The majority of people would not even consider their Eaton Cutler-Hammer breakers until the lights have abruptly gone off and they are standing before the electrical panel, throwing switches. Then they see: there are some breakers marked the name Cutler-Hammer, then some with Cutler-Hammer, and some with Eaton, and some with both; that is the point at which the head scratching begins.
So what’s going on here? Are Eaton and Cutler-Hammer the same? Do you need one specific type for your home? And if you’re replacing a breaker, how do you even know you’re buying the right one?
This blog isn’t here to throw technical jargon at you. You will find out what made the Cutler-Hammer name, how there are various Eaton breaker types, and you will know what breaker to use with your panel, and you will even get an idea of what it will cost. The final result will be that you will feel much more secure the next time you open that panel door.
What is Cutler-Hammer (and how it relate to Eaton)?
Cutler-Hammer started way back in 1893. Charles Cutler and Edward Hammer were the brains behind one of the earliest motor starters, and before long, their company became a big name in circuit protection. Their products earned a reputation for toughness and reliability.
Fast forward to 1978, Eaton, a global power management company, bought Cutler-Hammer. But instead of tossing the old name, Eaton decided to keep it alive. Why? Because people already trusted it. Walk into an electrician’s shop and ask about Cutler-Hammer, and they’d know exactly what you were talking about.
Overview of Eaton / Cutler-Hammer Breaker Families
Alright, let’s talk about the different kinds of breakers you’ll come across. Not all are the same, and choosing the right one depends on where you’re using it.
Molded Case Circuit Breakers (MCCB)
Think of molded case circuit breaker Eaton units as the heavy lifters. They’re built for commercial and industrial jobs where the current load is high factories, offices, and big machinery. These breakers can handle way more than your average home circuit and often come with adjustable settings.
GFCI / AFCI and Specialty Breakers
The kitchens, bathrooms, and bedrooms need additional security. In this case, ground fault circuit interrupters (GFCI) and arc fault circuit interrupters (AFCI) breakers are helpful. Whereas the AFCIs prevent the risky arcs that are caused by the faulty wires, the GFCIs prevent the shocks in wet areas. Eaton also produces combination breakers, which are a combination of two devices in one device.
CH Series (Residential Breakers)
This one’s the fan favorite. The CH series circuit breaker, known for its tan handle, has been in homes for decades. They last long, some come with lifetime warranties, and they fit perfectly into Eaton Cutler-Hammer panels. If you’re a homeowner replacing a breaker, chances are you’ll be looking for an Eaton CH breaker.
How to Choose the Right Cutler-Hammer Breaker for Your Panel
This is where people often get stuck. You walk into a supply store or search online and see tons of breakers. Which one do you actually need? Here’s a simple checklist:
- Check your panel: Open the panel door and read the label. If it says CH or BR, that’s your guide.
- Match the plug type: Breakers are not “one-size-fits-all.” A CH breaker won’t lock properly into a BR panel.
- Know your amps and poles: A 15-amp single-pole breaker is common for lights. A 40-amp double-pole might be used for big appliances. Always match it to the circuit.
- Think about safety codes: Many new builds require AFCI or GFCI breakers in certain rooms.
- Buy authentic parts: Don’t gamble with knock-offs. Search for “buy Eaton Cutler-Hammer breaker” or even “where to buy Cutler-Hammer breakers near me” to make sure you’re getting legit parts.
Replacing a Cutler-Hammer Breaker Safely
Here’s the part everyone wants to know: can you replace a breaker yourself? Technically, yes. But should you? That’s another story.
Basic steps look like this:
- Power off at the main disconnect.
- Double-check with a voltage tester, never assume it’s off.
- Remove the old breaker carefully.
- Snap in the new one with the exact same specs.
And that’s it at a high level. But here’s the thing: working inside a panel is not the same as changing a light bulb. If you’re not confident or if you’ve got an older panel, call a licensed electrician. Spending a little on pro help is a lot cheaper than dealing with an electrical accident.
Costs & Lifespan: What to Expect
Okay, let’s talk money and longevity. Prices vary depending on breaker type:
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Single-pole standard breaker: about $10–$20
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Double-pole breaker is around $20–$50
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AFCI / GFCI usually costs around $40–$100+
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Molded case circuit breaker, Eaton usually costs around $150 and higher, depending on specs
Lifespan is usually 20–30 years for Eaton Cutler-Hammer breakers. But heavy usage, heat, moisture, or constant tripping can shorten that timeline. If a breaker keeps tripping even after fixing the load, it’s time for a replacement.
FAQ's
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Are Eaton and Cutler-Hammer breakers the same?
Yes. Eaton owns Cutler-Hammer, and the products often carry both names.
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Can I mix Eaton and Cutler-Hammer breakers in a panel?
As long as the breaker type (CH, BR, etc.) matches the panel, you’re good. Don’t mix brands beyond that.
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How do I know if my CH breaker is obsolete?
Check the label and compare with Eaton’s current catalog. Even older models usually have a modern equivalent.
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What is the CH series best used for?
Homes. They’re designed for residential branch circuits, known for reliability and warranty coverage.
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Where can I buy Eaton replacement breakers?
Trusted suppliers, hardware stores, or authorized online retailers. Search for buy Eaton Cutler-Hammer breaker or “where to buy Cutler-Hammer breakers near me.”
Conclusion
At the end of the day, the Eaton Cutler-Hammer breaker is more than just a piece of hardware; it’s a legacy brand backed by decades of engineering. From CH series circuit breakers in homes to molded case circuit breaker Eaton models in industries, the lineup covers every need.
If you’re replacing one, just remember: check compatibility, buy authentic, and avoid shortcuts when it comes to safety. And if you’re dealing with older panels or less common breaker systems like Zinsco. If that’s the case, check out the selection at S&S Electrical Supply’s Zinsco collection. We carry a wide range of legacy parts that might be exactly what you need.
