Crouse-Hinds type "Murray" circuit breakers are not the same product and cannot be substituted for Siemens
Siemens
Siemens AG is a German multinational conglomerate company headquartered in Munich and the largest industrial manufacturing company in Europe with branch offices abroad.
Are Siemens panel boxes compatible with Murray Breakers?
As we’ve just discussed, Siemens bought out Murray and made it so that all their circuit breakers were compatible from the year 2002 onward. Siemens is one of the most popular names in the electrical world, and they are one of the top options for panel boxes and circuit breakers.
What kind of circuit breaker do I need for a Murray?
If you can’t find a Murray circuit breaker, your best bet is to use a breaker from the company that bought them out, Siemens. Unfortunately, if Murray made your breaker box or circuit breaker before 2002, there’s no guarantee that Siemens will be compatible with it.
Are Siemens and Eaton Breakers interchangeable?
This is a cross reference of Type CL 1” breakers that could be interchangeable for panel installations. Check under the Siemens column for compatible Eaton UL Classified breakers. Make sure to consult a professional electrician when installing circuit breakers or anything else electrical.
What circuit breakers are interchangeable?
There are charts that show what circuit breakers are interchangeable. For instance, the chart below shows an example of a cross reference of Type CL 1″ breakers that could be interchangeable for panel installations. You can check under the panel column for compatible Eaton UL Classified breakers.
Is Murray and Siemens compatible?
Siemens and Murray are indeed the same company. The parts are physically interchangeable (and AFAICT, identical except the label), but Murray breakers are technically not certified for the Siemens panels, and thus not allowed by NEC code.
What breakers are interchangeable with Siemens?
The Siemens QP, QT, QAF, and QPF are the standard "interchangeable" plug-on type breakers used in loadcenters under several brand names including Siemens, Murray, Gould, and Sylvania to name the most common.
What breakers are compatible with Murray breakers?
You can replace Murray CBs with Air, Square D, and Cutler-Hammer Circuit Breakers. However, for an optimal use of the original Murray Load Centers, the best breaker brand substitute is Siemens. Not only is Siemens known for their quality products, but they are also the UL-listed brand for Murray.
What brands of circuit breakers are interchangeable?
UL Classified breakers are designed and tested to be both mechanically and electri- cally interchangeable with circuit breakers manufactured by General Electric, Thomas & Betts, ITE/Siemens, Murray, Crouse-Hinds, and Square D.
Will Eaton and Siemens breakers interchangeable?
Eaton's UL classified breakers are designed and tested to be both mechanically and electrically interchangeable with circuit breakers manufactured by General Electric, Thomas & Betts, ITE/Siemens, Murray, Crouse-Hinds, and Square D.
Are Siemens and Square D breakers interchangeable?
The Siemens Type QD circuit breakers have been classified by UL for use in place of the Square D Type QO® listed circuit breakers in the Square D UL listed panelboards shown below. Do not use in series rated systems with those panelboards shown in this compatibility list.
Will Homeline breakers fit a Siemens panel?
In short, Square D compatible breakers are Siemens, Cutler Hammer, Eaton, GE Breaker, Murray, Westinghouse, and Home Fitline.
Are Siemens and Cutler-Hammer breakers interchangeable?
As mentioned, Eaton bought out the rights to Cutler-Hammer, which means that most of their products, including circuit breakers are interchangeable....What Breakers are Compatible with Eaton?Breaker BrandInterchangeable with EatonExactly the Same as EatonITE/SiemensYesNoMurrayYesNoCrouse-HindsYesNo5 more rows•Apr 25, 2022
What breakers are compatible with Murray?
You can replace Murray CBs with Air, Square D, and Cutler-Hammer Circuit Breakers.
When did Murray circuit breakers go out?
However, even though the properties stated were all good, Murray circuit breakers were phased out in 2019 under the Siemens Company.
What is a Murray Electrical Panel?
Murray has been a trusted brand since 1899 that delivered high-quality performance when it comes to electrical solutions. They have provided user-friendly products that were easy to install, such as switches, disconnects, circuit breakers, and panel boards .
What brand of breaker is used for Murray load centers?
However, for an optimal use of the original Murray Load Centers, the best breaker brand substitute is Siemens. Not only is Siemens known for their quality products, but they are also the UL-listed brand for Murray.
What is the best breaker for a Murray breaker panel?
The best breaker for the Murray breaker panel is, of course, Murray circuit breakers. However, with this brand phasing out of the market, you need to know other available products out there.
Why does my Murray breaker fail?
Failures among Murray breakers aren’t uncommon. They are usually caused by too much flow of current , leaving the bimetal exposed to extreme heat. Over time, the metal strips weaken under the effects of electrical currents, making the breaker less likely to trip.
What is Murray panel?
The Murray panel is a classic — that’s why many own a breaker box of its kind. Since the release of circuit breakers in the market, electrical panels replaced the outdated fuse boxes, and this brand is very innovative, being one of the best panel upgrades available.
Is a BR type breaker equivelent?
While they are both BR type breakers, they are not equivelent. Your inspector would be correct to call them out as not listed for your panel, and to require replacement. You should check the electrical suppliers in your area for the correct breakers, sounds like you are shopping the big boxes or hardware stores.
Is Murray a Siemens panel?
Murray is Siemens middle of the road panel, and it has strong play in certain markets, which is why they have not killed off the line. You should be fine using a Siemens breaker, I would have no problem doing that in my own house. In fact, looking at the part number of your Murray panel, it is a post revamp panel, ...
Does Siemens have to pay NRTL?
Siemens would have to pay a NRTL to test the all the Siemans breakers in all the Murray panels and vis versa, before they could list them or put out a classified breaker letter. Personally, I think that Siemens is also attempting to brand the Siemens line (German name) as superior to the Murray line, despite owning both.
Does Siemens use breakers in Murray panels?
Siemens actually started listing Siemens breakers for use in most Murray panels a while back, it has been at least a few years now.
What is a circuit breaker?
Circuit breakers are intended for switching and protection of your home's wiring from high temperatures caused by excess current higher than the rating of the wire.
When will Murray be discontinued?
The Murray phase-out will be accomplished in three phases: 1). Murray Circuit Breakers and small circuit load centers will be discontinued in December 2019 2). Murray Rock Solid Load Centers will be discontinued in Summer 2020 3). Murray Meter Sockets will be discontinued in Fall 2020
How to replace a breaker in a panel?
The straightforward answer is: read your panel for manufacturer’s instructions on acceptable breaker replacements. If the instructions are hard to read (normally they fade over time), then check your existing breakers and replace those with the same type. Firstly, remove one of the old breakers to make sure the panel connections are the same. Lastly, test the fit of the new breaker in the panel before you put it in place.
Can you replace UL circuit breakers?
Alternatively, you can replace them with UL Classified circuit breakers specifically for your panel. Below is an example of a compatibility chart by Eaton. This is a cross reference of Type CL 1” breakers that could be interchangeable for panel installations. Check under the Siemens column for compatible Eaton UL Classified breakers.
What does specified breakers mean?
Specified breakers mean the manufacturer has tested the breakers in the panel and listed them to be used in that panel. You have probably noticed “UL Classified” and interchangeable circuit breakers around the market.
Is using breakers not listed or labeled a violation of the electrical code?
They site the National Electrical Code (NEC) Section 110-3 (b), which states that using breakers not listed or labeled is a code violation. Their argument is for public safety drawing evidence from past accidents due to the use of Classified breakers in their panel.
Can you use UL classified breakers in panelboard?
Otherwise, just replace the same type of existing breakers in the box. Manufacturers would want to specify their own breakers for use in their panelboards for obvious financial reasons. However, remember you have options with UL Classified breakers like the chart above. Some electricians use Classified breakers for obvious reasons, whether for price, availability, or convenience. But which ever circuit breakers you go with, make sure to install them safely.
Can UL Classified breakers be used for panels?
These breakers meet UL and NEC code regulations. UL has stated that people must adhere to all manufacturer supplied instructions. Moreover, UL also stated that Classified breakers can be used for their approved panels. ( Source: UL Marking and Application Guide Panelboards ). On the note of warranty void, manufacturers cannot void their warranty if the replacement part has proven to be safe by a third-party, for instance UL (Magnusson-Moss Warranty Act).
