Leviton LB120-ST 2nd Gen Smart Circuit Breaker with Remote Control, Standard, 1-Pole 20 Amp, 120-Volt, 10kA Interrupt Rating
Best for
Best panel-integrated smart breaker
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Current price
$89.94
Updated Jun 27, 2026 · 1 min read
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the limited reviewers we read, the Leviton LB120-ST is the one candidate that reads as a true panel-installed smart breaker rather than a DIN-rail accessory: it's a 1-pole 20A, 120V device with a documented 10kA interrupt rating and built-in remote control, intended for compatible Leviton load centers. On paper it is the most legitimately 'smart breaker' product in this set, from an established electrical-products brand. The caveat is significant: it carries just 9 verified-purchase ratings (averaging 4.8) and we found no expert reviews, lab measurements, or specialist-community threads to corroborate real-world reliability or app performance.
What reviewers liked
- Genuine panel-installed smart breaker from an established electrical brand
- Documented 10kA interrupt rating and 1-pole 20A/120V spec suited to standard panels
- Built-in remote control for app-based on/off
Where it falls short
- Only 9 verified-purchase ratings, far too few for a reliable consensus
- No independent expert testing or specialist-community discussion found
- Requires a compatible Leviton load center, limiting drop-in use
- Higher price than the DIN-rail alternatives in this pool
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Across the limited reviewers we read, the Leviton LB120-ST is the one candidate that reads as a true panel-installed smart breaker rather than a DIN-rail accessory: it's a 1-pole 20A, 120V device with a documented 10kA interrupt rating and built-in remote control, intended for compatible Leviton load centers. On paper it is the most legitimately 'smart breaker' product in this set, from an established electrical-products brand.
The caveat is significant: it carries just 9 verified-purchase ratings (averaging 4.8) and we found no expert reviews, lab measurements, or specialist-community threads to corroborate real-world reliability or app performance. That makes the high star average informative but statistically thin. We rank it just below the most-reviewed pick because its category fit and electrical specs are the strongest here, even though the consensus behind it is the most fragile.
- SMART – Integrated with the My Leviton app, Leviton Smart Circuit Breakers provide insightful data on home energy consumption, enhanced safety, and whole home solutions in conjunction with other smart Leviton products
- CONTROL - Remotely turn 2nd Gen Smart Circuit Breakers ON or OFF; setup custom circuit scheduling based on time/day to save energy
- EASY – Leviton's revolutionary design allows the entire Load Center to be wired at rough-in without any circuit breakers present
- PROPRIETARY - Designed for use with the Leviton Load Center. Leviton 2nd Gen Smart Circuit Breakers require a Whole Home Energy Monitor (LWHEM) to operate
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