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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 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 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 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 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 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 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 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 HOM260 60AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 60 A, 50/60 Hz, 10 kA Interrupt, Instantaneous/Long Time/Thermal Magnetic Trip,
MFG #HOM260
84 in Stock. More available 08/24/2026
$39.38/EA
$45.54/EA
Part #SQD QO270 70AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO270, Miniature Circuit Breaker, Standard, 120/240 VAC, 70 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Box Lug C
MFG #QO270
12 in Stock. More available 08/24/2026
$112.21/EA
Part #SQD QO1LO 1POLE CIRCUIT BREAKER LOCK-OFF QO STYLE Square Dâ„¢ Load Center Clamp, For Use With: QOâ„¢ Load Center
MFG #QO1LO
38 in Stock. More available 08/24/2026
$6.13/EA
Part #SQD HOM220 20AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 20 A, 50/60 Hz, 10 kA Interrupt, Thermal/Magnetic Trip, 2 Pole, 1 ph, Screw, 14
MFG #HOM220
131 in Stock. More available 08/24/2026
$34.08/EA
Part #SQD ZCKY07 OSISWITCH STRAIGHT ACTUATING KEY, FOR USE WITH XCSL SERIES SAFETY INTERLOCK LIMIT SWITCH LEVER, METAL
MFG #ZCKY07
1 in Stock. More available 08/24/2026
$74.81/EA
Part #SQD QOB3501021 MINIATURE CIRCUIT Square Dâ„¢ QOâ„¢ Miniature Circuit Breaker, Standard, 240 VAC, 50 A, 50/60 Hz Frequency, 10 kA Interrupt, Thermal/Magnetic Trip, 3 Pole, 3 ph, Box Lug Connection, 8 to 2 AWG Wire, Bolt-O
MFG #QOB3501021
1 in Stock. More available 08/24/2026
$768.83/EA
Part #SQD QO120GFI 20AMP 1POLE 120VAC GROUND FAULT PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO120GFI, Miniature Circuit Breaker, Class A Ground Fault, 120 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, K-Curve/Thermal Magneti
MFG #QO120GFI
17 in Stock. More available 08/07/2026 and 08/24/2026
$135.07/EA
Part #SQD HOM120PDF BRKR AFCI/GFCI 20A 1P 120V 10K PLUG-ON NEUTRAL HOMELINE Square Dâ„¢ Homelineâ„¢ Combination Miniature Circuit Breaker, Dual Function, 120 VAC, 20 A, 50/60 Hz, 10 kA Interrupt, Thermal Magnetic Trip, 1 Pole,
MFG #HOM120PDF
7 in Stock. More available 08/24/2026
$178.70/EA
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 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 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 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 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 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 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 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 HOM260 60AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 60 A, 50/60 Hz, 10 kA Interrupt, Instantaneous/Long Time/Thermal Magnetic Trip,
MFG #HOM260
84 in Stock. More available 08/24/2026
$39.38/EA
$45.54/EA
Part #SQD QO270 70AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO270, Miniature Circuit Breaker, Standard, 120/240 VAC, 70 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Box Lug C
MFG #QO270
12 in Stock. More available 08/24/2026
$112.21/EA
Part #SQD QO1LO 1POLE CIRCUIT BREAKER LOCK-OFF QO STYLE Square Dâ„¢ Load Center Clamp, For Use With: QOâ„¢ Load Center
MFG #QO1LO
38 in Stock. More available 08/24/2026
$6.13/EA
Part #SQD HOM220 20AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 20 A, 50/60 Hz, 10 kA Interrupt, Thermal/Magnetic Trip, 2 Pole, 1 ph, Screw, 14
MFG #HOM220
131 in Stock. More available 08/24/2026
$34.08/EA
Part #SQD ZCKY07 OSISWITCH STRAIGHT ACTUATING KEY, FOR USE WITH XCSL SERIES SAFETY INTERLOCK LIMIT SWITCH LEVER, METAL
MFG #ZCKY07
1 in Stock. More available 08/24/2026
$74.81/EA
Part #SQD QOB3501021 MINIATURE CIRCUIT Square Dâ„¢ QOâ„¢ Miniature Circuit Breaker, Standard, 240 VAC, 50 A, 50/60 Hz Frequency, 10 kA Interrupt, Thermal/Magnetic Trip, 3 Pole, 3 ph, Box Lug Connection, 8 to 2 AWG Wire, Bolt-O
MFG #QOB3501021
1 in Stock. More available 08/24/2026
$768.83/EA
Part #SQD QO120GFI 20AMP 1POLE 120VAC GROUND FAULT PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO120GFI, Miniature Circuit Breaker, Class A Ground Fault, 120 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, K-Curve/Thermal Magneti
MFG #QO120GFI
17 in Stock. More available 08/07/2026 and 08/24/2026
$135.07/EA
Part #SQD HOM120PDF BRKR AFCI/GFCI 20A 1P 120V 10K PLUG-ON NEUTRAL HOMELINE Square Dâ„¢ Homelineâ„¢ Combination Miniature Circuit Breaker, Dual Function, 120 VAC, 20 A, 50/60 Hz, 10 kA Interrupt, Thermal Magnetic Trip, 1 Pole,
MFG #HOM120PDF
7 in Stock. More available 08/24/2026
$178.70/EA