If you own a 230 volt air cooling system then it is very normal for you to get confused about the size breaker. You must be confused about what size breaker do I need for a 230 volt air conditioner? Well, I have an answer for you in this case.  

When your air cooling system needs better safety for all kinds of extra troubles like short circuits, electrocution, hazardous fire, etc for being overloaded, that is why a size breaker is needed. It was made so that it can prevent the electrical circuit problems which happen because of overload or short circuits.  

For example- there are some chances that we might get an electrical shock short circuit or electrocution. Size breakers predict that thing and before us. Just to prevent the whole situation it shut down all the main electrical units so that we don’t have to face that bad situation.  

Basically, the work of the breaker is to safeguard the cable between the switchboard and the machine. In this case, the breaker is supposed to be in a specific proportion to be able to carry the current which is strained by the machine.

So, without wasting any more time let’s know what size breaker a 230-volt air cooling system needs. I hope this article will help you to find an answer. 

What Size Breaker Do I Need For A 230 Volt Air Conditioner

What Size Breaker Do I Need For A 230 Volt Air Conditioner?

The breaker which is supposed to be installed needs to be a 30 amp for a 230-volt air conditioner, for this a 10/2 cord is needed to support the air-cooling system.

What Size Breaker Do I Need For A 220 Volt Air Conditioner? 

You are already familiar with the word breaker because you know that the breaker is the safeguard for your air cooling machine. If you have an air conditioner that has a volt of 220 then the answer is that you will need a 15-amp switch for a 20-amp circuit as a breaker.

What Size Breaker Do I Need For A Window Air Conditioner? 

Everybody knows what a window air conditioner is, but still, for your ease, I am going to tell you about it. So, a window conditioner is a single ac component that has all other parts stored inside its own. 

Thus, if you ask me if you need a breaker for your window air conditioner, my answer would be you surely do. 

Because if your window air conditioner has a rating that crosses 7.5 amps, then it will need its own 15-amp breaker. In the case of 10 amps then will need a 20-amp breaker.

What Size Circuit Breaker Do I Need For An Air Conditioner?

Knowing the size of a circuit breaker is very important because if you put a small wire in your circuit breaker then your house can be caught on fire. But putting larger wire can be safe in that case. So, if you want to keep your house safe then you have to be more cautious about sizing the circuit breakers.

For example, if your breaker in amps is 15 then the wire size needs to be 14. Again, 20 breaker size then wire size 12, 30 breaker size then wire size 10, 40 breaker size then wire size needs to be 8. So, these are the approximate sizes for a circuit breaker for your air conditioner.

What Happens If You Use A Wrong Sized Breaker?

When you want to replace a size breaker, always keep that in mind that you have to buy an accurately sized breaker. 

If your breaker fell down and now you want to replace it but you have bought a bigger breaker then let me tell you what will actually happen. It will expand the chances of overheating which will cause a fire. A bigger-sized breaker will overheat the wires or the receptacles which can create fire easily. 

So that’s why you should not replace your breaker with a bigger breaker. 

what size breaker do I need for a 230 volt air conditioner

What Size Breaker Do I Need For A 5-Ton Air Conditioner?

If you are wondering about what size breaker do I need for a 5-ton air conditioner then here is the answer.

A 5-ton air cooling system will need a breaker which is rated 45-50 A attached to an 8-10 AWG wire which is passed with 197-253 volts. 

But remember its breaker and wire size really varies on the electricity usage (W) of the air cooling system. 

What Size Breaker Do I Need For An Air Conditioner? 

Determining the size of the breaker is not up to you. Because it depends on the component you have installed in your house. Also, the least and the largest size which is permitted will be given on the label. 

But in general, if you have an air conditioner then the breaker will be around 30 to 60 amps accompanied by 10 to 4 AWG wire. However, if you have a big house and you chose an air conditioner with a 3.5-ton component then on average your span would be around 30 to 40 amps.

Read more: Where Are The Drain Holes On A Window Air Conditioner?

What Size Breaker Do I Need For A 240 Volt Air Compressor?

If you own a 240-volt air compressor and are thinking about installing a size breaker for it but doesn’t have any idea which one to choose then I have got you covered. 

For a 240-volt air compressor, a 20 amp breaker will be absolutely fine. As I have told you earlier, the size of a size breaker has to be perfect for that specific air cooler. 

Otherwise, your house can easily catch on fire. So don’t just buy any size breaker for your air cooler. Know your air cooler’s features then buy it. 

What Size Breaker Do I Need For A 24000 Btu Air Conditioner? 

BTU simply means the British Thermal Unit, which is used for calculating the energy that will be needed for cooling the air. So, if you have a 24000 BTU air conditioner then you will need a breaker that has a size of at least 15 amp. 

Because, in general, a 3-ton air conditioner that has a 36000 BTU needs a 20-amp breaker and an air conditioner with 60000 BTU needs a breaker size of 30 amp. So, 15 amps would be enough for your 24000 BTU air conditioner.

Can I Use A 230 Volt Air Conditioner? 

Running a 230-volt air cooling system is quite simple. All you just need is to plug it in to switch it on. That’s it. But the main thing to take care of is its voltage and plug configurations. One mistake of yours will be enough for spending money behind an electrician.

For a 240-volt air cooling system, a 30 amp size breaker will be enough.  

How Do You Size A Wire And A Breaker? 

If you want to size the wire and a breaker then you have to follow the rule of thumb. 

The rule of thumb says you will need a 10-gauge wire for a 30 amp circuit breaker. You will need an 8-gauge wire for a 40 amp circuit breaker. And 12-gauge for a 20 amp circuit breaker. 

You will need wire which will be size 4 for a 60 amp circuit breaker. And for a 50 amp circuit breaker, you will need a size 6 wire. 

So here you go. I have written the sizes of wires and breakers. I hope this will help you in the near future. 

What Size Wire Do I Need For A 220 Window Air Conditioner?

If your air cooling system comes in a single circuit appliance then a 10/2 wire is a perfect choice for it. But if it comes in a double circuit appliance then you have to buy a 10/3 wire. 

Reasons Behind A Bad Circuit Breaker

There are many reasons why a breaker can go bad. But these are the common reasons why a breaker can get damaged so soon.

They are- 

  1. If there is a short circuit or power surge. 
  2. Spikes. 
  3. If your breaker is overloaded. 
  4. Poor quality breaker. 
  5. Conduit system with grounded wires. Etc. 

When To Replace A Circuit Breaker?

It is normal for a breaker to trip during short circuits. But there is a limit to that. A breaker should not be tripped not more than 4 or 5 times. Should be replaced immediately at that moment. 


What size breaker do I need for a 230-volt air conditioner? I hope you’ve got your answer. 

Size breaker is a complex feature of an air cooling system. It is must-needed equipment. If you want to prevent electrical circuit problems then don’t be ignorant. Install a proper sized breaker for your air cooling system for both you and your air cooler’s safety. 

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