circuit breakers and the new solid-state technology

Overload or Short Circuit Protection?
How to Protect Your Design Against Both Dangers
E-T-A
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