Name: Square D Homeline Whole Home 25-kA Indoor Surge protective device
Brand: Square D
SKU: 3461724
Price: 102 USD
Availability: InStock
Rating: 4.7 (80 reviews)

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The Homeline Surge breaker Surge Protective Device is designed as a quick plug-on unit is compatible with Square D Homeline load centers and CSED devices. The SPD requires 2 pole spaces. This unit has 25,000 Amp Maximum Surge Capacity and has a 150 VAC line-to-ground maximum providing protection from electrical surges

25 kA surge current capacity for HOM electrical panels
3 year/$10,000 connected equipment warranty (includes Appliances and Electronics)
Requires 2 spaces in Square D HOM electrical panels
Square D Homeline 25 kA 2-Pole SurgeBreaker Surge Protective Device
Plug-on installation requires two spaces
Compatible with Square D service entrance locations, CSED devices and Square D QO breaker boxes with 2 spaces
Equal protection to circuits and receptacles throughout home
Includes an LED indicator
ANSI certified and CSA and UL 1449 3rd edition listed

General
Enclosure Rating	NEMA 1	Type	Surge protective device
SPD Type	Type 2	Use Location	Indoor
Number of Leads	2	Connection Type	Breaker slot
Application	Residential	Series Name	Homeline Whole Home
Housing Material	Plastic	Color/Finish Family	Black
Package Quantity	1	Manufacturer Color/Finish	Black/Plastic

Dimensions
Depth (Inches)	2.58	Width (Inches)	1.97
Height (Inches)	3.69	Amperage	175
Weight (lbs.)	0.64

Features
Surge Protection	UL	Voltage Protection Rating L-N	700-V
Short Circuit Current Rating	25 kA	Maximum Amperage	25000
Nominal Discharge Current	10kA	Weather Resistant	No
Maximum Continuous Operating Voltage	150/300 Vpk	Response Time (Microseconds)	0.05
Coaxial Lines Protected	0	Water Resistant	No
Line Protection	L-N-L-L	Indicator Light	Yes
Surge Current Protection Per Phase	25-kA	Grounded	Yes
Voltage Protection Rating L-L	1500-V	Rating in Joules	900

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -	Safety Listing	cULus safety listing

Miscellaneous
UNSPSC	39121600

Check out the Best Selling Whole House Surge Protectors on Lowes.com

Review

4.7 out of 5

80 Reviews

98% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The product provides mixed results in terms of performance and reliability. While installation is generally straightforward, some customers reported compatibility issues. Many were uncertain about the effectiveness of the surge protection, as they had not experienced a major power surge. Several reviewers noted the device failed to function as expected, with the indicator light not turning on and power surges still damaging connected electronics. Overall, the product seems to offer variable protection, and customers recommend verifying compatibility before purchase.

Customer review summary generated by AI, including incentivized reviews.

80 Customer Reviews

Sort By

Good protective device

Would Recommend

This was purchased to replace a previously-installed whole home surge protective device that took a hit and burned out. It's only been a week with it installed, but the light is lit and I presume it will serve the purpose of protecting my home and appliances, etc. similarly to the last one. Although if I'm being honest, I wish it provided more protection, but I wasn't able to find one with more protection that is of similar size to fit inside my panel. This one sits inside the panel, like a ci...

GatrjenyAugust 6, 2026
From Homeline Whole Home 50-kA Indoor and outdoor Surge protective device Verified Purchaser

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SQ D Products

Would Recommend

I have used SQ D products for 20 years

TriedJune 12, 2026
From Homeline Whole Home 50-kA Indoor and outdoor Surge protective device Verified Purchaser

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Piece of mind.

Would Recommend

Very easy to install. I hope it does what it says it does. We will see.

WayneMay 15, 2026
From Homeline Whole Home 50-kA Indoor and outdoor Surge protective device Verified Purchaser

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Nothing

Would Recommend

Easy to install little pricey, but state law requires it

SteveApril 26, 2026
Verified Purchaser

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Questionable

Would Recommend

Did not feel secure to the bussing

FrankApril 25, 2026
Verified Purchaser

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Response from SchneiderProductExpert

Hello,

We apologize for any inconvenience you might have encountered with our products. Let me assure you that our products are continual...

SchneiderProductExpertApril 27, 2026

Fast!!!

This was really fast like lightning fast delivery!!!! Thanks!

KirkDecember 12, 2025

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Does not include a circuit breaker as well

Would Recommend

Square D finally designed a whole house surge protector that attaches to the panel buss bar

MikeNovember 13, 2025
Verified Purchaser

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/2f962636-b9d6-5ea4-9e4e-a61991748086

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Square D Homeline Whole Home 25-kA Indoor Surge protective device

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