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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- Qty in Cart
- Price
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Square D QOB320 Miniature Circuit Breakers (MCBs)
MSRP $316.44Surplus $85.80Square D QOB320 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6396 Brand: Square D MPN: QOB320 UPC: 78590141709 Shipping Weight: 2.50 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6396
- TS PIK:
- 124024414
- Current Rating:
- 20 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Used On:
- NQ Panelboard
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Data Sheet:
- SchneiderElectric_21373_1_2_DATA.pdf
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 20 A, 10 kA, 3-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Type:
- Miniature, Standard
- Series:
- QOB
- Number of Poles:
- 3
- Mounting:
- Bolt-On
- Country of Origin:
- Ireland
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $316.44Surplus $85.80 -
Square D QOB250 Miniature Circuit Breakers (MCBs) 2P 50A 120V EA
MSRP $91.54Surplus $27.30Square 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 $27.30 -
Square D QOB130 Miniature Circuit Breakers (MCBs) 30A 120V
MSRP $39.80Surplus $15.60Square D QOB130 Miniature Circuit Breakers (MCBs) 30A 120V​ ARCA SKU: C15-6649 Brand: Square D MPN: QOB130 UPC: 78590141676 Shipping Weight: 0.30 lbs. Shipping Height: 1.00 In...- SKU:
- C15-6649
- TS PIK:
- 109595202
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA, 1-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Type:
- Miniature, Standard
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Series:
- QOB
- Current Rating:
- 30 A
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Number of Poles:
- 1
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Data Sheet:
- SchneiderElectric_21264_1_2_DATA.pdf
- Used On:
- NQ Panelboard
- Mounting:
- Bolt-On
- Country of Origin:
- Ireland
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $39.80Surplus $15.60 -
Square D QOB370 Miniature Circuit Breakers (MCBs) EA
MSRP $398.52Surplus $115.05Square D QOB370 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-3992 Brand: Square D MPN: QOB370 UPC: 78590101974 Shipping Weight: 1.05 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-3992
- Type:
- Miniature, Standard
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 70 A
- Number of Poles:
- 3
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Used On:
- NQ Panelboard
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 70 A, 10 kA, 3-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Data Sheet:
- SchneiderElectric_21404_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- TS PIK:
- 111080233
- Series:
- QOB
- Mounting:
- Bolt-On
- Country of Origin:
- United States
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $398.52Surplus $115.05 -
Square D QOB240 Miniature Circuit Breakers (MCBs) 2P 40A 120V
MSRP $91.54Surplus $27.30Square 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 $27.30 -
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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