QOB Bolt-on Series

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SQD QOB260

Part #SQD QOB260 60AMP 2POLE 120/240VAC BOLT-ON CIRCUIT BREAKER QOB STYLE Square Dâ„¢, QOB260, Miniature Circuit Breaker, Standard, 120/240 VAC, 60 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Box L

MFG #QOB260

22 in Stock. More available 01/10/2026

VIEW BRANCH INVENTORY

$290.91/BX

Regular Price: $360.00/BX, you save $69.09 (19%)

QTY

U/M

EA BX /5

ADD TO CARTADD TO LIST

SQD QOB320

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

13 in Stock. More available 01/10/2026

VIEW BRANCH INVENTORY

$548.57/BX

Regular Price: $667.17/BX, you save $118.60 (18%)

QTY

U/M

EA BX /3

ADD TO CARTADD TO LIST

SQD QOB120

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

156 in Stock. More available 01/10/2026

VIEW BRANCH INVENTORY

$324.16/BX

QTY

U/M

EA BX /10

ADD TO CARTADD TO LIST

SQD QOB130

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

32 in Stock. More available 01/10/2026

VIEW BRANCH INVENTORY

$332.47/BX

QTY

U/M

EA BX /10

ADD TO CARTADD TO LIST

SQD QOB230

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

71 in Stock. More available 01/10/2026

VIEW BRANCH INVENTORY

$280.52/BX

Regular Price: $360.00/BX, you save $79.48 (22%)

QTY

U/M

EA BX /5

ADD TO CARTADD TO LIST

SQD QOB220

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

83 in Stock. More available 12/22/2025 and 01/10/2026

VIEW BRANCH INVENTORY

$280.52/BX

Regular Price: $360.00/BX, you save $79.48 (22%)

QTY

U/M

EA BX /5

ADD TO CARTADD TO LIST

SQD QOB115

Part #SQD QOB115 15A 1P BOLT-ON BREAKER Square Dâ„¢, QOB115, 1-Pole Miniature Circuit Breaker, Standard, 240 VAC, 48 VDC, 15 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Pressure Plate Connection, 1

MFG #QOB115

10 in Stock. More available 01/10/2026

VIEW BRANCH INVENTORY

$29.92/EA

Regular Price: $32.20/EA, you save $2.28 (7%)

QTY

ADD TO CARTADD TO LIST

SQD QOB250

Part #SQD QOB250 50AMP 2POLE 120/240VAC BOLT-ON CIRCUIT BREAKER QOB STYLE Square Dâ„¢, QOB250, Miniature Circuit Breaker, Standard, 120/240 VAC, 50 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Box L

MFG #QOB250

31 in Stock. More available 01/10/2026

VIEW BRANCH INVENTORY

$290.91/BX

Regular Price: $360.00/BX, you save $69.09 (19%)

QTY

U/M

EA BX /5

ADD TO CARTADD TO LIST

SQD QOB260

Part #SQD QOB260 60AMP 2POLE 120/240VAC BOLT-ON CIRCUIT BREAKER QOB STYLE Square Dâ„¢, QOB260, Miniature Circuit Breaker, Standard, 120/240 VAC, 60 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Box L

MFG #QOB260

22 in Stock. More available 01/10/2026

VIEW BRANCH INVENTORY

$290.91/BX

Regular Price: $360.00/BX, you save $69.09 (19%)

QTY

U/M

EA BX /5

ADD TO CARTADD TO LIST

SQD QOB320

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

13 in Stock. More available 01/10/2026

VIEW BRANCH INVENTORY

$548.57/BX

Regular Price: $667.17/BX, you save $118.60 (18%)

QTY

U/M

EA BX /3

ADD TO CARTADD TO LIST

SQD QOB120

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

156 in Stock. More available 01/10/2026

VIEW BRANCH INVENTORY

$324.16/BX

QTY

U/M

EA BX /10

ADD TO CARTADD TO LIST

SQD QOB130

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

32 in Stock. More available 01/10/2026

VIEW BRANCH INVENTORY

$332.47/BX

QTY

U/M

EA BX /10

ADD TO CARTADD TO LIST

SQD QOB230

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

71 in Stock. More available 01/10/2026

VIEW BRANCH INVENTORY

$280.52/BX

Regular Price: $360.00/BX, you save $79.48 (22%)

QTY

U/M

EA BX /5

ADD TO CARTADD TO LIST

SQD QOB220

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

83 in Stock. More available 12/22/2025 and 01/10/2026

VIEW BRANCH INVENTORY

$280.52/BX

Regular Price: $360.00/BX, you save $79.48 (22%)

QTY

U/M

EA BX /5

ADD TO CARTADD TO LIST

SQD QOB115

Part #SQD QOB115 15A 1P BOLT-ON BREAKER Square Dâ„¢, QOB115, 1-Pole Miniature Circuit Breaker, Standard, 240 VAC, 48 VDC, 15 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Pressure Plate Connection, 1

MFG #QOB115

10 in Stock. More available 01/10/2026

VIEW BRANCH INVENTORY

$29.92/EA

Regular Price: $32.20/EA, you save $2.28 (7%)

QTY

ADD TO CARTADD TO LIST

SQD QOB250

Part #SQD QOB250 50AMP 2POLE 120/240VAC BOLT-ON CIRCUIT BREAKER QOB STYLE Square Dâ„¢, QOB250, Miniature Circuit Breaker, Standard, 120/240 VAC, 50 A, 50/60 Hz Frequency, 10 kA Interrupt, QOB Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Box L

MFG #QOB250

31 in Stock. More available 01/10/2026

VIEW BRANCH INVENTORY

$290.91/BX

Regular Price: $360.00/BX, you save $69.09 (19%)

QTY

U/M

EA BX /5

ADD TO CARTADD TO LIST

Results Per Page

8162448