QO Plug-in Series

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SQD QO260

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

115 in Stock. More available 12/20/2025 and 01/08/2026

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$53.20 per EA (1) / EA

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U/M

EA BX /5

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SQD QO130

Part #SQD QO130 30AMP 1POLE 120VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO130, 1-Pole Miniature Circuit Breaker, Standard, 120/240 VAC, 30 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Pressu

MFG #QO130

47 in Stock. More available 01/08/2026

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$21.20 per EA (1) / EA

Regular Price: $24.01 per EA (1), you save $2.81 (12%)

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U/M

EA BX /10

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SQD QO2020

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

147 in Stock. More available 01/08/2026

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$116.36 per EA (1) / EA

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U/M

EA BX /10

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SQD QO120CAFI

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

10 in Stock. More available 12/20/2025 and 01/08/2026

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$116.36 per EA (1) / EA

Regular Price: $232.65 per EA (1), you save $116.29 (50%)

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SQD QO270

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

10 in Stock. More available 01/08/2026

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$116.36 per EA (1) / EA

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U/M

EA BX /5

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SQD QO230

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

354 in Stock. More available 01/08/2026

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$51.12 per EA (1) / EA

QTY

U/M

EA BX /5

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SQD QO2125

Part #SQD QO2125 125AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO2125, Standard Miniature Circuit Breaker, 120/240 VAC, 125 A, 50/60 Hz Frequency, 10 kA Interrupt, QO/100 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph,

MFG #QO2125

1 in Stock. More available 01/08/2026

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$232.73 per EA (1) / EA

Regular Price: $353.10 per EA (1), you save $120.37 (34%)

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SQD QO120DF

Part #SQD QO120DF BRKR AFCI/GFCI 20A 1P 120V 10K Square Dâ„¢ QOâ„¢ Combination Miniature Circuit Breaker, Dual Function, 120 VAC, 20 A, 50/60 Hz, 10 kA Interrupt, Thermal Magnetic Trip, 1 Pole, 1 ph, Pressure Plate, 14 to 8 AW

MFG #QO120DF

20 in Stock. More available 01/08/2026

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$137.14 per EA (1) / EA

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SQD QO120GFI

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

43 in Stock. More available 12/20/2025 and 01/08/2026

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$132.99 per EA (1) / EA

Regular Price: $192.23 per EA (1), you save $59.24 (31%)

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U/M

EA CA /6CS /6

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SQD QO115GFI

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 01/08/2026

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$128.83 per EA (1) / EA

Regular Price: $192.23 per EA (1), you save $63.40 (33%)

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SQD QO225

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 01/08/2026

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$55.27 per EA (1) / EA

QTY

U/M

EA BX /5

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SQD QO350

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

11 in Stock. More available 01/08/2026

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$160.00 per EA (1) / EA

Regular Price: $188.23 per EA (1), you save $28.23 (15%)

QTY

U/M

EA BX /3

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SQD QO120

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

402 in Stock. More available 12/20/2025 and 01/08/2026

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$21.20 per EA (1) / EA

Regular Price: $24.01 per EA (1), you save $2.81 (12%)

QTY

U/M

EA BX /10

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SQD QO1515

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

106 in Stock. More available 12/20/2025 and 01/08/2026

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$116.36 per EA (1) / EA

QTY

U/M

EA BX /10

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SQD QO115CAFI

Part #SQD QO115CAFI 15AMP 1POLE 120VAC COMBINATION ARC FAULT PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO115CAFI, Arc Fault Circuit Breaker, 120 VAC, 15 A, 60 Hz Frequency, 10 kA Interrupt, QO/100 A Frame, Thermal/Magnetic Trip, 1 Pole,

MFG #QO115CAFI

14 in Stock. More available 01/08/2026

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$123.64 per EA (1) / EA

Regular Price: $232.65 per EA (1), you save $109.01 (47%)

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SQD QO220

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

204 in Stock. More available 01/08/2026

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$51.12 per EA (1) / EA

QTY

U/M

EA BX /5

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SQD QO240

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

118 in Stock. More available 01/08/2026

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$53.20 per EA (1) / EA

QTY

U/M

EA BX /5

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SQD QO250

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

126 in Stock. More available 01/08/2026

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$53.20 per EA (1) / EA

QTY

U/M

EA BX /5

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SQD QO320

Part #SQD QO320 20AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO320, Miniature Circuit Breaker, Standard, 240 VAC, 20 A, 60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Pre

MFG #QO320

9 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$160.00 per EA (1) / EA

Regular Price: $188.23 per EA (1), you save $28.23 (15%)

QTY

U/M

EA BX /3

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SQD QO250GFI

Part #SQD QO250GFI 50AMP 2POLE 120/240VAC GROUND FAULT PLUG-IN CIRCIT BREAKER QO STYLE Square Dâ„¢, QO250GFI, Miniature Circuit Breaker, Class A Ground Fault, 120/240 VAC, 50 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal Magnetic

MFG #QO250GFI

10 in Stock. More available 01/08/2026

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$265.97 per EA (1) / EA

Regular Price: $340.73 per EA (1), you save $74.76 (22%)

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SQD QO215

Part #SQD QO215 15AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO215, 2-Pole Miniature Circuit Breaker, Standard, 120/240 VAC, 15 A, 50/60 Hz Frequency, 10 kA Interrupt, QO/100 A Frame, Thermal/Magnetic Trip, 2 Pole, 1

MFG #QO215

66 in Stock. More available 12/20/2025 and 01/08/2026

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$51.12 per EA (1) / EA

QTY

U/M

EA BX /5

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SQD QO340

Part #SQD QO340 40AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO340, Miniature Circuit Breaker, Standard, 240 VAC, 40 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Box Lug Connectio

MFG #QO340

5 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$160.00 per EA (1) / EA

Regular Price: $188.23 per EA (1), you save $28.23 (15%)

QTY

U/M

EA BX /3

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SQD QOT2020

Part #SQD QOT2020 20AMP/20AMP 1POLE 120VAC (2)20AMP 1POLE CIRCUIT BREAKERS FOR OLD STYLE LOADCENTERS Square Dâ„¢, QOT2020, Miniature Circuit Breaker, Tandem, 120/240 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QOT Frame, K-Curve/Thermal

MFG #QOT2020

34 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$54.03 per EA (1) / EA

QTY

U/M

EA BX /10

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SQD QO360

Part #SQD QO360 60AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO360, 3-Pole Miniature Circuit Breaker, Standard, 240 VAC, 60 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Box Lug Co

MFG #QO360

10 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$170.39 per EA (1) / EA

Regular Price: $188.23 per EA (1), you save $17.84 (9%)

QTY

U/M

EA BX /3

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SQD QO260

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

115 in Stock. More available 12/20/2025 and 01/08/2026

VIEW BRANCH INVENTORY

$53.20 per EA (1) / EA

QTY

U/M

EA BX /5

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SQD QO130

Part #SQD QO130 30AMP 1POLE 120VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO130, 1-Pole Miniature Circuit Breaker, Standard, 120/240 VAC, 30 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Pressu

MFG #QO130

47 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$21.20 per EA (1) / EA

Regular Price: $24.01 per EA (1), you save $2.81 (12%)

QTY

U/M

EA BX /10

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SQD QO2020

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

147 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$116.36 per EA (1) / EA

QTY

U/M

EA BX /10

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SQD QO120CAFI

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

10 in Stock. More available 12/20/2025 and 01/08/2026

VIEW BRANCH INVENTORY

$116.36 per EA (1) / EA

Regular Price: $232.65 per EA (1), you save $116.29 (50%)

QTY

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SQD QO270

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

10 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$116.36 per EA (1) / EA

QTY

U/M

EA BX /5

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SQD QO230

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

354 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$51.12 per EA (1) / EA

QTY

U/M

EA BX /5

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SQD QO2125

Part #SQD QO2125 125AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO2125, Standard Miniature Circuit Breaker, 120/240 VAC, 125 A, 50/60 Hz Frequency, 10 kA Interrupt, QO/100 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph,

MFG #QO2125

1 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$232.73 per EA (1) / EA

Regular Price: $353.10 per EA (1), you save $120.37 (34%)

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SQD QO120DF

Part #SQD QO120DF BRKR AFCI/GFCI 20A 1P 120V 10K Square Dâ„¢ QOâ„¢ Combination Miniature Circuit Breaker, Dual Function, 120 VAC, 20 A, 50/60 Hz, 10 kA Interrupt, Thermal Magnetic Trip, 1 Pole, 1 ph, Pressure Plate, 14 to 8 AW

MFG #QO120DF

20 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$137.14 per EA (1) / EA

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SQD QO120GFI

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

43 in Stock. More available 12/20/2025 and 01/08/2026

VIEW BRANCH INVENTORY

$132.99 per EA (1) / EA

Regular Price: $192.23 per EA (1), you save $59.24 (31%)

QTY

U/M

EA CA /6CS /6

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SQD QO115GFI

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 01/08/2026

VIEW BRANCH INVENTORY

$128.83 per EA (1) / EA

Regular Price: $192.23 per EA (1), you save $63.40 (33%)

QTY

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SQD QO225

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 01/08/2026

VIEW BRANCH INVENTORY

$55.27 per EA (1) / EA

QTY

U/M

EA BX /5

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SQD QO350

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

11 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$160.00 per EA (1) / EA

Regular Price: $188.23 per EA (1), you save $28.23 (15%)

QTY

U/M

EA BX /3

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SQD QO120

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

402 in Stock. More available 12/20/2025 and 01/08/2026

VIEW BRANCH INVENTORY

$21.20 per EA (1) / EA

Regular Price: $24.01 per EA (1), you save $2.81 (12%)

QTY

U/M

EA BX /10

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SQD QO1515

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

106 in Stock. More available 12/20/2025 and 01/08/2026

VIEW BRANCH INVENTORY

$116.36 per EA (1) / EA

QTY

U/M

EA BX /10

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SQD QO115CAFI

Part #SQD QO115CAFI 15AMP 1POLE 120VAC COMBINATION ARC FAULT PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO115CAFI, Arc Fault Circuit Breaker, 120 VAC, 15 A, 60 Hz Frequency, 10 kA Interrupt, QO/100 A Frame, Thermal/Magnetic Trip, 1 Pole,

MFG #QO115CAFI

14 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$123.64 per EA (1) / EA

Regular Price: $232.65 per EA (1), you save $109.01 (47%)

QTY

ADD TO CARTADD TO LIST

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SQD QO220

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

204 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$51.12 per EA (1) / EA

QTY

U/M

EA BX /5

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SQD QO240

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

118 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$53.20 per EA (1) / EA

QTY

U/M

EA BX /5

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SQD QO250

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

126 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$53.20 per EA (1) / EA

QTY

U/M

EA BX /5

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SQD QO320

Part #SQD QO320 20AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO320, Miniature Circuit Breaker, Standard, 240 VAC, 20 A, 60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Pre

MFG #QO320

9 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$160.00 per EA (1) / EA

Regular Price: $188.23 per EA (1), you save $28.23 (15%)

QTY

U/M

EA BX /3

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SQD QO250GFI

Part #SQD QO250GFI 50AMP 2POLE 120/240VAC GROUND FAULT PLUG-IN CIRCIT BREAKER QO STYLE Square Dâ„¢, QO250GFI, Miniature Circuit Breaker, Class A Ground Fault, 120/240 VAC, 50 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal Magnetic

MFG #QO250GFI

10 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$265.97 per EA (1) / EA

Regular Price: $340.73 per EA (1), you save $74.76 (22%)

QTY

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SQD QO215

Part #SQD QO215 15AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO215, 2-Pole Miniature Circuit Breaker, Standard, 120/240 VAC, 15 A, 50/60 Hz Frequency, 10 kA Interrupt, QO/100 A Frame, Thermal/Magnetic Trip, 2 Pole, 1

MFG #QO215

66 in Stock. More available 12/20/2025 and 01/08/2026

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$51.12 per EA (1) / EA

QTY

U/M

EA BX /5

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SQD QO340

Part #SQD QO340 40AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO340, Miniature Circuit Breaker, Standard, 240 VAC, 40 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Box Lug Connectio

MFG #QO340

5 in Stock. More available 01/08/2026

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$160.00 per EA (1) / EA

Regular Price: $188.23 per EA (1), you save $28.23 (15%)

QTY

U/M

EA BX /3

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SQD QOT2020

Part #SQD QOT2020 20AMP/20AMP 1POLE 120VAC (2)20AMP 1POLE CIRCUIT BREAKERS FOR OLD STYLE LOADCENTERS Square Dâ„¢, QOT2020, Miniature Circuit Breaker, Tandem, 120/240 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QOT Frame, K-Curve/Thermal

MFG #QOT2020

34 in Stock. More available 01/08/2026

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$54.03 per EA (1) / EA

QTY

U/M

EA BX /10

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SQD QO360

Part #SQD QO360 60AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER QO STYLE Square Dâ„¢, QO360, 3-Pole Miniature Circuit Breaker, Standard, 240 VAC, 60 A, 50/60 Hz Frequency, 10 kA Interrupt, QO Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Box Lug Co

MFG #QO360

10 in Stock. More available 01/08/2026

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$170.39 per EA (1) / EA

Regular Price: $188.23 per EA (1), you save $17.84 (9%)

QTY

U/M

EA BX /3

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