Miniature Circuit Breakers (MCBs)
A miniature circuit breaker (MCB) is a type of electrical breaker that is designed to protect electrical circuits from damage due to overloading, short-circuiting, or other electrical faults. MCBs are commonly used in residential and light commercial electrical systems, and are typically smaller in size than traditional circuit breakers.
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Square D QOB230 Miniature Circuit Breakers (MCBs) 2P 30A 120V EA
MSRP $91.54Surplus $26.32Square D QOB230 Miniature Circuit Breakers (MCBs) 2P 30A 120V EA​ ARCA SKU: C15-6655 Brand: Square D MPN: QOB230 UPC: 78590141690 Shipping Weight: 0.55 lbs. Shipping Height: 3.00 In...- SKU:
- C15-6655
- TS PIK:
- 124025523
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 30 A
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Number of Poles:
- 2
- Type:
- Miniature, Standard
- Used On:
- NQ Panelboard
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Series:
- QOB
- Data Sheet:
- SchneiderElectric_21320_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Country of Origin:
- Mexico
- Installation:
- Bolt-On
- Approval:
- UL, CSA
MSRP $91.54Surplus $26.32 -
Square D QOB250 Miniature Circuit Breakers (MCBs) 2P 50A 120V EA
MSRP $91.54Surplus $24.50Square D QOB250 Miniature Circuit Breakers (MCBs) 2P 50A 120V EA​ ARCA SKU: C15-6658 Brand: Square D MPN: QOB250 UPC: 78590141698 Shipping Weight: 0.60 lbs. Shipping Height: 3.11 In...- SKU:
- C15-6658
- TS PIK:
- 111088427
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Series:
- QOB
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 50 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Current Rating:
- 50 A
- Number of Poles:
- 2
- Type:
- Miniature, Standard
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Data Sheet:
- SchneiderElectric_21336_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Used On:
- NQ Panelboard
- Mounting:
- Bolt-On
- Country of Origin:
- United States
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $91.54Surplus $24.50 -
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Square D QOB210 Miniature Circuit Breakers (MCBs)
MSRP $91.54Surplus $69.16Square D QOB210 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6549 Brand: Square D MPN: QOB210 UPC: 78590150996 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-6549
- TS PIK:
- 109595193
- Current Rating:
- 10 A
- Type:
- Miniature, Standard
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 10 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Series:
- QOB
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Number of Poles:
- 2
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Used On:
- NQ Panelboard
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Data Sheet:
- SchneiderElectric_21286_1_2_DATA.pdf
- Mounting:
- Bolt-On
- Installation:
- Bolt-On
- Approval:
- UL, CSA
MSRP $91.54Surplus $69.16 -
Square D QOB215 Miniature Circuit Breakers (MCBs) 2P 15A 120V
MSRP $91.54Surplus $31.43Square D QOB215 Miniature Circuit Breakers (MCBs) 2P 15A 120V​ ARCA SKU: C15-6652 Brand: Square D MPN: QOB215 UPC: 78590141682 Shipping Weight: 2.75 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6652
- TS PIK:
- 21032636
- Type:
- Miniature, Standard
- Used On:
- NQ Panelboard
- Voltage Rating:
- 120/240 VAC
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Number of Poles:
- 2
- Current Rating:
- 15 A
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 15 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Data Sheet:
- SchneiderElectric_21295_1_2_DATA.pdf
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Series:
- QOB
- Country of Origin:
- Mexico
- Installation:
- Bolt-On
- Approval:
- UL, CSA
MSRP $91.54Surplus $31.43 -
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Square D QOB2351021 Miniature Circuit Breakers (MCBs)
MSRP $278.00Surplus $319.20Square D QOB2351021 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6690 Brand: Square D MPN: QOB2351021 UPC: 78590170362 Shipping Weight: 0.95 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6690
- TS PIK:
- 118932371
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 35 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker with 120/208/240 VAC Shunt Trip Package
- Series:
- QOB
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Type:
- Miniature, Standard
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Number of Poles:
- 2
- Current Rating:
- 35 A
- Catalog:
- SchneiderElectric-Telemecanique_00033_1_15_9_20_CAT.pdf
- Data Sheet:
- SchneiderElectric_11098_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric_00595_INST.pdf
- Used On:
- NQ Panelboard
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $278.00Surplus $319.20 -
Square D QOB260 Miniature Circuit Breakers (MCBs) 2P 60A 120V EA
MSRP $91.54Surplus $27.00Square D QOB260 Miniature Circuit Breakers (MCBs) 2P 60A 120V EA​ ARCA SKU: C15-6660 Brand: Square D MPN: QOB260 UPC: 78590141702 Shipping Weight: 0.60 lbs. Shipping Height: 3.00 In...- SKU:
- C15-6660
- TS PIK:
- 21356044
- Voltage Rating:
- 120/240 VAC
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Type:
- Miniature, Standard
- Current Rating:
- 60 A
- Number of Poles:
- 2
- Series:
- QOB
- Used On:
- NQ Panelboard
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 60 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Data Sheet:
- SchneiderElectric_21343_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $91.54Surplus $27.00 -
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Square D QOB2100 Miniature Circuit Breakers (MCBs) 2P 100A 120V EA
MSRP $256.31Surplus $69.00Square D QOB2100 Miniature Circuit Breakers (MCBs) 2P 100A 120V EA​ ARCA SKU: C15-6597 Brand: Square D MPN: QOB2100 UPC: 78590101968 Shipping Weight: 0.75 lbs. Shipping Height: 2.00...- SKU:
- C15-6597
- TS PIK:
- 111080227
- Data Sheet:
- SchneiderElectric_21287_1_2_DATA.pdf
- Series:
- QOB
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Number of Poles:
- 2
- Current Rating:
- 100 A
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 100 A, 10 kA, 2-Pole, Q-Frame, BC Phase, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Type:
- Miniature, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Used On:
- NQ Panelboard
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $256.31Surplus $69.00 -
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Square D QOB2125 Miniature Circuit Breakers (MCBs)
MSRP $541.08Surplus $188.86Square D QOB2125 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6390 Brand: Square D MPN: QOB2125 UPC: 78590103111 Shipping Weight: 0.75 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-6390
- TS PIK:
- 121751170
- Data Sheet:
- SchneiderElectric_21292_1_2_DATA.pdf
- Number of Poles:
- 2
- Series:
- QOB
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 125 A
- Used On:
- NQ Panelboard
- Type:
- Miniature, Standard
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 125 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Country of Origin:
- Mexico
- Installation:
- Bolt-On
- Approval:
- UL, CSA
MSRP $541.08Surplus $188.86 -
Square D QOB280 Miniature Circuit Breakers (MCBs)
MSRP $256.31Surplus $63.00Square D QOB280 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6599 Brand: Square D MPN: QOB280 UPC: 78590101970 Shipping Weight: 0.75 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-6599
- TS PIK:
- 115138208
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Series:
- QOB
- Current Rating:
- 80 A
- Type:
- Miniature, Standard
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Number of Poles:
- 2
- Used On:
- NQ Panelboard
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 80 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Data Sheet:
- SchneiderElectric_21351_1_2_DATA.pdf
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $256.31Surplus $63.00 -
Square D QOB2201021 Miniature Circuit Breakers (MCBs)
MSRP $278.00Surplus $319.20SKU: C15-6695 Brand: Square D MPN: QOB2201021 UPC: Shipping Weight: 0.90 lbs. Shipping Height: 4.00 In. Shipping Length: 5.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-6695
- TS PIK:
- 111089509
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 20 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Pressure Plate, Miniature, Standard, Panelboard Circuit Breaker with 120/208/240 VAC Shunt Trip Package
- Number of Poles:
- 2
- Catalog:
- SchneiderElectric-Telemecanique_00033_1_15_9_20_CAT.pdf
- Current Rating:
- 20 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Type:
- Miniature, Standard
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Series:
- QOB
- Data Sheet:
- SchneiderElectric_11070_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric_00595_INST.pdf
- Main Category:
- Miniature Circuit Breakers (MCBs)
- Installation:
- Bolt-On
- Used On:
- NQ Panelboard
- Approval:
- UL, CSA
- Country of Origin:
- Mexico
MSRP $278.00Surplus $319.20 -
Contact Us For Quote
Square D QOB235 Miniature Circuit Breakers (MCBs)
MSRP $91.54Surplus $47.88Square D QOB235 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6656 Brand: Square D MPN: QOB235 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6656
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Data Sheet:
- SchneiderElectric_21327_1_2_DATA.pdf
- Used On:
- NQ Panelboard
- Series:
- QOB
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Current Rating:
- 35 A
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 35 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Type:
- Miniature, Standard
- Installation:
- Bolt-On
- Approval:
- UL, CSA
MSRP $91.54Surplus $47.88 -
Square D QOB240 Miniature Circuit Breakers (MCBs) 2P 40A 120V
MSRP $91.54Surplus $27.00Square D QOB240 Miniature Circuit Breakers (MCBs) 2P 40A 120V​ ARCA SKU: C15-6628 Brand: Square D MPN: QOB240 UPC: 78590141694 Shipping Weight: 1.25 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6628
- TS PIK:
- 123180737
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Data Sheet:
- SchneiderElectric_21328_1_2_DATA.pdf
- Used On:
- NQ Merchandised Panelboard
- Catalog:
- SchneiderElectric-SquareD_32357_9_10_CAT.pdf
- Current Rating:
- 40 A
- Number of Poles:
- 2
- Type:
- Miniature, Standard
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 40 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Series:
- QOB
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $91.54Surplus $27.00 -
Contact Us For Quote
Square D QOB2401021 Miniature Circuit Breakers (MCBs)
MSRP $278.00Surplus $252.65SKU: C15-6657 Brand: Square D MPN: QOB2401021 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6657
- Series:
- QOB
- Installation/Operator:
- SchneiderElectric_00595_INST.pdf
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Used On:
- NQ Panelboard
- Current Rating:
- 40 A
- Type:
- Miniature, Standard
- Number of Poles:
- 2
- Data Sheet:
- SchneiderElectric_11100_1_2_DATA.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 40 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker with 120/208/240 VAC Shunt Trip Package
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Catalog:
- SchneiderElectric-Telemecanique_00033_1_15_9_20_CAT.pdf
- TS PIK:
- 21355195
- Installation:
- Bolt-On
- Approval:
- UL, CSA
MSRP $278.00Surplus $252.65 -
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Square D QOB245 Everything Else
MSRP $74.15Surplus $31.04Square D QOB245 Everything Else​ ARCA SKU: C15-6682 Brand: Square D MPN: QOB245 UPC: 78590136830 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0...- SKU:
- C15-6682
- TS PIK:
- 111088205
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 45 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Series:
- QOB
- Current Rating:
- 45 A
- Number of Poles:
- 2
- Type:
- Miniature, Standard
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Used On:
- NQ Panelboard
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Data Sheet:
- SchneiderElectric_21335_1_2_DATA.pdf
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Installation:
- Bolt-On
- Approval:
- UL, CSA
MSRP $74.15Surplus $31.04 -
Square D QOB270 Miniature Circuit Breakers (MCBs) 2P 70A 120V
MSRP $181.44Surplus $70.49Square D QOB270 Miniature Circuit Breakers (MCBs) 2P 70A 120V​ ARCA SKU: C15-6395 Brand: Square D MPN: QOB270 UPC: 78590141704 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In...- SKU:
- C15-6395
- TS PIK:
- 124024938
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 70 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Type:
- Miniature, Standard
- Current Rating:
- 70 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Series:
- QOB
- Used On:
- NQ Panelboard
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Data Sheet:
- SchneiderElectric_21348_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Number of Poles:
- 2
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $181.44Surplus $70.49
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