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#6 in Whole-House Surge Protectors
Siemens QSA2020SPD Breaker-Style SPD
Siemens
$100.00 – $145.00
A 20kA surge arrester that snaps into two breaker spaces of a Siemens panel like a standard breaker, requiring no external enclosure. The cleanest install path for Siemens panel owners with spare slots.
8.3
Good
Consensus
Don't buy this if…
- Skip breaker-style SPDs in high-lightning regions, because their compact MOVs absorb less before retiring.
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