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Internet #100059673

Model #Q240U

Store SKU #992607

40 Amp Double-Pole Type QP Circuit Breaker

  • Provides a manual means of energizing and de-energizing a circuit
  • Easy plug in connections in Siemens load centers and meter combos
  • Accepts #8-#6 AWG Cu or #8-#4 AWG Al Wire
  • See More Details

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Product Overview

Siemens offers a wide array of thermal-magnetic circuit breakers that are the key element for overload and short-circuit protection of your home's electrical system. To provide additional protection Siemens offers circuit breakers to protect against severe electrical shock or electrocution, mitigate the risk of electrical fires and protect against damaging surges and Voltage spikes. 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. While thermal-magnetic circuit breakers are the key element for overload and short-circuit protection of your electrical system, there are potentially dangerous conditions that do not involve over current.
  • 2-pole, 40 Amp, 240-Volt type QP circuit breaker
  • 10,000 AIC interrupting rating
  • Siemens type QP circuit breakers provide easy plug-in connections in Siemens enclosures and the time saving insta-wire feature
  • Compatible with Siemens PL and ES series load centers
  • Use for overload and short-circuit protection of your electrical system
  • Thermal-magnetic
  • Learn More About Circuit Breakers Here in our Buying Guide.

Info & Guides

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Price
Ratings
(290)
(560)
(558)
(762)
Interruption TypeStandard TripStandard TripStandard TripStandard Trip
Breaker TypeDouble PoleDouble PoleDouble PoleDouble Pole
Pack Size1111
Maximum Amperage (amps)40403040
Power Distribution FeaturesNo Additional FeaturesNo Additional FeaturesNo Additional FeaturesTrip Indicator
Voltage (volts)240240240120/240
Mounting TypePlug-OnBolt OnBolt OnPlug-On
Product Weight (lb.).392.50 lb.50 lb0.56
Electrical Product TypeBreakerBreakerBreakerBreaker
View ProductView ProductView ProductView Product

Specifications

Dimensions

Product Depth (in.)
3 in
Product Height (in.)
3 in
Product Width (in.)
2 in

Details

Breaker Type
Double Pole
Electrical Product Type
Breaker
Interruption Type
Standard Trip
Maximum Amperage (amps)
40
Mounting Type
Bolt On
Number of Poles
2
Pack Size
1
Power Distribution Features
No Additional Features
Product Weight (lb.)
.50 lb
Returnable
90-Day
Voltage (volts)
240

Warranty / Certifications

Certifications and Listings
UL Listed
Manufacturer Warranty
lifetime

Questions & Answers

114Questions15Answers

Can this be a substitite for a solar disconnect? Is it resetable?

Asked by Mx6 March 3, 2021
1
Answer

No, this would not be for use on the DC side of the inverter. Type QP breakers do not have DC ratings. Please see the link for information on our solar disconnect offerings. https://www.downloads.siemens.com/download-center/Download.aspx?pos=download&fct=getasset&id1=BTLV_40575

Can this be used in Direct Current applications?

Asked by Mx6 March 3, 2021
1
Answer

Type QP breakers do not have DC ratings. Please see the link for information on our solar disconnect offerings. https://www.downloads.siemens.com/download-center/Download.aspx?pos=download&fct=getasset&id1=BTLV_40575

Specs indicate 14 - 6 gauge wire. Has anyone used a 6 gauge wire on this breaker? And does it eas...

Asked by ABBY February 26, 2021
1
Answer

Our apologies. The listed #14-6 AWG wire range is an error. The correct range is #14-8 AWG as listed on the breaker label.

HI . Need a replacement for my discontinued Westinghouse breaker. It was a 60 amp double pole the...

Asked by PatUrbani December 4, 2020
2
Answers

Yes, this is a great replacement, I installed it myself in 15 minutes.

Is this 240-Volt?

Asked by Mark October 17, 2020
1
Answer

What information are you seeking? If you're trying to find out if Siemens breakers will fit in Murray panels, the answer is Yes they will. Siemens owns Murray products which are no longer available so any replacement parts will be branded, Siemens.

Is this breaker two different 15 amp breakers? Meaning for each switch? I have a 15amp breaker that allows me to switch one off and keep the other on?

Asked by Pistol77 October 1, 2020
3
Answers

Simens/Sparky.. I went into the Home Depot and this particular breaker is not mine and I asked the retired licensed electrician on site.. He said that is the bottom half does not have wire attached, I can use it.. I checked and there is nothing connected. When I switch it of course, no impact because nothing is connected. It doesn't affect the top connection either.

What is the terminal rating of this breaker. It says AL-Cu 75C wire, that means wire should be 75...

Asked by Designer September 24, 2020
1
Answer

The terminal rating is based on the conductor which would be 75C. 60C or 75C wire can be used and sized per NEC Table 310.15(B)(16). 90C wire can be used but must be sized for 75C ampacity per the same table.

I was installing breaker and the plastic clips broke now it won't stay , it falls off because it has nothing to attached

Asked by Kaseway July 28, 2020
1
Answer

If the plastic hook rail of the load center is broken replacement of the complete interior is required, or perhaps even the load center itself depending on availability. Please send a request to productselection.us@siemens.com with your load center catalog number from the label to check availability. If the plastic housing of the breaker is broken the breaker must be replaced.

Wire Gauge

Asked by Dick July 2, 2020
1
Answer

Q230U is listed to accept #14 to #6 wire as shown on breaker label. Please confirm your label lists the same and contact our Technical Support Line at 1-800-333-7421. There may be another issue.

Can i use this for 230v dust collector pusing 10.2amps

Asked by Elijah April 19, 2020
3
Answers

yes.

40 Amp Double-Pole Type QP Circuit Breaker - page 2

Customer Reviews

  • 4.8
    out of 558 reviews
  • 98% recommend this product
Filter by:
Showing 1-10 of 558 reviews
Perfect fit. We moved a mobile home office to a different location, inside our plant area. At th...
Perfect fit. We moved a mobile home office to a different location, inside our plant area. At the old location the power supply for the A/C condenser unit was on the power pole for the mobile home. The new location required us to run a 460 v. 3 phase power to the side of the mobile home to a step down 240v/120v. transformer, then wire the power supply to the breaker box in the mobile home. We had to match the breakers in the Siemens box with a Siemens breaker. Easy installation and working well.
by BigDaddy
This is a great Circuit breaker. It works great and keeps the power on when I need it. There we...
This is a great Circuit breaker. It works great and keeps the power on when I need it. There were no problems installing it and the lights have been on since. This is a great product.
by 2Tall
Yesterday I received a circuit breaker from HOME DEPOT by UPS but I found it's broken.It is the v...
Yesterday I received a circuit breaker from HOME DEPOT by UPS but I found it's broken.It is the very bad quality control before mailing it to the customer.
by Ray
Response from SIEMENS Product ExpertJul 13, 2018
Hello Ray,
This has more to do with a shipping error (which can happen sometimes) rather than actual product quality. You can contact the Home Depot store you purchased the breaker from and they will help with a replacement. SIEMENS
2 people found this helpful
just what i was looking for at a great price
just what i was looking for at a great price
by SKM
Response from SIEMENS Product ExpertApr 13, 2018
We are glad you are satisfied with your purchase! SIEMENS
by Mike
If it were no good and this is the style...
If it were no good and this is the style that fits in your box, you'd be screwed, but never fear, it's fine. If you are replacing a Murray (I was) Siemens bought them out. It looks a slightly different, but it fits right in.
by Ggh2
Easy to install. Thanks...
Easy to install. Thanks
by OO
Fit in my GE fusebox no problems
Fit in my GE fusebox no problems
by Loupci
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by HomeDepotCustomer
It’s get the job done...
It’s get the job done
by Tony
Showing 1-10 of 558 reviews