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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
357 in Stock. More available 10/11/2026
$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
247 in Stock. More available 10/11/2026
$49.04/EA
Part #SQD HOM120 20AMP 1POLE 120VAC PLUGIN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 20 A, 50/60 Hz, 10 kA Interrupt, Thermal/Magnetic Trip, 1 Pole, 1 ph, Screw, 14 to 8
MFG #HOM120
337 in Stock. More available 10/11/2026
$14.13/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
206 in Stock. More available 10/11/2026
$35.74/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
136 in Stock. More available 10/11/2026
$108.05/EA
Part #SQD QO220 20AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO220, Miniature Circuit Breaker, Standard, 120/240 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QO/100 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Pre
MFG #QO220
195 in Stock. More available 09/22/2026 and 10/11/2026
$49.04/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
127 in Stock. More available 09/22/2026 and 10/11/2026
$34.08/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
178 in Stock. More available 10/11/2026
$29.92/EA
Part #SQD HOM115 15AMP 1POLE 120VAC PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 15 A, 50/60 Hz, 10 kA Interrupt, Thermal/Magnetic Trip, 1 Pole, 1 ph, Screw, 14 to
MFG #HOM115
282 in Stock. More available 10/11/2026
$14.13/EA
Part #SQD QO115 15AMP 1POLE 120VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO115, 1-Pole Miniature Circuit Breaker, Standard, 120/240 VAC, 15 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Pressu
MFG #QO115
191 in Stock. More available 09/22/2026 and 10/11/2026
$20.16/EA
Part #SQD HOM240 40AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢, HOM240, Miniature Circuit Breaker, Standard, 120/240 VAC, 40 A, 50/60 Hz Frequency, 10 kA Interrupt, HOM Frame, K-Curve/Thermal Magnetic Trip, 2 Pole, 1 ph
MFG #HOM240
111 in Stock. More available 10/11/2026
$35.74/EA
Part #SQD HOMT2020 20AMP/20AMP 1POLE 120VAC (2)20AMP 1POLE CIRCUITS PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Tandem, Series: HOM, 120/240 VAC, 20 A, 50/60 Hz, 10 kA Interrupt, Thermal
MFG #HOMT2020
176 in Stock. More available 10/11/2026
$39.48/EA
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
117 in Stock. More available 10/11/2026
$39.38/EA
Part #SQD QO240 40AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO240, 2-Pole Miniature Circuit Breaker, Standard, 120/240 VAC, 40 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Bo
MFG #QO240
100 in Stock. More available 10/11/2026
$51.53/EA
Part #SQD BUQFP FILLER PLATES BRANCH CIRCUIT SNAP-IN (QO) SAME AS QOFP Square Dâ„¢ Load Center Filler Plate, 2 in Length, 3 in Width, Surface Mounting, For Use With: QO Loadcenter
MFG #BUQFP
218 in Stock. More available 10/11/2026
$3.74/EA
Part #SQD HOM115PCAFI HOMELINE TYPE HOM COMBINATION ARC FAULT CIRCUIT BREAKER, 120/240 VAC, 15 A, 10 KA, 1 POLE, LONG TIME/INSTANTANEOUS TRIP Square Dâ„¢ HomeLineâ„¢ Combination Arc Fault Circuit Breaker, Type HOM, 120/240 VAC
MFG #HOM115PCAFI
19 in Stock. More available 10/11/2026
$86.86/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
122 in Stock. More available 10/11/2026
$53.20/EA
Part #SQD HOM250 50AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 50 A, 50/60 Hz, 10 kA Interrupt, Thermal/Magnetic Trip, 2 Pole, 1 ph, Screw, 8
MFG #HOM250
128 in Stock. More available 10/11/2026
$39.38/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
118 in Stock. More available 09/22/2026 and 10/11/2026
$53.20/EA
Part #SQD HOMT1515 15AMP/15AMP 1POLE 120VAC (2)15AMP 1POLE CIRCUITS PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Tandem, Series: HOM, 120/240 VAC, 15 A, 10 kA Interrupt, Thermal/Magnetic
MFG #HOMT1515
124 in Stock. More available 10/11/2026
$39.48/EA
Part #SQD QO1515 15AMP/15AMP 1POLE 120VAC (2)15AMP 1POLE CIRCUITS PLUG-IN CIRCUIT BREAKER FOR USE IN OLD STYLE NON- CLASS CTL LOADCENTERS Square Dâ„¢ QOâ„¢ Miniature Circuit Breaker, Tandem, 120/240 VAC, 15 A, 50/60 Hz, 10 kA
MFG #QO1515
86 in Stock. More available 09/24/2026 and 10/11/2026
$116.36/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
77 in Stock. More available 09/22/2026 and 10/11/2026
$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
80 in Stock. More available 09/22/2026 and 10/11/2026
$132.99/EA
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
50 in Stock. More available 09/25/2026 and 10/11/2026
$51.53/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
357 in Stock. More available 10/11/2026
$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
247 in Stock. More available 10/11/2026
$49.04/EA
Part #SQD HOM120 20AMP 1POLE 120VAC PLUGIN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 20 A, 50/60 Hz, 10 kA Interrupt, Thermal/Magnetic Trip, 1 Pole, 1 ph, Screw, 14 to 8
MFG #HOM120
337 in Stock. More available 10/11/2026
$14.13/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
206 in Stock. More available 10/11/2026
$35.74/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
136 in Stock. More available 10/11/2026
$108.05/EA
Part #SQD QO220 20AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO220, Miniature Circuit Breaker, Standard, 120/240 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QO/100 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Pre
MFG #QO220
195 in Stock. More available 09/22/2026 and 10/11/2026
$49.04/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
127 in Stock. More available 09/22/2026 and 10/11/2026
$34.08/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
178 in Stock. More available 10/11/2026
$29.92/EA
Part #SQD HOM115 15AMP 1POLE 120VAC PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 15 A, 50/60 Hz, 10 kA Interrupt, Thermal/Magnetic Trip, 1 Pole, 1 ph, Screw, 14 to
MFG #HOM115
282 in Stock. More available 10/11/2026
$14.13/EA
Part #SQD QO115 15AMP 1POLE 120VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO115, 1-Pole Miniature Circuit Breaker, Standard, 120/240 VAC, 15 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Pressu
MFG #QO115
191 in Stock. More available 09/22/2026 and 10/11/2026
$20.16/EA
Part #SQD HOM240 40AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢, HOM240, Miniature Circuit Breaker, Standard, 120/240 VAC, 40 A, 50/60 Hz Frequency, 10 kA Interrupt, HOM Frame, K-Curve/Thermal Magnetic Trip, 2 Pole, 1 ph
MFG #HOM240
111 in Stock. More available 10/11/2026
$35.74/EA
Part #SQD HOMT2020 20AMP/20AMP 1POLE 120VAC (2)20AMP 1POLE CIRCUITS PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Tandem, Series: HOM, 120/240 VAC, 20 A, 50/60 Hz, 10 kA Interrupt, Thermal
MFG #HOMT2020
176 in Stock. More available 10/11/2026
$39.48/EA
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
117 in Stock. More available 10/11/2026
$39.38/EA
Part #SQD QO240 40AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO240, 2-Pole Miniature Circuit Breaker, Standard, 120/240 VAC, 40 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Bo
MFG #QO240
100 in Stock. More available 10/11/2026
$51.53/EA
Part #SQD BUQFP FILLER PLATES BRANCH CIRCUIT SNAP-IN (QO) SAME AS QOFP Square Dâ„¢ Load Center Filler Plate, 2 in Length, 3 in Width, Surface Mounting, For Use With: QO Loadcenter
MFG #BUQFP
218 in Stock. More available 10/11/2026
$3.74/EA
Part #SQD HOM115PCAFI HOMELINE TYPE HOM COMBINATION ARC FAULT CIRCUIT BREAKER, 120/240 VAC, 15 A, 10 KA, 1 POLE, LONG TIME/INSTANTANEOUS TRIP Square Dâ„¢ HomeLineâ„¢ Combination Arc Fault Circuit Breaker, Type HOM, 120/240 VAC
MFG #HOM115PCAFI
19 in Stock. More available 10/11/2026
$86.86/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
122 in Stock. More available 10/11/2026
$53.20/EA
Part #SQD HOM250 50AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Standard, 120/240 VAC, 50 A, 50/60 Hz, 10 kA Interrupt, Thermal/Magnetic Trip, 2 Pole, 1 ph, Screw, 8
MFG #HOM250
128 in Stock. More available 10/11/2026
$39.38/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
118 in Stock. More available 09/22/2026 and 10/11/2026
$53.20/EA
Part #SQD HOMT1515 15AMP/15AMP 1POLE 120VAC (2)15AMP 1POLE CIRCUITS PLUG-IN CIRCUIT BREAKER HOMELINE Square Dâ„¢ Homelineâ„¢ Miniature Circuit Breaker, Tandem, Series: HOM, 120/240 VAC, 15 A, 10 kA Interrupt, Thermal/Magnetic
MFG #HOMT1515
124 in Stock. More available 10/11/2026
$39.48/EA
Part #SQD QO1515 15AMP/15AMP 1POLE 120VAC (2)15AMP 1POLE CIRCUITS PLUG-IN CIRCUIT BREAKER FOR USE IN OLD STYLE NON- CLASS CTL LOADCENTERS Square Dâ„¢ QOâ„¢ Miniature Circuit Breaker, Tandem, 120/240 VAC, 15 A, 50/60 Hz, 10 kA
MFG #QO1515
86 in Stock. More available 09/24/2026 and 10/11/2026
$116.36/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
77 in Stock. More available 09/22/2026 and 10/11/2026
$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
80 in Stock. More available 09/22/2026 and 10/11/2026
$132.99/EA
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
50 in Stock. More available 09/25/2026 and 10/11/2026
$51.53/EA