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Part #SQD QO120 20AMP 1POLE 120VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO120, 1-Pole Miniature Circuit Breaker, Standard, 120/240 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Pressu
MFG #QO120
353 in Stock. More available 08/24/2026
$20.16/EA
Part #SQD QO230 30AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO230, 2-Pole Miniature Circuit Breaker, Standard, 120/240 VAC, 30 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Pr
MFG #QO230
112 in Stock. More available 08/24/2026
$49.04/EA
Part #SQD HOM245 MINIATURE CIRCUIT Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 45 A, 50/60 Hz, 10 kA Interrupt, Instantaneous/Long Time/Thermal Magnetic Trip, 2 Pole, 1 ph, Terminal Screw, 8 to 2
MFG #HOM245
3 in Stock. More available 08/24/2026
$44.05/EA
Part #SQD HOM120DF BREAKER AFCI/GFCI 20A 1P 120V 10K HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Class A, 120 VAC, 20 A, 50/60 Hz, 10 kA Interrupt, Thermal Magnetic Trip, 1 Pole, Terminal Screw, 14 to 8 AWG, 14
MFG #HOM120DF
6 in Stock. More available 08/07/2026 and 08/24/2026
$184.94/EA
Part #SQD QO250 50AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO250, Miniature Circuit Breaker, Standard, 120/240 VAC, 50 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Box Lug C
MFG #QO250
95 in Stock. More available 08/24/2026
$53.20/EA
Part #SQD QO2100 100AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO2100, Miniature Circuit Breaker, Standard, 120/240 VAC, 100 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Box L
MFG #QO2100
62 in Stock. More available 08/24/2026
$132.99/EA
Part #SQD QOB320 3P 240V 20A CB BOLT ON Square Dâ„¢, QOB320, Miniature Circuit Breaker, Standard, 240 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Pressure Plate Connection, 14 to 8 AWG Wire
MFG #QOB320
10 in Stock. More available 08/07/2026 and 08/24/2026
$182.86/EA
Part #SQD QO245 2P 45A BREAKER Square Dâ„¢ QOâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 45 A, 50/60 Hz, 10 kA Interrupt, Thermal/Magnetic Trip, 2 Pole, 1 ph, Box Lug, 8 to 2 AWG Wire, Plug-In Mount, 40 deg C, 2.91 i
MFG #QO245
4 in Stock. More available 08/07/2026 and 08/24/2026
$70.65/EA
Part #SQD QOB130 SP-120/240V-30A CB Square Dâ„¢, QOB130, Miniature Circuit Breaker, Standard, 120/240 VAC, 30 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Pressure Plate Connection, 14 to 8 AWG Wire
MFG #QOB130
18 in Stock. More available 08/07/2026 and 08/24/2026
$33.25/EA
Part #SQD QO2020 20AMP/20AMP 1POLE 120VAC (2)20AMP 1POLE CIRCUITS PLUG-IN CIRCUIT BREAKER FOR USE IN NEW STYLE NON- CLASS CTL LOADCENTERS Square Dâ„¢ QOâ„¢ Miniature Circuit Breaker, Tandem, 120/240 VAC, 20 A, 50/60 Hz, 10 kA
MFG #QO2020
110 in Stock. More available 08/07/2026 and 08/24/2026
$108.05/EA
Part #SQD HOM230 30AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 30 A, 50/60 Hz, 10 kA Interrupt, Thermal/Magnetic Trip, 2 Pole, 1 ph, Screw, 14
MFG #HOM230
95 in Stock. More available 08/24/2026
$35.74/EA
Part #SQD QO120CAFI 20AMP 1POLE 120VAC COMBINATION ARC FAULT PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO120CAFI, Combination Miniature Arc Fault Circuit Breaker, 120 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QO/100 A Frame, K-Curv
MFG #QO120CAFI
3 in Stock. More available 08/07/2026 and 08/24/2026
$120.52/EA
Part #SQD HOMT2020230 2-1P 20A, 1-2P 30A Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Quad Tandem, Series: HOM, 120/240 VAC, 20/30 A, 10 kA Interrupt, Thermal/Magnetic Trip, 2 Pole, Screw Terminal Connection, 14 to 8 AWG
MFG #HOMT2020230
1 in Stock. More available 08/24/2026
$120.52/EA
Part #SQD QOB220 20AMP 2POLE 120/240VAC BOLT-ON CIRCUIT BREAKER QOB STYLE Square Dâ„¢, QOB220, 2-Pole Miniature Circuit Breaker, Standard, 240 VAC, 48 VDC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 2 Pole,
MFG #QOB220
49 in Stock. More available 08/24/2026
$56.10/EA
Part #SQD QO140 QO STANDARD MINIATURE CIRCUIT BREAKER, 120/240 VAC, 40 A, 10 KA, 1 POLE, THERMAL MAGNETIC TRIP Square Dâ„¢, QO140, Miniature Circuit Breaker, Standard, 120/240 VAC, 40 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal
MFG #QO140
4 in Stock. More available 08/24/2026
$22.44/EA
Part #SQD HOM220GFI 2P 20A GFCI BREAKER Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Class A Ground Fault, Series: HOM, 120/240 VAC, 20 A, 50/60 Hz, 10 kA Interrupt, Long Time/Instantaneous Trip, 2 Pole, 1 ph, Terminal S
MFG #HOM220GFI
18 in Stock. More available 08/24/2026
$241.04/EA
Part #SQD HOM120GFI 20AMP 1POLE 120VAC GROUND FAULT PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Class A Ground Fault, Series: HOM, 120/240 VAC, 20 A, 50/60 Hz, 10 kA Interrupt, Long Time
MFG #HOM120GFI
28 in Stock. More available 08/24/2026
$141.30/EA
Part #SQD HOM115CAFI 15AMP 1POLE 120VAC COMBINATION ARC FAULT PLUGIN CIRCUIT BREAKER HOMELINE Square Dâ„¢ HomeLineâ„¢ Combination Arc Fault Circuit Breaker, Type HOM, 120/240 VAC, 15 A, 50/60 Hz, 10 kA Interrupt, Long Time/Ins
MFG #HOM115CAFI
15 in Stock. More available 08/07/2026 and 08/24/2026
$128.83/EA
Part #SQD QOB120 20AMP 1POLE 120VAC BOLT-ON CIRCUIT BREAKER QOB STYLE Square Dâ„¢, QOB120, 1-Pole Miniature Circuit Breaker, Standard, 240 VAC, 48 VDC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph
MFG #QOB120
132 in Stock. More available 08/24/2026
$29.92/EA
Part #SQD HOM2100 100AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 100 A, 50/60 Hz, 10 kA Interrupt, Instantaneous/Long Time/Thermal Magnetic Tr
MFG #HOM2100
54 in Stock. More available 08/24/2026
$108.05/EA
Part #SQD PK23GTA 225AMP (23)TERMINAL GROUND BAR KIT FOR QO SERIES PK CIRCUIT BREAKER LOAD CENTERS Square D™ QO® Load Center Equipment Ground Bar Assembly, 8.11 in Length, 23 Terminals, 14 to 4 AWG Conductor, For Use With: QO Se
MFG #PK23GTA
9 in Stock. More available 08/24/2026
$35.33/EA
Part #SQD QO-QO160 STANDARD MINIATURE CIRCUIT BREAKER, 120/240 VAC, 60 A, 10 KA, 1 POLE, THERMAL MAGNETIC TRIP Square Dâ„¢ QOâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 60 A, 50/60 Hz Frequency, 10 kA Interrupt, Ther
MFG #QO-QO160
1 in Stock. More available 08/24/2026
Part #SQD QOB125 SQD QOB125 SP-120/240V-25A CB Square Dâ„¢, QOB125, Miniature Circuit Breaker, Standard, 120/240 VAC, 25 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Pressure Plate Connection, 14 to
MFG #QOB125
1 in Stock. More available 08/24/2026
Part #SQD QO120 20AMP 1POLE 120VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO120, 1-Pole Miniature Circuit Breaker, Standard, 120/240 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Pressu
MFG #QO120
353 in Stock. More available 08/24/2026
$20.16/EA
Part #SQD QO230 30AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO230, 2-Pole Miniature Circuit Breaker, Standard, 120/240 VAC, 30 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Pr
MFG #QO230
112 in Stock. More available 08/24/2026
$49.04/EA
Part #SQD HOM245 MINIATURE CIRCUIT Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 45 A, 50/60 Hz, 10 kA Interrupt, Instantaneous/Long Time/Thermal Magnetic Trip, 2 Pole, 1 ph, Terminal Screw, 8 to 2
MFG #HOM245
3 in Stock. More available 08/24/2026
$44.05/EA
Part #SQD HOM120DF BREAKER AFCI/GFCI 20A 1P 120V 10K HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Class A, 120 VAC, 20 A, 50/60 Hz, 10 kA Interrupt, Thermal Magnetic Trip, 1 Pole, Terminal Screw, 14 to 8 AWG, 14
MFG #HOM120DF
6 in Stock. More available 08/07/2026 and 08/24/2026
$184.94/EA
Part #SQD QO250 50AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO250, Miniature Circuit Breaker, Standard, 120/240 VAC, 50 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Box Lug C
MFG #QO250
95 in Stock. More available 08/24/2026
$53.20/EA
Part #SQD QO2100 100AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO2100, Miniature Circuit Breaker, Standard, 120/240 VAC, 100 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Box L
MFG #QO2100
62 in Stock. More available 08/24/2026
$132.99/EA
Part #SQD QOB320 3P 240V 20A CB BOLT ON Square Dâ„¢, QOB320, Miniature Circuit Breaker, Standard, 240 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Pressure Plate Connection, 14 to 8 AWG Wire
MFG #QOB320
10 in Stock. More available 08/07/2026 and 08/24/2026
$182.86/EA
Part #SQD QO245 2P 45A BREAKER Square Dâ„¢ QOâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 45 A, 50/60 Hz, 10 kA Interrupt, Thermal/Magnetic Trip, 2 Pole, 1 ph, Box Lug, 8 to 2 AWG Wire, Plug-In Mount, 40 deg C, 2.91 i
MFG #QO245
4 in Stock. More available 08/07/2026 and 08/24/2026
$70.65/EA
Part #SQD QOB130 SP-120/240V-30A CB Square Dâ„¢, QOB130, Miniature Circuit Breaker, Standard, 120/240 VAC, 30 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Pressure Plate Connection, 14 to 8 AWG Wire
MFG #QOB130
18 in Stock. More available 08/07/2026 and 08/24/2026
$33.25/EA
Part #SQD QO2020 20AMP/20AMP 1POLE 120VAC (2)20AMP 1POLE CIRCUITS PLUG-IN CIRCUIT BREAKER FOR USE IN NEW STYLE NON- CLASS CTL LOADCENTERS Square Dâ„¢ QOâ„¢ Miniature Circuit Breaker, Tandem, 120/240 VAC, 20 A, 50/60 Hz, 10 kA
MFG #QO2020
110 in Stock. More available 08/07/2026 and 08/24/2026
$108.05/EA
Part #SQD HOM230 30AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 30 A, 50/60 Hz, 10 kA Interrupt, Thermal/Magnetic Trip, 2 Pole, 1 ph, Screw, 14
MFG #HOM230
95 in Stock. More available 08/24/2026
$35.74/EA
Part #SQD QO120CAFI 20AMP 1POLE 120VAC COMBINATION ARC FAULT PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO120CAFI, Combination Miniature Arc Fault Circuit Breaker, 120 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QO/100 A Frame, K-Curv
MFG #QO120CAFI
3 in Stock. More available 08/07/2026 and 08/24/2026
$120.52/EA
Part #SQD HOMT2020230 2-1P 20A, 1-2P 30A Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Quad Tandem, Series: HOM, 120/240 VAC, 20/30 A, 10 kA Interrupt, Thermal/Magnetic Trip, 2 Pole, Screw Terminal Connection, 14 to 8 AWG
MFG #HOMT2020230
1 in Stock. More available 08/24/2026
$120.52/EA
Part #SQD QOB220 20AMP 2POLE 120/240VAC BOLT-ON CIRCUIT BREAKER QOB STYLE Square Dâ„¢, QOB220, 2-Pole Miniature Circuit Breaker, Standard, 240 VAC, 48 VDC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 2 Pole,
MFG #QOB220
49 in Stock. More available 08/24/2026
$56.10/EA
Part #SQD QO140 QO STANDARD MINIATURE CIRCUIT BREAKER, 120/240 VAC, 40 A, 10 KA, 1 POLE, THERMAL MAGNETIC TRIP Square Dâ„¢, QO140, Miniature Circuit Breaker, Standard, 120/240 VAC, 40 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal
MFG #QO140
4 in Stock. More available 08/24/2026
$22.44/EA
Part #SQD HOM220GFI 2P 20A GFCI BREAKER Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Class A Ground Fault, Series: HOM, 120/240 VAC, 20 A, 50/60 Hz, 10 kA Interrupt, Long Time/Instantaneous Trip, 2 Pole, 1 ph, Terminal S
MFG #HOM220GFI
18 in Stock. More available 08/24/2026
$241.04/EA
Part #SQD HOM120GFI 20AMP 1POLE 120VAC GROUND FAULT PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Class A Ground Fault, Series: HOM, 120/240 VAC, 20 A, 50/60 Hz, 10 kA Interrupt, Long Time
MFG #HOM120GFI
28 in Stock. More available 08/24/2026
$141.30/EA
Part #SQD HOM115CAFI 15AMP 1POLE 120VAC COMBINATION ARC FAULT PLUGIN CIRCUIT BREAKER HOMELINE Square Dâ„¢ HomeLineâ„¢ Combination Arc Fault Circuit Breaker, Type HOM, 120/240 VAC, 15 A, 50/60 Hz, 10 kA Interrupt, Long Time/Ins
MFG #HOM115CAFI
15 in Stock. More available 08/07/2026 and 08/24/2026
$128.83/EA
Part #SQD QOB120 20AMP 1POLE 120VAC BOLT-ON CIRCUIT BREAKER QOB STYLE Square Dâ„¢, QOB120, 1-Pole Miniature Circuit Breaker, Standard, 240 VAC, 48 VDC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph
MFG #QOB120
132 in Stock. More available 08/24/2026
$29.92/EA
Part #SQD HOM2100 100AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 100 A, 50/60 Hz, 10 kA Interrupt, Instantaneous/Long Time/Thermal Magnetic Tr
MFG #HOM2100
54 in Stock. More available 08/24/2026
$108.05/EA
Part #SQD PK23GTA 225AMP (23)TERMINAL GROUND BAR KIT FOR QO SERIES PK CIRCUIT BREAKER LOAD CENTERS Square D™ QO® Load Center Equipment Ground Bar Assembly, 8.11 in Length, 23 Terminals, 14 to 4 AWG Conductor, For Use With: QO Se
MFG #PK23GTA
9 in Stock. More available 08/24/2026
$35.33/EA
Part #SQD QO-QO160 STANDARD MINIATURE CIRCUIT BREAKER, 120/240 VAC, 60 A, 10 KA, 1 POLE, THERMAL MAGNETIC TRIP Square Dâ„¢ QOâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 60 A, 50/60 Hz Frequency, 10 kA Interrupt, Ther
MFG #QO-QO160
1 in Stock. More available 08/24/2026
Part #SQD QOB125 SQD QOB125 SP-120/240V-25A CB Square Dâ„¢, QOB125, Miniature Circuit Breaker, Standard, 120/240 VAC, 25 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Pressure Plate Connection, 14 to
MFG #QOB125
1 in Stock. More available 08/24/2026