Shop Circuit Breakers at Lowe's

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$35.79
Square D By Schneider Electric Square D - HOM120PCAFIC Homeline Circuit Breaker, 20-Amp, 120V, 1-Pole CAFCI, Plug-On Neutral
Amazon.com
473
Free shipping
$35.79
Square D By Schneider Electric Square D - HOM120PCAFIC Homeline Circuit Breaker, 20-Amp, 120V, 1-Pole CAFCI, Plug-On Neutral
Amazon.com
473
$31.54
SIEMENS B120H 20-Amp Single Pole 120-Volt 22KAIC Bolt In Breaker
Amazon.com
38
Free shipping
$31.54
SIEMENS B120H 20-Amp Single Pole 120-Volt 22KAIC Bolt In Breaker
Amazon.com
38
$83.95
SIEMENS (12 Pack) Q120 Breaker, 20A, 1P, 120 VAC, Plug-In
Amazon.com
27
Free shipping
$83.95
SIEMENS (12 Pack) Q120 Breaker, 20A, 1P, 120 VAC, Plug-In
Amazon.com
27
$208.95
Square D By Schneider Electric 4-Pack Premium HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit
Amazon.com
Free shipping
$208.95
Square D By Schneider Electric 4-Pack Premium HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit
Amazon.com
Free shipping
$29.77
Connecticut Electric UBIF015N Newly Manufactured Federal Pacific Electric Stab-Lok NC115 Replacement, One Pole 15 Amp Thin Series Circuit Breaker,
Amazon.com
273
$29.77
Connecticut Electric UBIF015N Newly Manufactured Federal Pacific Electric Stab-Lok NC115 Replacement, One Pole 15 Amp Thin Series Circuit Breaker,
Amazon.com
273
$33.70
Square D QO120PAF (New Version Of QO120PCAFI) Circuit Breaker, QO, 20 AMPS, 1 Pole, 120VAC, 10Ka, Combo Arc Fault, Plug On Neutral, Plug In Mount,
Amazon.com
1
Free shipping
$33.70
Square D QO120PAF (New Version Of QO120PCAFI) Circuit Breaker, QO, 20 AMPS, 1 Pole, 120VAC, 10Ka, Combo Arc Fault, Plug On Neutral, Plug In Mount,
Amazon.com
1
$36.63
UBIZ20-New Zinsco Q20 Replacement. One Pole 20 Amp Thick Series Manufactured By Connecticut Electric.
Amazon.com
405
Free shipping
$36.63
UBIZ20-New Zinsco Q20 Replacement. One Pole 20 Amp Thick Series Manufactured By Connecticut Electric.
Amazon.com
405
$41.00
20 Amp 1-Pole GFCI Plug-On Neutral Circuit Breaker
Amazon.com
69
Free shipping
$41.00
20 Amp 1-Pole GFCI Plug-On Neutral Circuit Breaker
Amazon.com
69
$44.95
20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker
Amazon.com
141
Free shipping
$44.95
20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker
Amazon.com
141
$55.00
Square D By Schneider Electric Square D - QO115CAFI QO15A Arc Fault Breaker, Black
Amazon.com
230
Free shipping
$55.00
Square D By Schneider Electric Square D - QO115CAFI QO15A Arc Fault Breaker, Black
Amazon.com
230
$22.50
HOMT3020 - Square D Molded Case Circuit Breaker (New)
Electrical.com
399
$22.50
HOMT3020 - Square D Molded Case Circuit Breaker (New)
Electrical.com
399
$29.99
Connecticut Electric UBITBA 20 Amps Standard Single Pole Circuit Breaker
Ace Hardware
$29.99
Connecticut Electric UBITBA 20 Amps Standard Single Pole Circuit Breaker
Ace Hardware
$42.00
Siemens QA120AFC 20-Amp Single Pole 120-Volt Plug-On Combination AFCI Breaker
Amazon.com
624
Free shipping
$42.00
Siemens QA120AFC 20-Amp Single Pole 120-Volt Plug-On Combination AFCI Breaker
Amazon.com
624
$38.89
Square D - Tandem Mini Circuit Breaker, QO, 2 X 1 Pole At 20A, 120/240VAC, 10Ka, Plug In Mount, Clam Pack - QO2020C
Amazon.com
372
Free shipping
$38.89
Square D - Tandem Mini Circuit Breaker, QO, 2 X 1 Pole At 20A, 120/240VAC, 10Ka, Plug In Mount, Clam Pack - QO2020C
Amazon.com
372
$164.82
Leviton LB120-DST 2nd Gen Smart Circuit Breaker With Remote Control, Dual Function AFCI/GFCI, 1-Pole 20 Amp, 120-Volt, 10Ka Interrupt Rating
Amazon.com
30
Free shipping
$164.82
Leviton LB120-DST 2nd Gen Smart Circuit Breaker With Remote Control, Dual Function AFCI/GFCI, 1-Pole 20 Amp, 120-Volt, 10Ka Interrupt Rating
Amazon.com
30
$44.00
SIEMENS QA115AFC 15-Amp Single Pole 120-Volt Plug-On Combination AFCI Breaker, Black
Amazon.com
305
Free shipping
$44.00
SIEMENS QA115AFC 15-Amp Single Pole 120-Volt Plug-On Combination AFCI Breaker, Black
Amazon.com
305
$69.99
Connecticut Electric UBITBA 20 Amps Standard 2-Pole Circuit Breaker
Ace Hardware
$69.99
Connecticut Electric UBITBA 20 Amps Standard 2-Pole Circuit Breaker
Ace Hardware
$453.58
20 Amp Single Pole Dual Function Circuit Breakers (10 Pack)
Amazon.com
27
Free shipping
$453.58
20 Amp Single Pole Dual Function Circuit Breakers (10 Pack)
Amazon.com
27
$39.44
Eaton 15 Amps Combination AFCI Single Pole Circuit Breaker
Amazon.com
63
Free shipping
$39.44
Eaton 15 Amps Combination AFCI Single Pole Circuit Breaker
Amazon.com
63
$125.00
Square D By Schneider Electric Square D - QO220GFICP QO Circuit Breaker, 20-Amp, 120/240V, 2-Pole, GFCI, Plug-In Mount
Amazon.com
271
Free shipping
$125.00
Square D By Schneider Electric Square D - QO220GFICP QO Circuit Breaker, 20-Amp, 120/240V, 2-Pole, GFCI, Plug-In Mount
Amazon.com
271
$64.00
Square D By Schneider Electric HOMT1515215CP Homeline Tandem Circuit Breaker, 2X1 Pole, 1X2 Pole, 15A, 120/240VAC, 10Ka AIR, Plug In, UL, Black
Amazon.com
86
Free shipping
$64.00
Square D By Schneider Electric HOMT1515215CP Homeline Tandem Circuit Breaker, 2X1 Pole, 1X2 Pole, 15A, 120/240VAC, 10Ka AIR, Plug In, UL, Black
Amazon.com
86
$80.00
Square D HOM120 Circuit Breaker, 10 Pack, Homeline, 20 Amps, 120 Volts, UL Listed, 1 Pole, 10Ka AIR, Standard Type, Plug In, Qty 10
Amazon.com
24
Free shipping
$80.00
Square D HOM120 Circuit Breaker, 10 Pack, Homeline, 20 Amps, 120 Volts, UL Listed, 1 Pole, 10Ka AIR, Standard Type, Plug In, Qty 10
Amazon.com
24
$170.00
Square D By Schneider Electric HOM230GFIC Homeline 30 Amp Two-Pole GFCI Circuit Breaker, (Pack Of 2)
Amazon.com
Free shipping
$170.00
Square D By Schneider Electric HOM230GFIC Homeline 30 Amp Two-Pole GFCI Circuit Breaker, (Pack Of 2)
Amazon.com
Free shipping
$42.00
BRP115AF 15 Amp Single Pole AFCI Arc Fault Circuit Breaker, Plug-On Neutral, 120V, 10Kaic, UL Listed (1)
Amazon.com
Free shipping
$42.00
BRP115AF 15 Amp Single Pole AFCI Arc Fault Circuit Breaker, Plug-On Neutral, 120V, 10Kaic, UL Listed (1)
Amazon.com
Free shipping
$29.99
Connecticut Electric UBITBA 15 Amps Standard Single Pole Circuit Breaker
Ace Hardware
1
$29.99
Connecticut Electric UBITBA 15 Amps Standard Single Pole Circuit Breaker
Ace Hardware
1
$38.41
Bussmann Series CB185 150A Type III Circuit Breaker - 1 Piece
Amazon.com
72
Free shipping
$38.41
Bussmann Series CB185 150A Type III Circuit Breaker - 1 Piece
Amazon.com
72
$52.05
Cutler Hammer QCF2050 2 Pole 120/240V 50A
Amazon.com
26
Free shipping
$52.05
Cutler Hammer QCF2050 2 Pole 120/240V 50A
Amazon.com
26
$41.00
Square D - HOM120CAFIC Homeline 20 Amp Single-Pole CAFCI Circuit Breaker
Amazon.com
369
Free shipping
$41.00
Square D - HOM120CAFIC Homeline 20 Amp Single-Pole CAFCI Circuit Breaker
Amazon.com
369
$50.00
Square D - HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit Breaker,
Amazon.com
512
Free shipping
$50.00
Square D - HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit Breaker,
Amazon.com
512
$40.99
Square D QO120CAFI QO 20A Arc Fault Breaker
Amazon.com
198
Free shipping
$40.99
Square D QO120CAFI QO 20A Arc Fault Breaker
Amazon.com
198
$69.99
CUTLER-HAMMER CHFN115DF 15 Amp Single Pole Dual Function AFCI/GFCI Circuit Breaker, Pigtail Neutral, 120/240V, 10Kaic, UL Listed (1)
Amazon.com
5
Free shipping
$69.99
CUTLER-HAMMER CHFN115DF 15 Amp Single Pole Dual Function AFCI/GFCI Circuit Breaker, Pigtail Neutral, 120/240V, 10Kaic, UL Listed (1)
Amazon.com
5
$48.18
Siemens Q115DFN 15 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker, Black
Amazon.com
51
Free shipping
$48.18
Siemens Q115DFN 15 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker, Black
Amazon.com
51
$79.99
Connecticut Electric UBIZ 60 Amps Standard 2-Pole Circuit Breaker
Ace Hardware
82
$79.99
Connecticut Electric UBIZ 60 Amps Standard 2-Pole Circuit Breaker
Ace Hardware
82
$69.99
Connecticut Electric UBITBA 30 Amps Standard 2-Pole Circuit Breaker
Ace Hardware
$69.99
Connecticut Electric UBITBA 30 Amps Standard 2-Pole Circuit Breaker
Ace Hardware
$7.71
Siemens Q120 20-Amp Single Pole Type QP Circuit Breaker
Amazon.com
3K+
$7.71
Siemens Q120 20-Amp Single Pole Type QP Circuit Breaker
Amazon.com
3K+
$188.80
EDB34015 SQUARE D SCHNEIDER ELECTRIC Bolt-On EDB Circuit Breaker
Amazon.com
17
Free shipping
$188.80
EDB34015 SQUARE D SCHNEIDER ELECTRIC Bolt-On EDB Circuit Breaker
Amazon.com
17
How does Resistance affect Electric Current?
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YouTubeMath and Science
How does Resistance affect Electric Current?
What really happens inside a circuit when resistance increases? This short video takes you into the fascinating world of electricity, where small changes can have big effects. It explores how resistance affects the flow of current and reveals the invisible struggle between energy trying to move and the obstacles that slow it down. You’ll see ...
6.3K views1 month ago
Circuit Breaker Basics
Circuit breaker basics guide 🎉 | The Engineering Mindset
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Circuit breaker basics guide 🎉 | The Engineering Mindset
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4.6K viewsNov 12, 2023
163K views · 1.2K reactions | Want to learn about the wide variety of circuit breaker types and how they function? Check out this Another Teaching Moment! Watch Now --> https://dky.bz/2koazkF | DigiKey | Facebook
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163K views · 1.2K reactions | Want to learn about the wide variety of circuit breaker types and how they function? Check out this Another Teaching Moment! Watch Now --> https://dky.bz/2koazkF | DigiKey | Facebook
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Circuit breakers fundamentals
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Shop Circuit Breakers at Lowe's

Sponsored
About our ads
$35.79
Square D By Schneider Electric Square D - HOM120PCAFIC Homeline Circuit Breaker, 20-Amp, 120V, 1-Pole CAFCI, Plug-On Neutral
Amazon.com
473
Free shipping
$35.79
Square D By Schneider Electric Square D - HOM120PCAFIC Homeline Circuit Breaker, 20-Amp, 120V, 1-Pole CAFCI, Plug-On Neutral
Amazon.com
473
$31.54
SIEMENS B120H 20-Amp Single Pole 120-Volt 22KAIC Bolt In Breaker
Amazon.com
38
Free shipping
$31.54
SIEMENS B120H 20-Amp Single Pole 120-Volt 22KAIC Bolt In Breaker
Amazon.com
38
$83.95
SIEMENS (12 Pack) Q120 Breaker, 20A, 1P, 120 VAC, Plug-In
Amazon.com
27
Free shipping
$83.95
SIEMENS (12 Pack) Q120 Breaker, 20A, 1P, 120 VAC, Plug-In
Amazon.com
27
$208.95
Square D By Schneider Electric 4-Pack Premium HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit
Amazon.com
Free shipping
$208.95
Square D By Schneider Electric 4-Pack Premium HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit
Amazon.com
Free shipping
$29.77
Connecticut Electric UBIF015N Newly Manufactured Federal Pacific Electric Stab-Lok NC115 Replacement, One Pole 15 Amp Thin Series Circuit Breaker,
Amazon.com
273
$29.77
Connecticut Electric UBIF015N Newly Manufactured Federal Pacific Electric Stab-Lok NC115 Replacement, One Pole 15 Amp Thin Series Circuit Breaker,
Amazon.com
273
$33.70
Square D QO120PAF (New Version Of QO120PCAFI) Circuit Breaker, QO, 20 AMPS, 1 Pole, 120VAC, 10Ka, Combo Arc Fault, Plug On Neutral, Plug In Mount,
Amazon.com
1
Free shipping
$33.70
Square D QO120PAF (New Version Of QO120PCAFI) Circuit Breaker, QO, 20 AMPS, 1 Pole, 120VAC, 10Ka, Combo Arc Fault, Plug On Neutral, Plug In Mount,
Amazon.com
1
$36.63
UBIZ20-New Zinsco Q20 Replacement. One Pole 20 Amp Thick Series Manufactured By Connecticut Electric.
Amazon.com
405
Free shipping
$36.63
UBIZ20-New Zinsco Q20 Replacement. One Pole 20 Amp Thick Series Manufactured By Connecticut Electric.
Amazon.com
405
$41.00
20 Amp 1-Pole GFCI Plug-On Neutral Circuit Breaker
Amazon.com
69
Free shipping
$41.00
20 Amp 1-Pole GFCI Plug-On Neutral Circuit Breaker
Amazon.com
69
$44.95
20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker
Amazon.com
141
Free shipping
$44.95
20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker
Amazon.com
141
$55.00
Square D By Schneider Electric Square D - QO115CAFI QO15A Arc Fault Breaker, Black
Amazon.com
230
Free shipping
$55.00
Square D By Schneider Electric Square D - QO115CAFI QO15A Arc Fault Breaker, Black
Amazon.com
230
$22.50
HOMT3020 - Square D Molded Case Circuit Breaker (New)
Electrical.com
399
$22.50
HOMT3020 - Square D Molded Case Circuit Breaker (New)
Electrical.com
399
$29.99
Connecticut Electric UBITBA 20 Amps Standard Single Pole Circuit Breaker
Ace Hardware
$29.99
Connecticut Electric UBITBA 20 Amps Standard Single Pole Circuit Breaker
Ace Hardware
$42.00
Siemens QA120AFC 20-Amp Single Pole 120-Volt Plug-On Combination AFCI Breaker
Amazon.com
624
Free shipping
$42.00
Siemens QA120AFC 20-Amp Single Pole 120-Volt Plug-On Combination AFCI Breaker
Amazon.com
624
$38.89
Square D - Tandem Mini Circuit Breaker, QO, 2 X 1 Pole At 20A, 120/240VAC, 10Ka, Plug In Mount, Clam Pack - QO2020C
Amazon.com
372
Free shipping
$38.89
Square D - Tandem Mini Circuit Breaker, QO, 2 X 1 Pole At 20A, 120/240VAC, 10Ka, Plug In Mount, Clam Pack - QO2020C
Amazon.com
372
$164.82
Leviton LB120-DST 2nd Gen Smart Circuit Breaker With Remote Control, Dual Function AFCI/GFCI, 1-Pole 20 Amp, 120-Volt, 10Ka Interrupt Rating
Amazon.com
30
Free shipping
$164.82
Leviton LB120-DST 2nd Gen Smart Circuit Breaker With Remote Control, Dual Function AFCI/GFCI, 1-Pole 20 Amp, 120-Volt, 10Ka Interrupt Rating
Amazon.com
30
$44.00
SIEMENS QA115AFC 15-Amp Single Pole 120-Volt Plug-On Combination AFCI Breaker, Black
Amazon.com
305
Free shipping
$44.00
SIEMENS QA115AFC 15-Amp Single Pole 120-Volt Plug-On Combination AFCI Breaker, Black
Amazon.com
305
$69.99
Connecticut Electric UBITBA 20 Amps Standard 2-Pole Circuit Breaker
Ace Hardware
$69.99
Connecticut Electric UBITBA 20 Amps Standard 2-Pole Circuit Breaker
Ace Hardware
$453.58
20 Amp Single Pole Dual Function Circuit Breakers (10 Pack)
Amazon.com
27
Free shipping
$453.58
20 Amp Single Pole Dual Function Circuit Breakers (10 Pack)
Amazon.com
27