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$318.75
Siemens HF361R 30-Amp 3 Pole 600-Volt 3 Wire Fused Heavy Duty Safety Switches
Amazon.com
15
Free shipping
$318.75
Siemens HF361R 30-Amp 3 Pole 600-Volt 3 Wire Fused Heavy Duty Safety Switches
Amazon.com
15
$560.00
$595.42
SIEMENS GF224NR 200 Amp, 2 Pole, 240-Volt, 3 Wire, Fused, General Duty, Outdoor Rated
Amazon.com
5
$560.00
$595.42
SIEMENS GF224NR 200 Amp, 2 Pole, 240-Volt, 3 Wire, Fused, General Duty, Outdoor Rated
Amazon.com
5
$34.99
30 Amp Circuit Breaker
King Surplus
$34.99
30 Amp Circuit Breaker
King Surplus
$257.26
SCHNEIDER ELECTRIC 120/240-Volt 175-Amp HOM2175BB Miniature Circuit Breaker 120/240V 175A
Amazon.com
4
Free shipping
$257.26
SCHNEIDER ELECTRIC 120/240-Volt 175-Amp HOM2175BB Miniature Circuit Breaker 120/240V 175A
Amazon.com
4
$16.57
$29.99
Bussmann Series CB185 150A Type III Circuit Breaker - 1 Piece
Amazon.com
71
Free shipping
44% off
$16.57
$29.99
Bussmann Series CB185 150A Type III Circuit Breaker - 1 Piece
Amazon.com
71
$10.99
General Electric GE 20-Amp 1-Pole Standard Trip Circuit Breaker
King Surplus
$10.99
General Electric GE 20-Amp 1-Pole Standard Trip Circuit Breaker
King Surplus
$104.00
SIEMENS Q215GF Ground Fault Circuit Interrupter, 15 Amp, 2-Pole GFCI Circuit Breaker Replaces QF215A
Amazon.com
4
Free shipping
$104.00
SIEMENS Q215GF Ground Fault Circuit Interrupter, 15 Amp, 2-Pole GFCI Circuit Breaker Replaces QF215A
Amazon.com
4
$48.00
$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
85
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25% off
$48.00
$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
85
$55.00
Buyers Products CB251PB 250 Amp Circuit Breaker With Manual Push-To-Trip Reset With Large Frame, Protect Accessory Circuits, Electrical Equipment For
Amazon.com
Free shipping
$55.00
Buyers Products CB251PB 250 Amp Circuit Breaker With Manual Push-To-Trip Reset With Large Frame, Protect Accessory Circuits, Electrical Equipment For
Amazon.com
Free shipping
$122.15
Siemens QN2150 150A Double Pole 120/240-Volt 10K Type QN Circuit Breaker
Amazon.com
11
Free shipping
$122.15
Siemens QN2150 150A Double Pole 120/240-Volt 10K Type QN Circuit Breaker
Amazon.com
11
$98.00
Siemens QF250A Breaker Ground Fault Circuit Interrupter, 50 Amp, 2 Pole, 240 Volt, 10,000 AIC
Amazon.com
691
Free shipping
$98.00
Siemens QF250A Breaker Ground Fault Circuit Interrupter, 50 Amp, 2 Pole, 240 Volt, 10,000 AIC
Amazon.com
691
$86.00
$128.90
SIEMENS US2:BF120A Circuit Breaker, Black
Amazon.com
21
Free shipping
33% off
$86.00
$128.90
SIEMENS US2:BF120A Circuit Breaker, Black
Amazon.com
21
$25.59
Square D Qo120vh : Miniature Circuit Breaker 120/240V 20A
New Feedonomics Feed - ARC 8/12/2025
$25.59
Square D Qo120vh : Miniature Circuit Breaker 120/240V 20A
New Feedonomics Feed - ARC 8/12/2025
$227.80
Connecticut Electric UBIF2100N Newly Manufactured Federal Pacific Electric Stab-Lok NA2100 Replacement, Two Pole 100 Amp Thick Series Circuit Breaker,
Amazon.com
75
Free shipping
$227.80
Connecticut Electric UBIF2100N Newly Manufactured Federal Pacific Electric Stab-Lok NA2100 Replacement, Two Pole 100 Amp Thick Series Circuit Breaker,
Amazon.com
75
$390.49
EH3050 | Quality Switchgear
Quality Switchgear
$390.49
EH3050 | Quality Switchgear
Quality Switchgear
$369.89
Blue Sea Systems 3102100 A-Series Double Pole 120V AC 30A ELCI Main Circuit Breaker
Amazon.com
Free shipping
$369.89
Blue Sea Systems 3102100 A-Series Double Pole 120V AC 30A ELCI Main Circuit Breaker
Amazon.com
Free shipping
$9,558.41
LX36450 | Quality Switchgear
Quality Switchgear
$9,558.41
LX36450 | Quality Switchgear
Quality Switchgear
$44.00
Square D By Schneider Electric Square D - HOM120PCAFIC Homeline Circuit Breaker, 20-Amp, 120V, 1-Pole CAFCI, Plug-On Neutral
Amazon.com
544
Free shipping
$44.00
Square D By Schneider Electric Square D - HOM120PCAFIC Homeline Circuit Breaker, 20-Amp, 120V, 1-Pole CAFCI, Plug-On Neutral
Amazon.com
544
$5.95
$6.84
Blue Sea Systems Push Button Reset-Only CLB Circuit Breakers With Quick Connect Terminals
Amazon.com
606
13% off
$5.95
$6.84
Blue Sea Systems Push Button Reset-Only CLB Circuit Breakers With Quick Connect Terminals
Amazon.com
606
$53.23
Square D - HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit Breaker,
Amazon.com
494
Free shipping
$53.23
Square D - HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit Breaker,
Amazon.com
494
$590.00
Square D Qo240pl : Cir Breaker 120/240V 40A 2Pole Plug On Pl
New Feedonomics Feed - ARC 8/12/2025
$590.00
Square D Qo240pl : Cir Breaker 120/240V 40A 2Pole Plug On Pl
New Feedonomics Feed - ARC 8/12/2025
$49.95
$60.72
Leviton 15A 1-Pole Plug-On AFCI/GFCI Branch Circuit Breaker, Thermal Magnetic, 120 VAC, LB115-DFT, White
Amazon.com
472
Free shipping
17% off
$49.95
$60.72
Leviton 15A 1-Pole Plug-On AFCI/GFCI Branch Circuit Breaker, Thermal Magnetic, 120 VAC, LB115-DFT, White
Amazon.com
472
$320.75
999315 | Quality Switchgear
Quality Switchgear
$320.75
999315 | Quality Switchgear
Quality Switchgear
$214.90
Square D By Schneider Electric HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit Breaker, (Pack Of 4)
Amazon.com
74
Free shipping
$214.90
Square D By Schneider Electric HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit Breaker, (Pack Of 4)
Amazon.com
74
$12.87
Chtaixi AC Miniature Circuit Breaker, 6 Amp 120V/240V 2 Pole DIN Rail Mount Circuit Breaker, Thermal Magnetic Trip, Solar AC Disconnect Switch MCB C6
Amazon.com
822
$12.87
Chtaixi AC Miniature Circuit Breaker, 6 Amp 120V/240V 2 Pole DIN Rail Mount Circuit Breaker, Thermal Magnetic Trip, Solar AC Disconnect Switch MCB C6
Amazon.com
822
$436.45
20 Amp Single Pole Dual Function Circuit Breakers (10 Pack)
Amazon.com
13
Free shipping
$436.45
20 Amp Single Pole Dual Function Circuit Breakers (10 Pack)
Amazon.com
13
$59.99
$77.89
Square D QOB330 Circuit Breaker
Amazon.com
9
22% off
$59.99
$77.89
Square D QOB330 Circuit Breaker
Amazon.com
9
$705.00
Square D Edb34030lh : Miniature Circuit Breaker 480Y/277V 30A
New Feedonomics Feed - ARC 8/12/2025
$705.00
Square D Edb34030lh : Miniature Circuit Breaker 480Y/277V 30A
New Feedonomics Feed - ARC 8/12/2025
$74.90
$103.23
Eaton Corporation Br2125 Double Pole Interchangeable Circuit Breaker, 120/240V, 125-Amp
Amazon.com
171
Free shipping
27% off
$74.90
$103.23
Eaton Corporation Br2125 Double Pole Interchangeable Circuit Breaker, 120/240V, 125-Amp
Amazon.com
171
$43.70
Siemens Q23040CT2 30-Amp Double Pole/40-Amp Double Pole 10-Kaic Circuit Breaker
Amazon.com
110
Free shipping
$43.70
Siemens Q23040CT2 30-Amp Double Pole/40-Amp Double Pole 10-Kaic Circuit Breaker
Amazon.com
110
$479.95
General Electric AK U-2-25-1 600 Amp Air Circuit Breaker GE 600V 3-Pole
King Surplus
$479.95
General Electric AK U-2-25-1 600 Amp Air Circuit Breaker GE 600V 3-Pole
King Surplus
$49.95
Schneider Electric M9F42305 5 Amp Miniature Circuit Breaker Multi 9 C60BP 480Y/277V 3-Phase 3- Pole
King Surplus
$49.95
Schneider Electric M9F42305 5 Amp Miniature Circuit Breaker Multi 9 C60BP 480Y/277V 3-Phase 3- Pole
King Surplus
$7,588.00
140G-J15C3-C40 ALLEN BRADLEY - Circuit Breaker & Molded Case Circuit Breaker Supplies
Radwell.com
$7,588.00
140G-J15C3-C40 ALLEN BRADLEY - Circuit Breaker & Molded Case Circuit Breaker Supplies
Radwell.com
$110.00
Cutler Hammer BAB3030H 30A 3P Bolt On Ckt Breaker-Ch
Amazon.com
11
Free shipping
$110.00
Cutler Hammer BAB3030H 30A 3P Bolt On Ckt Breaker-Ch
Amazon.com
11
$332.47
Square D Qo312l125grb Ld-Cntr Box & Int
Amazon.com
5
Free shipping
$332.47
Square D Qo312l125grb Ld-Cntr Box & Int
Amazon.com
5
$312.00
Square D Qou3105283 : Miniature Circuit Breaker 240V 10A
New Feedonomics Feed - ARC 8/12/2025
$312.00
Square D Qou3105283 : Miniature Circuit Breaker 240V 10A
New Feedonomics Feed - ARC 8/12/2025
Understanding Circuit Breakers | MISUMI USA #electricalengineering #circuitbreaker #engineeringtips
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Understanding Circuit Breakers | MISUMI USA #electricalengineering #circuitbreaker #engineeringtips
Do you know your circuit breaker terminology? Two common terms are rated current and trip current, which are very different specifications. Rated current refers to the maximum current the breaker can safely carry continuously under normal operating conditions without tripping. Trip current is the actual current level where the breaker will cut ...
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Shop circuit breaker

Sponsored
About our ads
$86.00
$128.90
SIEMENS US2:BF120A Circuit Breaker, Black
Amazon.com
21
Free shipping
33% off
$86.00
$128.90
SIEMENS US2:BF120A Circuit Breaker, Black
Amazon.com
$25.59
Square D Qo120vh : Miniature Circuit Breaker 120/240V 20A
New Feedonomics Feed - ARC 8/12/2025
$25.59
Square D Qo120vh : Miniature Circuit Breaker 120/240V 20A
New Feedonomics Feed - ARC 8/12/2025
$227.80
Connecticut Electric UBIF2100N Newly Manufactured Federal Pacific Electric Stab-Lok NA2100 Replacement, Two Pole 100 Amp Thick Series Circuit Breaker,
Amazon.com
75
Free shipping
$227.80
Connecticut Electric UBIF2100N Newly Manufactured Federal Pacific Electric Stab-Lok NA2100 Replacement, Two Pole 100 Amp Thick Series Circuit Breaker,
Amazon.com
$390.49
EH3050 | Quality Switchgear
Quality Switchgear
$390.49
EH3050 | Quality Switchgear
Quality Switchgear
$369.89
Blue Sea Systems 3102100 A-Series Double Pole 120V AC 30A ELCI Main Circuit Breaker
Amazon.com
Free shipping
$369.89
Blue Sea Systems 3102100 A-Series Double Pole 120V AC 30A ELCI Main Circuit Breaker
Amazon.com
$9,558.41
LX36450 | Quality Switchgear
Quality Switchgear
$9,558.41
LX36450 | Quality Switchgear
Quality Switchgear
$44.00
Square D By Schneider Electric Square D - HOM120PCAFIC Homeline Circuit Breaker, 20-Amp, 120V, 1-Pole CAFCI, Plug-On Neutral
Amazon.com
544
Free shipping
$44.00
Square D By Schneider Electric Square D - HOM120PCAFIC Homeline Circuit Breaker, 20-Amp, 120V, 1-Pole CAFCI, Plug-On Neutral
Amazon.com
$5.95
$6.84
Blue Sea Systems Push Button Reset-Only CLB Circuit Breakers With Quick Connect Terminals
Amazon.com
606
13% off
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Blue Sea Systems Push Button Reset-Only CLB Circuit Breakers With Quick Connect Terminals
Amazon.com
$53.23
Square D - HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit Breaker,
Amazon.com
494
Free shipping
$53.23
Square D - HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit Breaker,
Amazon.com
$590.00
Square D Qo240pl : Cir Breaker 120/240V 40A 2Pole Plug On Pl
New Feedonomics Feed - ARC 8/12/2025
$590.00
Square D Qo240pl : Cir Breaker 120/240V 40A 2Pole Plug On Pl
New Feedonomics Feed - ARC 8/12/2025
$49.95
$60.72
Leviton 15A 1-Pole Plug-On AFCI/GFCI Branch Circuit Breaker, Thermal Magnetic, 120 VAC, LB115-DFT, White
Amazon.com
472
Free shipping
17% off
$49.95
$60.72
Leviton 15A 1-Pole Plug-On AFCI/GFCI Branch Circuit Breaker, Thermal Magnetic, 120 VAC, LB115-DFT, White
Amazon.com
$320.75
999315 | Quality Switchgear
Quality Switchgear
$320.75
999315 | Quality Switchgear
Quality Switchgear
$214.90
Square D By Schneider Electric HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit Breaker, (Pack Of 4)
Amazon.com
74
Free shipping
$214.90
Square D By Schneider Electric HOM120PDFC Homeline Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI And GFCI) Circuit Breaker, (Pack Of 4)
Amazon.com
$12.87
Chtaixi AC Miniature Circuit Breaker, 6 Amp 120V/240V 2 Pole DIN Rail Mount Circuit Breaker, Thermal Magnetic Trip, Solar AC Disconnect Switch MCB C6
Amazon.com
822
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Chtaixi AC Miniature Circuit Breaker, 6 Amp 120V/240V 2 Pole DIN Rail Mount Circuit Breaker, Thermal Magnetic Trip, Solar AC Disconnect Switch MCB C6
Amazon.com
$436.45
20 Amp Single Pole Dual Function Circuit Breakers (10 Pack)
Amazon.com
13
Free shipping
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20 Amp Single Pole Dual Function Circuit Breakers (10 Pack)
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Square D QOB330 Circuit Breaker
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Square D Edb34030lh : Miniature Circuit Breaker 480Y/277V 30A
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$705.00
Square D Edb34030lh : Miniature Circuit Breaker 480Y/277V 30A
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$74.90
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Eaton Corporation Br2125 Double Pole Interchangeable Circuit Breaker, 120/240V, 125-Amp
Amazon.com
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Eaton Corporation Br2125 Double Pole Interchangeable Circuit Breaker, 120/240V, 125-Amp
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Shop circuit breaker

Sponsored
About our ads
$318.75
Siemens HF361R 30-Amp 3 Pole 600-Volt 3 Wire Fused Heavy Duty Safety Switches
Amazon.com
15
Free shipping
$318.75
Siemens HF361R 30-Amp 3 Pole 600-Volt 3 Wire Fused Heavy Duty Safety Switches
Amazon.com
15
$560.00
$595.42
SIEMENS GF224NR 200 Amp, 2 Pole, 240-Volt, 3 Wire, Fused, General Duty, Outdoor Rated
Amazon.com
5
$560.00
$595.42
SIEMENS GF224NR 200 Amp, 2 Pole, 240-Volt, 3 Wire, Fused, General Duty, Outdoor Rated
Amazon.com
5
$34.99
30 Amp Circuit Breaker
King Surplus
$34.99
30 Amp Circuit Breaker
King Surplus
$257.26
SCHNEIDER ELECTRIC 120/240-Volt 175-Amp HOM2175BB Miniature Circuit Breaker 120/240V 175A
Amazon.com
4
Free shipping
$257.26
SCHNEIDER ELECTRIC 120/240-Volt 175-Amp HOM2175BB Miniature Circuit Breaker 120/240V 175A
Amazon.com
4
$16.57
$29.99
Bussmann Series CB185 150A Type III Circuit Breaker - 1 Piece
Amazon.com
71
Free shipping
44% off
$16.57
$29.99
Bussmann Series CB185 150A Type III Circuit Breaker - 1 Piece
Amazon.com
71
$10.99
General Electric GE 20-Amp 1-Pole Standard Trip Circuit Breaker
King Surplus
$10.99
General Electric GE 20-Amp 1-Pole Standard Trip Circuit Breaker
King Surplus
$104.00
SIEMENS Q215GF Ground Fault Circuit Interrupter, 15 Amp, 2-Pole GFCI Circuit Breaker Replaces QF215A
Amazon.com
4
Free shipping
$104.00
SIEMENS Q215GF Ground Fault Circuit Interrupter, 15 Amp, 2-Pole GFCI Circuit Breaker Replaces QF215A
Amazon.com
4
$48.00
$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
85
Free shipping
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$48.00
$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
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Buyers Products CB251PB 250 Amp Circuit Breaker With Manual Push-To-Trip Reset With Large Frame, Protect Accessory Circuits, Electrical Equipment For
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Buyers Products CB251PB 250 Amp Circuit Breaker With Manual Push-To-Trip Reset With Large Frame, Protect Accessory Circuits, Electrical Equipment For
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Siemens QN2150 150A Double Pole 120/240-Volt 10K Type QN Circuit Breaker
Amazon.com
11
Free shipping
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Siemens QN2150 150A Double Pole 120/240-Volt 10K Type QN Circuit Breaker
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11
$98.00
Siemens QF250A Breaker Ground Fault Circuit Interrupter, 50 Amp, 2 Pole, 240 Volt, 10,000 AIC
Amazon.com
691
Free shipping
$98.00
Siemens QF250A Breaker Ground Fault Circuit Interrupter, 50 Amp, 2 Pole, 240 Volt, 10,000 AIC
Amazon.com
691
$86.00
$128.90
SIEMENS US2:BF120A Circuit Breaker, Black
Amazon.com
21
Free shipping
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$128.90
SIEMENS US2:BF120A Circuit Breaker, Black
Amazon.com
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Square D Qo120vh : Miniature Circuit Breaker 120/240V 20A
New Feedonomics Feed - ARC 8/12/2025
$25.59
Square D Qo120vh : Miniature Circuit Breaker 120/240V 20A
New Feedonomics Feed - ARC 8/12/2025
$227.80
Connecticut Electric UBIF2100N Newly Manufactured Federal Pacific Electric Stab-Lok NA2100 Replacement, Two Pole 100 Amp Thick Series Circuit Breaker,
Amazon.com
75
Free shipping
$227.80
Connecticut Electric UBIF2100N Newly Manufactured Federal Pacific Electric Stab-Lok NA2100 Replacement, Two Pole 100 Amp Thick Series Circuit Breaker,
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$390.49
EH3050 | Quality Switchgear
Quality Switchgear
$390.49
EH3050 | Quality Switchgear
Quality Switchgear
$369.89
Blue Sea Systems 3102100 A-Series Double Pole 120V AC 30A ELCI Main Circuit Breaker
Amazon.com
Free shipping
$369.89
Blue Sea Systems 3102100 A-Series Double Pole 120V AC 30A ELCI Main Circuit Breaker
Amazon.com
Free shipping
$9,558.41
LX36450 | Quality Switchgear
Quality Switchgear
$9,558.41
LX36450 | Quality Switchgear
Quality Switchgear
$44.00
Square D By Schneider Electric Square D - HOM120PCAFIC Homeline Circuit Breaker, 20-Amp, 120V, 1-Pole CAFCI, Plug-On Neutral
Amazon.com
544
Free shipping
$44.00
Square D By Schneider Electric Square D - HOM120PCAFIC Homeline Circuit Breaker, 20-Amp, 120V, 1-Pole CAFCI, Plug-On Neutral
Amazon.com
544