Is the Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI) worth it?
The Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI) is worth considering with a 5.1/10 consensus score. Experts highlight dual-function afci/gfci trip mechanism, the strongest published protection on this roster and 10 ka interrupt rating, 1-pole 20a, 120 volts. Best for: Leviton Load Center owners, Adding protection and control one circuit at a time, The least expensive route to circuit-level control.
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Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI)
Smart Circuit Breaker
Expert consensus
How we scoreKey Features
- ✓ Dual-function AFCI/GFCI
- ✓ 1-pole 20A, 120V
- ✓ 10 KA interrupt rating
- ✓ Snap-in mount
- ✓ My Leviton app control
Best For
Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI) vs. the alternatives
How the Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI) stacks up against other Energy options on price, expert consensus, and ecosystem support.
| Product | Price | Consensus | Works With | Verdict |
|---|---|---|---|---|
| Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI)This page | $144.10 | 5.1/10 | major smart home platforms | Good Value |
| Leviton LB250-ST 2nd Gen Smart Circuit Breaker (2-Pole 50A, Standard) | $172.31 | 4.3/10 | major smart home platforms | Good Value |
The Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI) ($144.10 list) earns a 5.1/10 expert consensus, versus the Kasa Smart Plug Power Strip HS300 at $40 list (8.5/10 consensus).
What Experts Agree On
What Experts Love
- ✓ Dual-function AFCI/GFCI trip mechanism, the strongest published protection on this roster
- ✓ 10 KA interrupt rating, 1-pole 20A, 120 volts
- ✓ Remote on and off plus custom scheduling by time and day in the My Leviton app
- ✓ Per-circuit energy consumption reporting
- ✓ Leviton publishes a limited 10-year mechanical and 2-year electronic warranty
Common Criticisms
- ✗ No outlet we track has published a review of this exact model
- ✗ Designed for the Leviton Load Center only — will not fit other brands
- ✗ Requires the Leviton Whole Home Energy Monitor to operate, sold separately
- ✗ Cannot transfer a home to backup power; it switches only its own circuit
Frequently Asked Questions
Is the Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI) worth it?
The Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI) earns a 5.1/10 consensus score and is rated "Good Value". At $144.10, it is best for Leviton Load Center owners. It ranks among the top picks in its category.
How much does the Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI) cost?
The Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI) is priced at $144.10. With a 5.1/10 score and a "Good Value" rating, that price represents a premium ask relative to the ~7.5/10 average for Energy products. Prices shift often, so check the live figure before buying.
Who is the Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI) best for?
The Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI) is best for Leviton Load Center owners, Adding protection and control one circuit at a time, The least expensive route to circuit-level control. Experts rate it "Good Value" with a 5.1/10 consensus.
How does the Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI) compare to other Energy options?
Among the Energy products we have aggregated, the Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI) ranks below average with a 5.1/10 score. See our full category comparison for head-to-head details.
What smart home systems does the Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI) work with?
The Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI) works with major smart home platforms. Check the compatibility notes above for any hub dependencies or setup requirements before you buy.
What are the best alternatives to the Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI)?
If the Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI) ($144.10, 5.1/10) is not the right fit, the closest alternatives in Energy are Leviton LB250-ST 2nd Gen Smart Circuit Breaker, EcoFlow Smart Home Panel 2, EcoFlow Smart Gateway (200A). Compare them on price, ecosystem support, and expert consensus to find your match.
What are the pros and cons of the Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI)?
The main strengths of the Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI) are dual-function afci/gfci trip mechanism, the strongest published protection on this roster and 10 ka interrupt rating, 1-pole 20a, 120 volts. The most-cited downside is no outlet we track has published a review of this exact model. Overall, experts rate it "Good Value" with a 5.1/10 consensus score.
Decided on the Leviton LB120-DST 2nd Gen Smart Circuit Breaker (1-Pole 20A, AFCI/GFCI)?
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Sources & Methodology
Consensus score based on available data. See how we build consensus scores.
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you.This is a consensus review — we did not test this product ourselves. Always verify current prices and availability before purchasing.
Independence notice: Smart Home Explorer is an independent publication. Leviton and other product names, logos, and brands referenced on this page are the property of their respective owners and are used for identification purposes only. This review is not sponsored by, affiliated with, or endorsed by Leviton or any other manufacturer named in this article.