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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
522 in Stock. More available 07/11/2026
$20.16/EA
Part #SQD QOB230 30AMP 2POLE 120/240VAC BOLT-ON CIRCUIT BREAKER QOB STYLE Square Dâ„¢, QOB230, 2-Pole Miniature Circuit Breaker, Standard, 240 VAC, 48 VDC, 30 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 2 Pole,
MFG #QOB230
41 in Stock. More available 07/11/2026
$56.10/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
113 in Stock. More available 07/11/2026
$108.05/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
58 in Stock. More available 06/22/2026 and 07/11/2026
$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
9 in Stock. More available 06/22/2026 and 07/11/2026
$182.86/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
179 in Stock. More available 07/11/2026
$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
75 in Stock. More available 07/11/2026
$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
5 in Stock. More available 07/11/2026
$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 07/11/2026
Part #SQD DASKS100 LUG KIT
MFG #DASKS100
73 in Stock. More available 07/03/2026 and 07/06/2026
$45.54/EA
Part #SQD QO1LO 1POLE CIRCUIT BREAKER LOCK-OFF QO STYLE Square Dâ„¢ Load Center Clamp, For Use With: QOâ„¢ Load Center
MFG #QO1LO
42 in Stock. More available 07/11/2026
$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
154 in Stock. More available 06/26/2026 and 07/11/2026
$34.08/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 07/11/2026
$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
30 in Stock. More available 07/11/2026
$135.07/EA
Part #SQD QO115GFI 15AMP 1POLE 120VAC GROUND FAULT PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO115GFI, Class A Ground Fault Miniature Circuit Breaker, 120 VAC, 15 A, 60 Hz Frequency, 10 kA Interrupt, QO/100A Frame, Thermal/Magnetic Trip,
MFG #QO115GFI
10 in Stock. More available 07/11/2026
$128.83/EA
Part #SQD QOU260 2P-240V-60A UNIT MOUNT CB Square Dâ„¢ Miniature Circuit Breaker, 120/240 VAC, 60 A, 50/60 Hz Frequency, 10 kA Interrupt, QOU Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, Box Lug Connection, 14 to 2 AWG Wire,
MFG #QOU260
6 in Stock. More available 07/11/2026
$80.00/EA
Part #SQD QO200TR A/C DISCONNECT 60AMP 240VAC 1PHASE NO OVERCURRENT PROTECTION NEMA3R Square Dâ„¢, QO200TR, Air Conditioning Disconnect, Non-Fusible, Series: QO Series, 240 VAC, 60 A, 10 hp, 1 ph, 2 Pole, 2 Wires, 10 kA Short Circuit, 2PST C
MFG #QO200TR
2 in Stock. More available 07/08/2026
$107.57/EA
Part #SQD QO70AN LOAD CENTER NEUTRAL LUG KIT 12 TO 2 AWG AL 14 TO 4 AWG CU FOR USE WITH QO LOAD CENTER Square Dâ„¢ Neutral Lug Kit
MFG #QO70AN
Part #SQD QO225 25AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO225, Standard Miniature Circuit Breaker, 120/240 VAC, 25 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Pressure P
MFG #QO225
40 in Stock. More available 07/11/2026
$51.53/EA
Part #SQD PK9GTA CENTER GROUNDING BAR ASSEMBLY (9) TERMINALS TOP MOUNT FOR QO SERIES PK CIRCUIT BREAKER LOAD CENTERS Square Dâ„¢ Ground Bar Assembly, For Use With: QOâ„¢ Load Centers
MFG #PK9GTA
9 in Stock. More available 07/11/2026
$27.43/EA
Part #SQD QO350 50AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO350, Miniature Circuit Breaker, Standard, 240 VAC, 50 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Box Lug Connectio
MFG #QO350
10 in Stock. More available 07/11/2026
$160.00/EA
Part #SQD QOB2150VH TYPE QOB-VH MINIATURE CIRCUIT BREAKER, 120/240 VAC, 150 A, 22 KA AT 120/240 VAC, 2 POLES, THERMAL MAGNETIC TRIP Square Dâ„¢ QOâ„¢ Miniature Circuit Breaker, Type QOB-VH Standard, 120/240 VAC, 150 A, 50/60 H
MFG #QOB2150VH
1 in Stock. More available 07/11/2026
$987.01/EA
Part #SQD QO260 60AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO260, 2-Pole Miniature Circuit Breaker, Standard, 120/240 VAC, 60 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Bo
MFG #QO260
58 in Stock. More available 07/11/2026
$53.20/EA
Part #SQD QOU120 ENERGY LIMITING THERMAL, MAGNETIC 20A, 1POLE Square Dâ„¢, QOU120, Standard Mount Miniature Circuit Breaker, 120/240 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QOU Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Toggle Actua
MFG #QOU120
2 in Stock. More available 07/11/2026
$37.82/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
522 in Stock. More available 07/11/2026
$20.16/EA
Part #SQD QOB230 30AMP 2POLE 120/240VAC BOLT-ON CIRCUIT BREAKER QOB STYLE Square Dâ„¢, QOB230, 2-Pole Miniature Circuit Breaker, Standard, 240 VAC, 48 VDC, 30 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 2 Pole,
MFG #QOB230
41 in Stock. More available 07/11/2026
$56.10/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
113 in Stock. More available 07/11/2026
$108.05/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
58 in Stock. More available 06/22/2026 and 07/11/2026
$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
9 in Stock. More available 06/22/2026 and 07/11/2026
$182.86/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
179 in Stock. More available 07/11/2026
$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
75 in Stock. More available 07/11/2026
$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
5 in Stock. More available 07/11/2026
$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 07/11/2026
Part #SQD DASKS100 LUG KIT
MFG #DASKS100
73 in Stock. More available 07/03/2026 and 07/06/2026
$45.54/EA
Part #SQD QO1LO 1POLE CIRCUIT BREAKER LOCK-OFF QO STYLE Square Dâ„¢ Load Center Clamp, For Use With: QOâ„¢ Load Center
MFG #QO1LO
42 in Stock. More available 07/11/2026
$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
154 in Stock. More available 06/26/2026 and 07/11/2026
$34.08/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 07/11/2026
$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
30 in Stock. More available 07/11/2026
$135.07/EA
Part #SQD QO115GFI 15AMP 1POLE 120VAC GROUND FAULT PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO115GFI, Class A Ground Fault Miniature Circuit Breaker, 120 VAC, 15 A, 60 Hz Frequency, 10 kA Interrupt, QO/100A Frame, Thermal/Magnetic Trip,
MFG #QO115GFI
10 in Stock. More available 07/11/2026
$128.83/EA
Part #SQD QOU260 2P-240V-60A UNIT MOUNT CB Square Dâ„¢ Miniature Circuit Breaker, 120/240 VAC, 60 A, 50/60 Hz Frequency, 10 kA Interrupt, QOU Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, Box Lug Connection, 14 to 2 AWG Wire,
MFG #QOU260
6 in Stock. More available 07/11/2026
$80.00/EA
Part #SQD QO200TR A/C DISCONNECT 60AMP 240VAC 1PHASE NO OVERCURRENT PROTECTION NEMA3R Square Dâ„¢, QO200TR, Air Conditioning Disconnect, Non-Fusible, Series: QO Series, 240 VAC, 60 A, 10 hp, 1 ph, 2 Pole, 2 Wires, 10 kA Short Circuit, 2PST C
MFG #QO200TR
2 in Stock. More available 07/08/2026
$107.57/EA
Part #SQD QO70AN LOAD CENTER NEUTRAL LUG KIT 12 TO 2 AWG AL 14 TO 4 AWG CU FOR USE WITH QO LOAD CENTER Square Dâ„¢ Neutral Lug Kit
MFG #QO70AN
Part #SQD QO225 25AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO225, Standard Miniature Circuit Breaker, 120/240 VAC, 25 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Pressure P
MFG #QO225
40 in Stock. More available 07/11/2026
$51.53/EA
Part #SQD PK9GTA CENTER GROUNDING BAR ASSEMBLY (9) TERMINALS TOP MOUNT FOR QO SERIES PK CIRCUIT BREAKER LOAD CENTERS Square Dâ„¢ Ground Bar Assembly, For Use With: QOâ„¢ Load Centers
MFG #PK9GTA
9 in Stock. More available 07/11/2026
$27.43/EA
Part #SQD QO350 50AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO350, Miniature Circuit Breaker, Standard, 240 VAC, 50 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Box Lug Connectio
MFG #QO350
10 in Stock. More available 07/11/2026
$160.00/EA
Part #SQD QOB2150VH TYPE QOB-VH MINIATURE CIRCUIT BREAKER, 120/240 VAC, 150 A, 22 KA AT 120/240 VAC, 2 POLES, THERMAL MAGNETIC TRIP Square Dâ„¢ QOâ„¢ Miniature Circuit Breaker, Type QOB-VH Standard, 120/240 VAC, 150 A, 50/60 H
MFG #QOB2150VH
1 in Stock. More available 07/11/2026
$987.01/EA
Part #SQD QO260 60AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO260, 2-Pole Miniature Circuit Breaker, Standard, 120/240 VAC, 60 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Bo
MFG #QO260
58 in Stock. More available 07/11/2026
$53.20/EA
Part #SQD QOU120 ENERGY LIMITING THERMAL, MAGNETIC 20A, 1POLE Square Dâ„¢, QOU120, Standard Mount Miniature Circuit Breaker, 120/240 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QOU Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Toggle Actua
MFG #QOU120
2 in Stock. More available 07/11/2026
$37.82/EA