Aviation English
Aircraft Systems

What is electronic circuit breaker?

electronic circuit breaker A digitally controlled switch that protects an electrical circuit from overload by interrupting power supply electronically.

Source: ICAO Doc 9432, FAA PCG

How is “electronic circuit breaker” Used in Practice?

Electronic circuit breaker tripped on avionics bus, resetting remotely from cockpit.

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

What is electronic circuit breaker?

A digitally controlled switch that protects an electrical circuit from overload by interrupting power supply electronically.

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