Leviton Smart AFCI/GFCI 1-Pole...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$285.95
Leviton Smart AFCI/GFCI 1-Pole 15A Circuit Breaker

Leviton Smart AFCI/GFCI 1-Pole 15A Circuit Breaker

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Model: LB115-DS

In Stock (leaves warehouse same day if ordered before 3pm ET)

$285.95
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Leviton Smart AFCI/GFCI 1-Pole 15A Circuit Breaker

The Leviton Smart AFCI/GFCI Branch Circuit Breaker is a 1-Pole device rated 15A at 120V with a 10KA interrupt rating, combining arc-fault (AFCI) and ground-fault (GFCI) protection in a single smart branch circuit breaker. This dual-function design helps guard branch circuit wiring against dangerous arcing conditions while also detecting ground faults that can cause shock hazards. The breaker is also available in a 20A configuration, giving electricians flexibility when matching protection to circuit load requirements in residential and light commercial panelboards.

Key Features

  • Electrical Rating: Rated 15A at 120V with a 10KA interrupt rating for dependable fault-current interruption.
  • Dual AFCI/GFCI Protection: Combines arc-fault circuit interruption and ground-fault circuit interruption in one smart branch circuit breaker.
  • Pole Configuration: 1-Pole design suited to single branch circuit applications.
  • Device Type: Classified as an AFCI device type per manufacturer specification, with integrated GFCI functionality.
  • Amperage Options: Also offered in a 20A configuration to accommodate a broader range of branch circuit loads.
  • Smart Breaker Design: Engineered as part of Leviton's smart branch circuit breaker line for enhanced circuit-level protection.

Technical Specifications

  • list_batch: LEV-PREEXIST-20260803
  • Poles: 1
  • Device Type: AFCI
  • Amperage Options: 15A, 20A
  • Interrupt Rating: 10KA

Typical Applications

  • Residential Branch Circuit Wiring
  • Panelboard and Load Center Circuit Protection
  • Kitchen, Bathroom, and Bedroom Circuits Requiring Combined AFCI/GFCI Protection
  • Electrical Panel Upgrades and Renovations
  • New Construction Residential Electrical Systems

Why Leviton?

Leviton's Smart AFCI/GFCI Branch Circuit Breaker delivers combined arc-fault and ground-fault protection in a single 1-Pole, 15A, 120V device with a 10KA interrupt rating, simplifying panel design while helping meet demanding branch circuit protection needs. For professionals seeking reliable, code-focused circuit protection with flexible 15A/20A amperage options, Leviton's smart breaker technology offers a dependable choice for both new installations and panel upgrades.

Manufacturer Resources

Product Specs

Device Type:
AFCI
Poles:
1
Product Type:
Circuit Breaker
Department:
Electrical
Product Group:
Wiring Devices
Short Circuit Current:
10 kiloamps
Product Weight:
0.42 pounds
Country of Origin:
China
Warranty Length:
10 years
Product Subgroup:
Smart Controls

Leviton LB115-DS – Frequently Asked Questions

1) Does the Leviton LB115-DS give me both arc-fault and ground-fault protection, or do I still need a GFCI receptacle downstream?
Both protections are in the one breaker. The Leviton Smart branch circuit breaker combines arc-fault interruption and ground-fault interruption in a single 1-pole device, so the branch circuit is covered from the panel without adding a GFCI receptacle at the first outlet. That is the practical difference from an AFCI-only breaker: on a kitchen or bath circuit you get the shock-hazard detection and the arcing-condition detection from the same slot.
2) Should I order the 15A or the 20A Leviton smart AFCI/GFCI breaker?
Match the breaker to the wire and the circuit, not to the fixture. The Leviton Smart AFCI/GFCI breaker comes in two amperages: 15A as model LB115-DS and 20A as model LB120-DS. Those are the only two, and both are 1-pole. General lighting and bedroom receptacle circuits run on 14 AWG at 15A; kitchen small-appliance, laundry and bath circuits are normally 12 AWG at 20A. Putting a 20A breaker on a 14 AWG home run is the mistake to avoid, so read the conductor in the panel before you pick.
3) Will the Leviton LB115-DS breaker fit into a Square D or Siemens load center?
No. Leviton smart branch circuit breakers are built for Leviton load centers and plug onto that bus. Breakers are not interchangeable across panel brands, and fitting one into a competitor's panel voids the panel's listing even when it physically seats. If the panel in the building is not a Leviton, you need the AFCI/GFCI dual-function breaker made for that panel line instead.
4) Is the Leviton smart breaker a drop-in replacement for a standard breaker in the same panel slot?
In a Leviton load center it occupies a single pole, same as the standard breaker it replaces, so the slot count does not change on a panel upgrade. What does change is the wiring: a dual-function AFCI/GFCI breaker needs the circuit neutral landed on the breaker itself, not on the panel neutral bar, plus the breaker pigtail to the bar. A circuit with a shared or borrowed neutral has to be separated first, or the device will trip on the ground-fault sensing.
5) I need protection on a 3-phase feeder, not a 120V branch circuit. What should I look at instead of the Leviton AFCI/GFCI breaker?
The Leviton smart AFCI/GFCI breaker is a 1-pole device for a single 120V branch circuit, so it does not serve a 3-phase feeder. For 3-pole molded case protection, the ABB A2N Series A2A150TT and the ABB E150 Series thermal magnetic breaker are both 3-pole molded case devices, the ABB A2N being UL listed. The Square D PowerPacT B is a thermal magnetic molded case breaker and the PowerPacT Q is an I-Line breaker for I-Line panelboard mounting. Those are feeder and main-breaker class devices; the Leviton unit is the one that goes in the load center on the individual circuit.
6) Can an ABB ST200M miniature circuit breaker be used in place of a Leviton LB115-DS AFCI/GFCI breaker?
No. The ABB ST200M is a miniature circuit breaker built to UL1077, which is the standard for supplementary protectors rather than branch circuit overcurrent devices. The Leviton LB115-DS is a 1-pole branch circuit breaker whose device type is AFCI, with ground-fault protection built into the same unit. A supplementary protector does not provide arc-fault or ground-fault detection, so on a bedroom, kitchen, or bathroom circuit that the electrician is protecting with combined AFCI/GFCI, the ST200M does not cover the same duty.
7) What is the difference between a Square D C60 DIN rail breaker and the Leviton LB120-DS smart breaker?
The Square D SQU-60111 is a C60 series UL489 miniature circuit breaker that mounts on DIN rail, and the Square D Multi9 C60 is a 1-pole C-curve miniature breaker rated 120V AC. Both are overcurrent devices sized by trip curve. The Leviton LB120-DS is a 1-pole 20A smart branch circuit breaker whose device type is AFCI with integrated ground-fault protection and a 10 kiloamp short circuit current rating. If the panel is a DIN rail assembly the C60 is the mounting style that fits; if the requirement on the drawing is combined arc-fault and ground-fault protection on a residential branch circuit, that is what the Leviton unit is built to do.
8) What is the interrupting rating on the Leviton smart AFCI/GFCI breaker, and is 10kA enough for my panel?
10 kA short-circuit current rating. That is the standard interrupting capacity for residential and light commercial load centers, and it is what the available fault current at a typical dwelling service will be specified against. If your panel schedule or the utility calls for a higher AIC at that bus, this 1-pole device is not the one to fit.
9) Is this a panel-mount breaker or a DIN rail breaker?
The Leviton LB115-DS is a plug-on branch circuit breaker for a residential load center, not a DIN rail device. If your job is an industrial enclosure or a control panel on rail, the Square D C60 UL489 miniature circuit breaker is the DIN rail mount option, and the Square D Multi9 C60 is a 1-pole C-curve MCB rated 120V AC. Those protect equipment circuits; they do not provide arc-fault or ground-fault protection.
10) Which circuits in an apartment or house actually need a combination AFCI/GFCI breaker like this?
The overlap circuits are where a dual-function device earns its slot: kitchen counter receptacles, bathrooms, and laundry areas, where the arc-fault requirement and the ground-fault requirement land on the same branch circuit. Bedroom and living-area circuits that need arc-fault protection are also covered. Property managers standardizing a panel refit get one part number per circuit instead of a breaker plus a downstream GFCI receptacle at each location, which is fewer devices to stock and fewer failure points to chase on a service call.
11) Is the ABB XT4 breaker kit an equivalent to the Leviton LB115-DS?
No. The ABB MBB33 is a 3-pole molded case circuit breaker kit in the XT4 series, which is a different class of device and a different pole count from the Leviton 1-pole unit. The Leviton breaker is a branch circuit device weighing 0.42 pounds with an AFCI device type and a 10 kiloamp short circuit current rating, offered in 15A and 20A. For a single-pole residential or light commercial branch circuit that needs arc-fault and ground-fault protection together, the XT4 kit is not the part to order against it.
12) How much does the Leviton LB115-DS breaker weigh for a bulk panel order?
0.42 pounds each. On a full load center refit that is worth knowing for a shipment of twenty or thirty breakers, though it is a small part compared to the panel itself. The breaker is made in China.
How fast can I get the Leviton LB115-DS delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Leviton LB115-DS come with a warranty?
Absolutely. The Leviton LB115-DS is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Leviton LB115-DS?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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