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Circuit breakers do the same thing as fuses. They interrupt current flow when a certain preset point is reached. The difference between circuit breakers and fuses are that circuit breakers are resettable and reusable, whereas fuses are one time devices that must be replaced after they blow.

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13y ago
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13y ago

Yes and No. Circuit breakers, fuses, and switches all interrupt power flow when opened. Circuit breakers and fuses are current limiting devices that are designed to protect the wiring. They typically are tripped, or blown which automatically causes the circuit to be opened. Circuit breakers and fuses should not be used as switches. Switches are designed to only interrupt power flow.

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14y ago

If they take more current then they are designed for then they break the circuit. (A fuse blows and a circuit breaker throws a switch).

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13y ago

That's a good description of a circuit breaker, yes. Plus when it trips, it does not have to be replaced like a fuse - it is merely reset.

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Q: Is a circuit breaker an alternative fuses?
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Loss power to air condition in attic even though circuit breaker on. Is there an internal breaker switch that needs to be reset?

There may be a breaker or more likely a pair of fuses. Yes, they may need to be reset or replaced (if fuses).


What do tripped circuit breaker and blown fuses indicate?

Blown fuses indicate overload in the electrical circuit. Possible short-circuit or higher input voltage.Tripped circuit breakers I guess means:A residual-current device (RCD), similar to a residual current circuit breaker (RCCB) which is used for breaking the circuit when electric current pass through a man or could cause fire/burning in the/near the electrical sockets.


Which device designed to open an overloaded circuit and prevent overheating?

Fuses and circuit breakers are designed to open a circuit when an excess amount of current occurs, so as to break that flow of current.A circuit breaker or fuse.


What are 2 protective devices used to open a circuit?

The GSR plug is the newest device to perform this function. It becomes a mini circuit breaker for the circuit and is critical for high risk areas such as kitchens and bathrooms.The basic circuit breaker is another device. It opens the circuit when the amperage exceeds the rating of the breaker. It is a device that can be reset.The electrical fuse is the eldest of the devices. The disadvantage is that it must be replaced when the circuit is opened by overload.Circuit breakers and their cheap alternative, fuses, are used to disconnect the power if an excessive current flows.


What is a Circuit breaker and explain type circuit breakers?

A circuit breaker is a switching device which can make,brake and carrying (or trip the circuit) that specified over currents for a small interval of time . There is a different types of Circuit Breaker's are there 1.According to their arc quenching media these are divided into 4 types a) Oil circuit breaker b) Air blast circuit breaker c) SF6 circuit breaker d) vacuum circuit breaker 2. According to their services the circuit breaker can be divided as a) Outdoor Circuit Breaker b) Indoor Breaker 3. According to the operating mechanism of circuit breaker they can be divided as a) Spring operated Circuit Breaker b) Pneumatic Circuit Breaker c) Hydrolic Circuit Breaker 4. According to the voltage level of installation these are divided into 3 types a) High Voltage Circuit Breaker b) Medium Voltage Circuit Breaker c) Low Voltage Circuit Breaker.

Related questions

What is a alternative to fuses?

An alternative to using a fuse is to use an electrical circuit breaker.


What is an alternative to using a fuse?

An alternative to using a fuse is to use an electrical circuit breaker.


What is an alternative to a fuse?

An alternative to using a fuse is to use an electrical circuit breaker.


What device protects an electrical circuit?

An example of a circuit protection device is a fuse. Another example is a circuit breaker.


Where is the circuit breaker on a 1997 Dodge truck?

There are fuses under the hood and on the driver side end of the dash. Not sure what "the breaker" is.


Loss power to air condition in attic even though circuit breaker on. Is there an internal breaker switch that needs to be reset?

There may be a breaker or more likely a pair of fuses. Yes, they may need to be reset or replaced (if fuses).


What do circuit breakers and fuses have in common?

Both fuses and circuit breakers cut off a circuit from its power supply when the total current through the circuit exceeds the current rating of the fuse or circuit breaker, usually due to a short to ground or overloading of the circuit. Both use materials that respond to heat.


Where is power window circuit breaker for 1989 Toyota Cressida?

Not circuit breaker only fuses in cars that are used. Driver side kick panel 7.5a gauge fuse check it fist.


Where is the headlight fuses in a 1972 Chevy truck?

There is no fuse for the headlights in that truck. The circuit is protected by a circuit breaker located inside the headlight switch.


Where is circuit breaker for rear defroster 2004 Chevrolet Impala?

behind the fuses...remove the glove box


What is a disadvantage of used fuses?

One disadvantage of using fuses is when you have a short circuit condition and the circuit opens, the fuse has to be physically removed and replaced with a new one. This is unlike a breaker that just has to be reset to the on position.


What do tripped circuit breaker and blown fuses indicate?

Blown fuses indicate overload in the electrical circuit. Possible short-circuit or higher input voltage.Tripped circuit breakers I guess means:A residual-current device (RCD), similar to a residual current circuit breaker (RCCB) which is used for breaking the circuit when electric current pass through a man or could cause fire/burning in the/near the electrical sockets.