Eaton Surge Protection Device, 1 Phase, 120/240V, 2 Poles, 2 Wires CHSPT2ULTRA - 1 Each
Best for
Best whole-house
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Current price
$116.65
Updated Jun 27, 2026 · 1 min read
Sources behind this verdict
10 reviewers weighted by source trust
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the reviewers we read, the Eaton CHSPT2ULTRA is the default whole-house recommendation. A garagejournal.com forum thread puts it 'at the top or very near it for bang/buck,' and r/electrical commenters note that on a spec-by-spec basis it 'wins every time' against cheaper panel devices like the BRNSURGE. Home Depot and Amazon listings position it as a Type 2 device that connects to virtually any load center, and its 4.8 rating across roughly 2,861 Amazon reviews backs the popularity.
What reviewers liked
- Repeatedly cited as the best bang-for-buck whole-house Type 2 device across r/electrical and garagejournal.com
- High 4.8 Amazon average over ~2,861 reviews
- Lower let-through voltage than the competing Siemens unit per r/AskElectricians comparisons
- Universally connects to most manufacturers' load centers per retailer listings
Where it falls short
- Overcurrent protection is downgraded from 50A to 25A, prompting some electricians to suggest adding a Type 1 device
- Lower max surge-current rating (108 kA) than the Siemens Boltshield (140 kA)
- Requires hardwired installation on a dedicated breaker, not a plug-in solution
- No independent lab testing present in the sourced signals
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Across the reviewers we read, the Eaton CHSPT2ULTRA is the default whole-house recommendation. A garagejournal.com forum thread puts it 'at the top or very near it for bang/buck,' and r/electrical commenters note that on a spec-by-spec basis it 'wins every time' against cheaper panel devices like the BRNSURGE. Home Depot and Amazon listings position it as a Type 2 device that connects to virtually any load center, and its 4.8 rating across roughly 2,861 Amazon reviews backs the popularity.
The disagreements are technical rather than about quality. r/AskElectricians threads point out that its overcurrent protection is downgraded from 50A to 25A and that pairing it with a Type 1 device at the main can be worthwhile, and a separate comparison notes the Eaton's 108 kA surge-current rating trails the Siemens Boltshield's 140 kA, while crediting the Eaton with a better (lower) let-through voltage. Multiple sources, including a homeowner YouTube installer, stress this is a hardwired device that should be installed on a dedicated breaker, ideally by an electrician.
- Universally connects to any manufacturer's load center (breaker box)
- Easy to use
- High quality product
- Model Number
- CHSPT2ULTRA
Because EATON is downgraded for its overcurrent protection from 50A to 25A, add a Type 1 SPD, PSP Products Vortexx Series R SPD, at the main line where breaker ...
You can compare the specs on the CHSPT2ULTRA and BRNSURGE and you'll see that the CHSPT2ULTRA wins every time. But that doesn't mean it ...
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“EATON CHSPT2ULTRA Full Installation Video” · YouTube
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