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Leviton LB120-AST 20A 1-Pole 2nd Gen Smart AFCI Branch Circuit Breaker with Remote Control

SKU: LB120-AST Leviton

Special Order: typically 2–6 weeks

Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.

Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.

A member of our team will check with the manufacturer and personally reply by email.

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Product images for Leviton LB120-AST 20A 1-Pole 2nd Gen Smart AFCI Branch Circuit Breaker with Remote Control. 2 image(s) available. Click on image to view full size.

Key Features

  • Remote ON/OFF control and scheduling via My Leviton app for easy circuit management and energy savings
  • 2nd Gen Smart AFCI protection that reduces arc-fault risk and improves safety for security and surveillance systems
  • Plug-on installation enables wiring at rough-in and fast retrofit into compatible Leviton Load Centers
  • Integrates with Whole Home Energy Monitor (LWHEM) for circuit-level monitoring and actionable energy data
  • Patented reset lockout technology prevents unsafe resets if ground or arc-fault protection is compromised

Quick Specifications

Product Model
LB120-AST
Brand Name
Leviton
Number of Poles
1
Manufacturer Part Number
LB120-AST
View Full Technical Specifications

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Product information

LB120-AST

Overview

Protect critical circuits and simplify management with the Leviton LB120-AST 2nd Gen Smart AFCI Branch Circuit Breaker. This Leviton smart circuit breaker combines 20A, 120V protection with remote ON/OFF control and circuit scheduling, letting installers and facility managers secure and monitor power for security, surveillance, and monitoring equipment without onsite toggles. Integrated with the My Leviton app and designed to work with Leviton’s Whole Home Energy Monitor (LWHEM), the LB120-AST provides circuit-level energy data to help reduce operating costs and prioritize uptime for sensitive loads. The breaker’s advanced arc-fault detection and patented reset lockout improve electrical safety and reduce nuisance resets, while plug-on installation speeds deployment during rough-in or retrofit projects. UL-listed and compliant with FCC and RoHS standards, it’s optimized for residential and commercial load centers that require reliable protection and remote control. Ideal for integrators deploying CCTV, access control, or remote monitoring systems—add the LB120-AST to your load center to improve safety, visibility, and control of critical circuits.

Features

  • Remote ON/OFF control and scheduling via My Leviton app for easy circuit management and energy savings
  • 2nd Gen Smart AFCI protection that reduces arc-fault risk and improves safety for security and surveillance systems
  • Plug-on installation enables wiring at rough-in and fast retrofit into compatible Leviton Load Centers
  • Integrates with Whole Home Energy Monitor (LWHEM) for circuit-level monitoring and actionable energy data
  • Patented reset lockout technology prevents unsafe resets if ground or arc-fault protection is compromised
11 of 11 specifications
Technical specifications for Leviton LB120-AST 20A 1-Pole 2nd Gen Smart AFCI Branch Circuit Breaker with Remote Control
General Information
Brand Name Leviton
Number of Poles 1
Manufacturer Part Number LB120-AST
Physical Characteristics
Depth 3.1"
Width 2"
Height 3.9"
Weight 0.42lb
Power Description
Input Voltage 120V AC
Current Rating 20A
Warranty
Limited Warranty 10-Year, 2-Year
Miscellaneous
Certifications & Standards FCC, RoHS, UL Listed

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SKU:
LB120-AST
Manufacturer part:
LB120-AST
How do I confirm compatibility?

Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.

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When will this item ship?

Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.

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What should I know about returns?

Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.

Read return eligibility and exclusions

Leviton LB120-AST 20A 1-Pole 2nd Gen Smart AFCI Branch Circuit Breaker with Remote Control

LB120-AST

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