Circuit breaker - Wikipedia
A circuit breaker is an electrical safety device designed to protect an electrical circuit from damage caused by current in excess of that which the equipment can safely carry (overcurrent). Its …
CIRCUIT BREAKER Definition & Meaning - Merriam-Webster
Dec 6, 2025 · The meaning of CIRCUIT BREAKER is a switch that automatically interrupts the current of an overloaded electric circuit.
Circuit breakers fundamentals - Eaton
Dec 21, 2025 · A circuit breaker is an electrical switch designed to protect an electrical circuit from damage caused by overcurrent/overload or short circuit. Its basic function is to interrupt …
Circuit Breaker: What it is And How it Works | Electrical4U
Jun 18, 2023 · Circuit Breaker Definition: A circuit breaker is a manually or automatically operated electrical switch designed to protect and control power systems by interrupting fault currents.
What is a Circuit Breaker | Schneider Electric United States
What is a circuit breaker? A circuit breaker is like a traffic cop for electricity. It's a device designed to protect your electrical circuits from overloads and short circuits, which could lead to fires or …
CIRCUIT BREAKER | English meaning - Cambridge Dictionary
CIRCUIT BREAKER definition: 1. a safety device that stops the flow of current in an electrical circuit when there is a fault…. Learn more.
What is a Circuit Breaker? Types, Working & Uses
In simple terms, what is a circuit breaker? It’s an automatic safety device that stops current flow instantly during overcurrent, ground faults, or short circuits.
Circuit Breaker Basics | ABB Electrification U.S.
By definition a circuit breaker is an electrical safety device, a switch that automatically interrupts the current of an overloaded electric circuit, ground faults, or short circuits. Circuit breakers …
Circuit Breaker: Definition, Types, Working Principle, Circuit ...
A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by overcurrent, overload, or short circuits. Its basic function is to …
How Circuit Breakers Work | HowStuffWorks
Mar 5, 2024 · Electricity is defined by three major attributes: You've probably heard of low-voltage circuit breakers and medium-voltage circuit breakers, but what is voltage? Voltage is the …