I have this installed but the (red) LEDs are off/dim. Does this need to be replaced? It is approximately 12 years old.

If one or two LEDs are out that indicates the breaker is no longer working and the circuits they supply must not be hot (useable). Check the two breakers with a voltage tester to be sure. Being in service for 12 years circuits may have seen the voltage spike and tripped the breaker. If they had been installed properly these two circuits would have fed voltage/current to circuits that were in use.

Does this offer the same level of protection as the SF100? One review said that the SF100 protected the "sensitive electronics" better.

The Seimens protects nothing. I know personally. I had a lightning strike and lost $20,000.00 worth of Electronic equipment TV's, computers, printers and a multitude of other appliances. the Siemens unit was still glowing green as nothing had happened. When I contacted Siemens about their warranty I was informed it would only cover the wiring in the walls if it was damaged and nothing that was plugged into the outlets. Don't waste your money, they don't work at all and their warranty is very misleading.

Can a load be connected to this protection device, such as a clothes dryer or does this need nothing attached?

Yes a load can be connected to the unit and it is designed for that. My understanding is not a double hot leg (220-240 volts) only 2 separate single leg loads (120 volts). There are 20 amp and 15 amp versions available as I recall. In short you check on your panel that you have 2 single breakers either 15 or 20 that are next to one another (or can be placed next to one another) and replace them with this unit.

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Siemens QSA2020SPD Whole House Surge Protection with Two 20-Amp Circuit Breakers for Use Only on Siemens Panels

Siemens QSA2020SPD Whole House Surge Protection with Two 20-Amp Circuit Breakers for Use Only on Siemens Panels

Product ID: 8386586

Details

Brand
SIEMENS
Circuit Breaker Type
Standard
Current Rating
20 Amps
Mounting Type
Plug-In Mount
Product Dimensions
3.12"D x 2"W x

⚡240V initial clamping level

💡LED protection status indicators

🔋Two 20-Amp breakers included

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Description

⚡ Surge-proof your smart home with Siemens’ all-in-one powerhouse!

SPACE SMART DESIGN - Takes up only two breaker slots while still providing two full 20-Amp breakers—no compromise on panel real estate.
INSTANT STATUS ALERTS - Built-in LED lights keep you informed in real-time about your surge protection status—no guesswork needed.
WHOLE HOME SURGE SHIELD - Protects your entire electrical panel and all branch circuits from damaging surges, not just isolated lines.
SIEMENS QUALITY ASSURANCE - Designed exclusively for Siemens panels with a strong warranty policy—avoid used breakers to keep your coverage intact.
ROBUST METAL OXIDE VARISTORS - Equipped with 40 mm MOVs rated for 150 VAC to absorb and neutralize power spikes efficiently.

The Siemens QSA2020SPD is a premium whole-house surge protection device that integrates two 20-Amp circuit breakers within the space of two standard slots. Featuring a 240V initial clamping level and 40 mm metal oxide varistors, it safeguards your entire electrical panel and branch circuits from power surges. Real-time LED indicators provide clear protection status, ensuring peace of mind. Designed exclusively for Siemens panels, it combines space efficiency with robust surge defense to keep your home’s electrical system safe and reliable.

Specifications

ASIN	B0052MG5K0
Best Sellers Rank	#59,578 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #266 in Circuit Breakers
Brand Name	SIEMENS
Circuit Breaker Type	Standard
Current Rating	20 Amps
Customer Reviews	4.6 4.6 out of 5 stars (669)
Global Trade Identification Number	00040892278750
Item Dimensions D x W x H	3.12"D x 2"W x 3"H
Manufacturer	Siemens
Model	US2:QSA2020SPD
Mounting Type	Plug-In Mount
Number of Poles	2
Part Number	QSA2020SPD
UPC	040892278750
Voltage	120 Volts
Warranty Description	Siemens strongly recommends against the use of "used" breakers.

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194318CFA

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In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

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