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Siemens SPD device provides whole house surge protection. This device takes up the space of two standard single pole breakers, but also includes two single pole breakers so you do not lose any space in your Load Center. Once connected in the panel, the SPD device protects the entire panel and all branch circuits from surges, not just the two circuits connected to the SPD. Initial clamping level is 240 Volts. LED's provide protection status notification. Siemens strongly recommends against the use of "used" breakers. The installation of used breakers in a Siemens panel will void the warranty on the panel. Siemens does not sell used breakers and has not approved any 3rd party sellers to do so.
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In today's electronic world, your home's electrical, phone and cable systems are incomplete unless they incorporate surge protection. Since most everything in the home is microelectronic based, it is not practical to solely rely on surge protected plug strips. By installing this Siemens circuit breaker and surge protective device (SPD) in the load center of your home, surge protection is provided for all branch circuits. This version (model QSA2020SPD) is rated at 20 amps, and it's also available in a 15 amp version.
The 20 amp QSA2020SPD surge protection device ().The QSA2020SPD features a highly effective TVSS integrated with two 1-pole circuit breakers and incorporates the robust features of a secondary circuit breaker surge arrester with a lower clamping voltage ratings. Once connected in the panel, the SPD device protects the entire panel and all branch circuits from surges, not just the two circuits connected to the SPD.
Two green LEDs provide protection status notification, and the device will notify you of any loss of surge protection by tripping one or both of the circuit breakers. These breakers should be used for circuit protection of frequently used household or facility circuits as the lights and devices connected to these circuits provide an effective indication that surge protection is being provided. All Type QP circuit breakers and SPD are plug-on style, with load terminals provided. The devices are rated for 120/240V AC and are calibrated for 40 degrees C maximum ambient applications.
Surge Protective Devices
To effectively surge protect your appliances and other sensitive electronic equipment, you need to stop surges before they get into your home and also control surges generated inside your home. Damaging surges enter your home primarily through the main utility power source, coax and telephone services. When left unprotected, surges will permeate throughout the home damaging electronics and appliances.
What is a surge?
A surge, sometimes called a transient or a spike, is a brief burst of energy (voltage and current). The most damaging surges enter through your home's power, cable and telephone lines. However, the majority of surges originate within the home from the action of motor based appliances like dishwashers, refrigerators, garage door openers, etc.
How do surges affect my equipment?
Large surges can damage equipment by "burning up" the internal components of your sensitive electronic equipment and appliances. Moderate surges disrupt equipment operation and damage internal components. Lower energy surges degrade equipment, which is referred to in the industry as "electronic rust."
Why do you need this type of surge protection?
The only way to surge protect microelectronic based appliances is through the application of an incoming service entrance surge protector like a Siemens SPD.
QSA2020SPD Specifications
Amperage 20 amps Number of Poles Two 1-pole circuit breakers Initial Clamping Level 240 volts Transient Energy Rating 360 Joules line-to-neutral720 Joules line-to-line Transient Suppression 500 volts peak, line-to-neutral Voltage Rating 1000 volts peak, line-to-line Peak Current Rating (impulse) 40,000 amperes Discharge Voltage Characteristic @ 1,500A, 600 volts
@ 5,000A, 800 volts
(both line-to-neutral) Discharge Current Withstand Rating 10,000 amperes (line-to-neutral) Circuit Breaker Interrupting Rating 10,000A, 120/240V AC Listings/Certifications UL, CSA; meets UL 1449 3rd Edition
QSA2020SPD Whole House Surge Protection
At a Glance
- Two 20 amp circuit breakers
- Provides whole house surge protection
- Takes up the space of two standard single pole breakers, but also includes two single pole breakers
- Initial clamping level is 240 volts
- Handy LED lights provide protection status notification
richcsg
Reviewed in the United States on February 1, 2025
Perfect device to add whole house surge protection.
John link
Reviewed in the United States on January 25, 2025
easy install, hope it works :)
Michael C Struck
Reviewed in the United States on September 10, 2024
We got hit by lightning, wish we had put this in before. one of the only ways to protect higher amp circuits like the dryer/stove/EV. hope it never comes to use, but we sleep easier now.Did the install myself.
Drfluffy
Reviewed in the United States on July 9, 2024
I have two of those, on my main and my sub.Real important, this thing needs to be the first breaker closet to the grid inlet (usually the top of the panel), where the big service wire comes in. Wires are always assumed to be hot so if you don’t know what you are doing don’t touch it!I know enough to get the job done. I have a voltage monitor and since I’ve put it in I’ve haven’t seen a surge!
BranThomps
Reviewed in the United States on July 3, 2024
My circuit breaker and surge protection device arrived intact in a box and sealed bag. Upon opening the packaging it appeared used. The plastic sticker that covers the center of the device and allows the leds to shine through had been completely removed and was stuck to the paper documentation. I was not able to get it off the paper without the paper staying on the adhesive. The front sticker with the breaker and model information was weathered and not fully intact. The breaker was dirty looking. I've installed plenty of the Siemens QP style single and double breakers to know what they should look like. This one just didn't look right. I went ahead and installed it as I needed the protection more than I needed it to look good.Although I can't vouch for the ability for this product to protect my electrical panel from a surge, I can say that it installs easily. The green led lights are lit when protected and mine are working as intended. The built in 15 or 20 amp circuit breakers (depending on what model you choose) mean that if it is installed where you'd normally have two 15 or 20 amp breakers above and below each-other you won't loose those circuits.Don't DIY this if you're not comfortable working in an electrical panel with potentially lethal voltages. You'll have to remove two consecutive breakers and install this in place of the two that were removed. Since the breaker is split with the surge protector between two outer breakers, the lower breaker lug may cause your black hot wire to need to be slightly longer than what you currently have. Beware you may need an extra 1" or so to make this work. You'll also need to install the white neutral wire into your panel where your neutral bus bar is located.
Customer
Reviewed in Canada on November 16, 2024
I am a electrician and I install it and it works great
JP
Reviewed in the United States on August 18, 2023
Originally I purchased this to go into the home's main panel. However that panel was full of 240v 2-pole breakers. You can't use this to replace an existing 240v 2 pole breaker, it can only replace two 120v single pole breakers. Instead we installed this into a sub-panel in the garage. It replaced two 20 amp single pole breakers.The electrician had it installed in 10 minutes. The device comes with an information label that is installed inside the panel to alert electricians in the future that this device is present in the panel.The two lights showing that protection is enabled are easy to see in the garage. The lights cannot be seen when installed in an outside panel, they are not super bright. The photo of our outside panel was taken in twilight.I purchased another 15 amp version of this device that we will have installed in the HVAC unit sub panel.The house and HVAC will be protected against surges when we are complete. The only circuits that won't be protected are a window air conditioner and an EV charging unit.The surge protector comes with a two year residential warranty which includes up to $20,000 damage insurance. Repairs have to be authorized by Siemens for the insurance to be applicable, the 800 number is only manned during normal business hours. I think we can take the insurance with a pinch of salt since they make it tricky to use.
James73
Reviewed in Canada on April 30, 2023
Easy to install in my Siemens panel. Like some other reviewers mentioned, the front face label surrounding the LEDs was a bit crooked on mine. This is because the shape of the breakers behind is tapered which doesn’t leave much surface for the label to stick to. This doesn’t affect the functionality of the breakers at all, but it is a bit annoying. I trimmed the label a bit to get it to line up better.
lemsemloh
Reviewed in Canada on September 6, 2022
I just purchased the Sieman's 20 AMP Circuit Breaker and Surge Protective Device and has it installed in our breaker panel. The installation is easy if you know what you are doing. I had an electrician do the installation in order to not void our insurance coverage.
John B.
Reviewed in Canada on August 5, 2020
I bought this unit because it fits right in to my Siemens 100A power panel. It is not a separate unit like some others that has to be mounted outside of the breaker area. Some others also require a circuit breaker to be purchased anyway. Delivery took a few weeks in these pandemic times. It may have been shipped from the US and I live in Canada, which may explain some of the delay. After it was installed and power was restored to the panel, I put the 2 breakers on, but I could not see the green indicator LEDs. I had to move the plastic cover over a bit so the LEDs could shine through the holes in that cover. Only time will tell if it trips during a surge and protects against overvoltage damage.
Don in Alberta
Reviewed in Canada on May 17, 2019
Easy to install and cheap Insurance to protect all your digital equipment. We have electronically controlled boilers to heat the house and while away in the winter there was an electrical surge that tripped both of them and they wouldn't restart without being reprogrammed. We came home prior to a freeze up so this is really cheap insurance should it happen again.
Persnickety
Reviewed in the United States on February 1, 2015
This is a great solution for adding surge protection without a lot of hassle or added expense. It fit our new Murray panel perfectly. (Murray is a Siemens product) There have been reviews questioning the effectiveness of this product which are simply unfounded. There have also been posts suggesting this product requires a grounded neutral bar in the box, this too is inaccurate. For anyone trying to install this product in anything but a Murray or Siemens panel forget about the warranty (whether it fits or not). The specific data sheet for this product directly states that this surge protector dumps surges across the hot and neutral wires. It says nothing about a ground wire anywhere. Also don't expect this device to protect all you equipment form every possible surge, you should always use an extra surge protector for you sensitive devices.Here is a bit more info on how products like this work and why those people saying it won't work are wrong. Inside the product is a "varistor" (it says so on the product data sheet) that is connected directly from the Hot bars(there are 2 of them) in the panel to the Neutral bar in the panel. A varistor resists all electrical flow below a specific threshold usually measured in voltage. Above that threshold (120 volts for this device) electricity starts to flow through the varistor increasing exponentially as the voltage goes up. This effectively short circuits electricity coming from any surge (usually this is from devices inside the house like washing machines ) from the hot to the neutral. Since electricity takes the path of least resistance that surge will dump back out onto the grid (unless there has been some catastrophe inside the home or something is wired wrong). Code requires panels that do not have a grounded neutral to have a separate ground wire back to the main shutoff panel where the neutral and ground are tied together so any surge coming from a grounded wire has to go back to the main panel and come into the protected panel through the neutral wire where it will be dumped onto the hot thus protecting the circuits.
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