Circuit Breakers
Our selection of circuit breakers spans a wide range of applications, from heavy-duty air circuit breakers (ACBs) to compact miniature circuit breakers (MCBs). We offer leading brands like Eaton, Siemens, and Square D, known for their reliability and performance. Whatever your power management needs, you can find the perfect solution here at ARCA Supply.
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Din Rail Mounted Circuit Breakers
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Main Breakers
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Miniature Circuit Breakers (MCBs)
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Molded Case Breakers (MCCBs)
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Motor Circuit Protector (MCPs)
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Lug Terminal Kits
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Auxiliary, Shunt, Trip Units and UVRs
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Circuit Breaker Accessories
- Product
- Qty in Cart
- Price
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Murray MP230GFA Miniature Circuit Breakers (MCBs) 2P 30A
MSRP $582.64Surplus $235.41Murray MP230GFA Miniature Circuit Breakers (MCBs) 2P 30A​ ARCA SKU: C15-6307 Brand: Murray MPN: MP230GFA UPC: 88762121595 Shipping Weight: 1.05 lbs. Shipping Height: 2.00 In...- SKU:
- C15-6307
- TS PIK:
- 120071983
- Short Description:
- BRKR MP-GT GFCI 5MA 2P 240V 30A 10KA
- Number of Poles:
- 2
- Country of Origin:
- Philippines
MSRP $582.64Surplus $235.41 -
Murray MP240 Miniature Circuit Breakers (MCBs) 2P 40A 50/60Hz 3Ph EA
MSRP $197.25Surplus $46.73Murray MP240 Miniature Circuit Breakers (MCBs) 2P 40A 50/60Hz 3Ph EA​ ARCA SKU: C15-6288 Brand: Murray MPN: MP240 UPC: 30040892518970 Shipping Weight: 3.70 lbs. Shipping Height: 4.00...- SKU:
- C15-6288
- TS PIK:
- 21029788
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SiemensAG_01525_1_DATA.pdf
- Terminal Type:
- Load Lug
- Current Rating:
- 40 A
- Series:
- MP-T
- Voltage Rating:
- 120/240 VAC
- Used On:
- Loadcenter
- Mounting:
- Plug-On
- Type:
- Common Trip
- Size:
- 2 Inch W x 3 Inch D x 3 1/8 Inch H
- Short Description:
- 120/240 V, 40 A, 10 kA, 2-Pole, Load Lug Terminal, MP-T Frame, Thermal Magnetic, Low Vage, Miniature, Circuit Breaker
- Number of Poles:
- 2
- Country of Origin:
- Mexico
- Approval:
- UL
MSRP $197.25Surplus $46.73 -
Murray MP240GF Miniature Circuit Breakers (MCBs) 2P 40A
MSRP $455.35Surplus $245.95Murray MP240GF Miniature Circuit Breakers (MCBs) 2P 40A​ ARCA SKU: C15-6322 Brand: Murray MPN: MP240GF UPC: 04089252997 Shipping Weight: 1.05 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6322
- TS PIK:
- 120071726
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC, 40 A, 10 kA, 5 mA, 2-Pole, Plug-In Mount, MP-GT Frame, GFCI, Personal Protect, Miniature Circuit Breaker
- Type:
- Circuit Interrupter
- Current Rating:
- 40 A
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Catalog:
- SiemensAG_01825_1_3_CAT.pdf
- Size:
- 2 Inch W x 3 Inch D x 4.41 Inch H
- Terminal Type:
- Load Lug
- Data Sheet:
- SiemensAG_06625_1_DATA.pdf
- Used On:
- Loadcenter
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Country of Origin:
- Philippines
- Trip Sensitivity:
- 5 MilliA
- Approval:
- UL 489/943, CSA C22.2
MSRP $455.35Surplus $245.95 -
Murray MPD2150 Miniature Circuit Breakers (MCBs) 2P 150A
MSRP $1,297.46Surplus $285.21Murray MPD2150 Miniature Circuit Breakers (MCBs) 2P 150A​ ARCA SKU: C15-6343 Brand: Murray MPN: MPD2150 UPC: 04089200642 Shipping Weight: 2.00 lbs. Shipping Height: 3.00 In...- SKU:
- C15-6343
- TS PIK:
- 120251314
- Size:
- 7.61 Inch W x 3.5 Inch D x 6.65 Inch H
- Voltage Rating:
- 120/240 VAC
- Data Sheet:
- SiemensAG_06658_1_DATA.pdf
- Type:
- Main/Branch, Common Trip
- Used On:
- Loadcenter
- Terminal Type:
- Load Lug
- Number of Poles:
- 2
- Wire Size:
- 1 AWG to 300 KCMIL (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 150 A, 10 kA, 2-Pole, MD-T Frame, Non-Reversible, Main Circuit Breaker for Load Center
- Current Rating:
- 150 A
- Interrupting Rating:
- 10 kA
- Country of Origin:
- Mexico
MSRP $1,297.46Surplus $285.21 -
Murray MQ220 Miniature Circuit Breakers (MCBs) 2P 20A
MSRP $189.29Surplus $36.06Murray MQ220 Miniature Circuit Breakers (MCBs) 2P 20A​ ARCA SKU: C15-6317 Brand: Murray MPN: MQ220 UPC: 04089252820 Shipping Weight: 3.70 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6317
- TS PIK:
- 120071665
- Short Description:
- 20 A, 10 kA, 2-Pole, 3/4" Format, MSQ Frame, Circuit Breaker
- Type:
- Common Trip
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Mounting:
- Plug-On
- Used On:
- Loadcenter, Type QO Circuit Breaker, Type QO Panelboard
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SiemensAG_06682_1_DATA.pdf
- Voltage Rating:
- 120/240 V
- Country of Origin:
- Mexico
- Approval:
- UL
MSRP $189.29Surplus $36.06 -
Murray MQ240 Miniature Circuit Breakers (MCBs) 2P 40A
MSRP $189.29Surplus $33.61Murray MQ240 Miniature Circuit Breakers (MCBs) 2P 40A​ ARCA SKU: C15-6318 Brand: Murray MPN: MQ240 UPC: 04089252822 Shipping Weight: 4.45 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6318
- TS PIK:
- 120071673
- Used On:
- Loadcenter, Type QO Circuit Breaker, Type QO Panelboard
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SiemensAG_06684_1_DATA.pdf
- Mounting:
- Plug-On
- Number of Poles:
- 2
- Current Rating:
- 40 A
- Short Description:
- 40 A, 10 kA, 2-Pole, 3/4" Format, MSQ Frame, Circuit Breaker
- Type:
- Common Trip
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Mexico
MSRP $189.29Surplus $33.61 -
Murray MQ250 Miniature Circuit Breakers (MCBs) 2P 50A
MSRP $199.09Surplus $38.28Murray MQ250 Miniature Circuit Breakers (MCBs) 2P 50A​ ARCA SKU: C15-6319 Brand: Murray MPN: MQ250 UPC: 04089252823 Shipping Weight: 1.30 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6319
- TS PIK:
- 120071678
- Mounting:
- Plug-On
- Type:
- Common Trip
- Used On:
- Loadcenter, Type QO Circuit Breaker, Type QO Panelboard
- Current Rating:
- 50 A
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SiemensAG_06685_1_DATA.pdf
- Short Description:
- 50 A, 10 kA, 2-Pole, 3/4" Format, MSQ Frame, Circuit Breaker
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Mexico
MSRP $199.09Surplus $38.28 -
Murray MQ260 Miniature Circuit Breakers (MCBs) 2P 60A
MSRP $199.09Surplus $21.07Murray MQ260 Miniature Circuit Breakers (MCBs) 2P 60A​ ARCA SKU: C15-6320 Brand: Murray MPN: MQ260 UPC: 04089252824 Shipping Weight: 2.30 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6320
- TS PIK:
- 120072355
- Voltage Rating:
- 120/240 VAC
- Type:
- Common Trip
- Short Description:
- 60 A, 10 kA, 2-Pole, 3/4" Format, MSQ Frame, Circuit Breaker
- Number of Poles:
- 2
- Mounting:
- Plug-On
- Current Rating:
- 60 A
- Data Sheet:
- SiemensAG_06686_1_DATA.pdf
- Used On:
- Loadcenter, Type QO Circuit Breaker, Type QO Panelboard
- Interrupting Rating:
- 10 kA
- Country of Origin:
- Mexico
MSRP $199.09Surplus $21.07 -
Murray MQJ2150 Miniature Circuit Breakers (MCBs)
MSRP $1,542.35Surplus $293.22SKU: C15-7648 Brand: Murray MPN: MQJ2150 UPC: 04089252490 Shipping Weight: 3.30 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- C15-7648
- TS PIK:
- 123474991
- Number of Poles:
- 2
- Country of Origin:
- Mexico
MSRP $1,542.35Surplus $293.22 -
Schneider Electric MG17444 Miniature Circuit Breakers (MCBs) EA
MSRP $1,061.81Surplus $202.93Schneider Electric MG17444 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-6761 Brand: Schneider Electric MPN: MG17444 UPC: Shipping Weight: 0.50 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6761
- Terminal Type:
- Box Line Lug, Box Load Lug
- Short Description:
- 240/277/415/440/480 VAC 50/60 Hz, 125 VDC, 5 A, 5/6/10/20 kA, 2-Pole, Gray, Thermal Magnetic, Supplementary Protector
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 277 VAC or 480 VAC Star/277 VAC (UL/CSA), 10 kA at 240 VAC, 5 kA at 415 VAC (IEC), 10 kA at 48/65/125 VDC
- Number of Poles:
- 2
- Current Rating:
- 5 A
- Voltage Rating:
- 120/240/277 VAC at 50/60 Hz, 480 VAC Star/277 VAC at 50/60 Hz (UL/CSA), 240/415 VAC at 50/60 Hz (IEC), 48/65/125 VDC
- Data Sheet:
- SchneiderElectric_00975_1_2_DATA.pdf
- Wire Size:
- 14 to 4 AWG (Copper)
- Type:
- Current Limiting, Thermal Magnetic
- Size:
- 1.42 Inch W x 2.76 Inch D x 3.19 Inch H
- Installation/Operator:
- SchneiderElectric_00172_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_00103_23_CAT.pdf
- Mounting:
- DIN Rail
- Country of Origin:
- Mexico
MSRP $1,061.81Surplus $202.93 -
Siemens B210000S01 Miniature Circuit Breakers (MCBs)
MSRP $1,305.49Surplus $421.92SKU: C15-10308 Brand: Siemens MPN: B210000S01 UPC: 78364326846 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10308
- TS PIK:
- 111063588
- Current Rating:
- 100 A
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL)
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Short Description:
- 120/240 VAC, 100 A, 10 kA, 2-Pole, Bolt-On Mount, Molded Case, Shunt Trip, Panelboard Circuit Breaker
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA at 120/240 VAC (UL)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Data Sheet:
- SiemensAG_05182_1_DATA.pdf
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
- Application:
- Lighting, Distribution
- Installation:
- Bolt-On
MSRP $1,305.49Surplus $421.92 -
Siemens B2125H Miniature Circuit Breakers (MCBs)
MSRP $2,898.21Surplus $261.03SKU: C15-7395 Brand: Siemens MPN: B2125H UPC: 78364354124 Shipping Weight: 0.90 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-7395
- TS PIK:
- 106248788
- Used On:
- Panelboard
- Catalog:
- SiemensAG_01796_7_29-7_35_CAT.pdf
- Data Sheet:
- SiemensAG_09756_1_2_DATA.pdf
- Current Rating:
- 125 A
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- Interrupting Rating:
- 22 kA
- Type:
- Main, Branch
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Country of Origin:
- Mexico
- Application:
- Electrical Distribution
- Short Description:
- BREAKER 125A 2P 120/240V 22K BLH
- Approval:
- UL 489
- Installation:
- Bolt-On
MSRP $2,898.21Surplus $261.03 -
Siemens B215 Miniature Circuit Breakers (MCBs) EA
MSRP $258.65Surplus $39.45Siemens B215 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-6210 Brand: Siemens MPN: B215 UPC: 78364326352 Shipping Weight: 0.65 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6210
- Type:
- Bolt-On
- Terminal Type:
- lug
- Voltage Rating:
- 120/240 VAC
- Mounting:
- Bolt-On
- Current Rating:
- 15 A
- Short Description:
- Bolt-In Circuit Breaker, 120-Volt, 2-Pole, 15-A, 10KAIC
- TS PIK:
- 21368382
- Used On:
- P1 Panelboard
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Number of Poles:
- 2
- Data Sheet:
- SiemensAG_05187_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Interrupting Rating:
- 10 kA
- Country of Origin:
- Mexico
- Installation:
- Bolt-On
- Application:
- Electrical Distribution
- Approval:
- UL 489, CSA C22.2
MSRP $258.65Surplus $39.45 -
Siemens B22000S01 Miniature Circuit Breakers (MCBs)
MSRP $803.17Surplus $253.47SKU: C15-9498 Brand: Siemens MPN: B22000S01 UPC: 78364326834 Shipping Weight: 1.05 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 5.00 In...- SKU:
- C15-9498
- TS PIK:
- 21368457
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 2-Pole, Bolt-On Mount, Molded Case, Shunt Trip, Panelboard Circuit Breaker
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Installation:
- Bolt-On
- Current Rating:
- 20 A
- Approval:
- UL 489, CSA C22.2
- Country of Origin:
- MEX
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL)
- Number of Poles:
- 2
- Application:
- Lighting, Distribution
- Interrupting Rating:
- 10 kA at 120/240 VAC (UL)
- Data Sheet:
- SiemensAG_05193_1_DATA.pdf
MSRP $803.17Surplus $253.47 -
Siemens B220HH Miniature Circuit Breakers (MCBs) B 2P 20A 120/240VAC
MSRP $639.81Surplus $146.00SKU: C15-1008 Brand: Siemens MPN: B220HH UPC: 783643264144 Shipping Weight: 0.66 lbs. Shipping Height: 2.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In...- SKU:
- C15-1008
- TS PIK:
- 115410531
- Type:
- Molded Case, Thermal and Fixed Magnetic, Branch, Common Trip
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Interrupting Rating:
- 65 kA at 120/240 VAC (UL)
- Short Description:
- 120/240 VAC, 20 A, 65 kA, 2-Pole, Bolt-On Mount, Molded Case, Branch, Common Trip, Thermal Magnetic, Panelboard Circuit Breaker
- Voltage Rating:
- 120/240 VAC (UL)
- Catalog:
- SiemensAG_00876_5_18_5_19_CAT.pdf
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Country of Origin:
- Mexico
- Application:
- Lighting, Distribution
- Approval:
- UL 489, CSA C22.2
- Installation:
- Bolt-On
MSRP $639.81Surplus $146.00 -
Siemens B22500S01 Miniature Circuit Breakers (MCBs) 120V
MSRP $803.17Surplus $318.37Siemens B22500S01 Miniature Circuit Breakers (MCBs) 120V​ ARCA SKU: A13-1397 Brand: Siemens MPN: B22500S01 UPC: 78364308929 Shipping Weight: 1.20 lbs. Shipping Height: 4.00 In...- SKU:
- A13-1397
- TS PIK:
- 122814278
- Short Description:
- BREAKER 25A 2P 120/240V 10K BL 120V SHNT
- Number of Poles:
- 2
- Country of Origin:
- Mexico
MSRP $803.17Surplus $318.37 -
Siemens B225HH Miniature Circuit Breakers (MCBs)
MSRP $288.60Surplus $205.77SKU: C15-10311 Brand: Siemens MPN: B225HH UPC: 78364308280 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10311
- TS PIK:
- 115554991
- Country of Origin:
- MEX
- Short Description:
- BREAKER 25A 2P 120/240V 65K HBL
- Installation:
- Bolt-On
- Number of Poles:
- 2
- Application:
- Electrical Distribution
- Type:
- Main, Branch
- Data Sheet:
- SiemensAG_09765_1_2_DATA.pdf
- Approval:
- UL 489
- Catalog:
- SiemensAG_01796_7_29-7_35_CAT.pdf
- Interrupting Rating:
- 65 kA
- Voltage Rating:
- 120/240 VAC
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- Current Rating:
- 25 A
- Used On:
- Panelboard
MSRP $288.60Surplus $205.77 -
Siemens B23000S01 Miniature Circuit Breakers (MCBs) B 2P 30A 120/240V 50/60Hz 1Ph EA
MSRP $396.14Surplus $253.47SKU: C15-4911 Brand: Siemens MPN: B23000S01 UPC: 783643268364 Shipping Weight: 1.20 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 5.00 In...- SKU:
- C15-4911
- Type:
- Molded Case
- Type:
- Thermal and Fixed Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Volts:
- 120/240 VAC at 50/60 Hz (UL)
- Amps:
- 32 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Poles:
- 2
- Interrupting Rating:
- 10 kA at 120/240 VAC (UL)
- Application:
- Lighting
- Application:
- Distribution
- Installation:
- Bolt-On
- Short Description:
- 120/240 VAC, 30 A, 10 kA, 2-Pole, Bolt-On Mount, Molded Case, Shunt Trip, Thermal Magnetic Trip Unit
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Data Sheet:
- SiemensAG_05198_1_DATA.pdf
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL)
- Current Rating:
- 30 A
- Country of Origin:
- Mexico
MSRP $396.14Surplus $253.47 -
Siemens B230H Miniature Circuit Breakers (MCBs)
MSRP $503.68Surplus $105.01Siemens B230H Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6113 Brand: Siemens MPN: B230H UPC: 78364326391 Shipping Weight: 0.66 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-6113
- Data Sheet:
- SiemensAG_01602_1_DATA.pdf
- Catalog:
- SiemensAG_00876_5_18_5_19_CAT.pdf
- Used On:
- P1 Panelboard
- Interrupting Rating:
- 22 kA
- Type:
- Molded Case, Branch, Common Trip, Thermal Magnetic
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC, 30 A, 22 kA, 2-Pole, Bolt-On Mount, Molded Case, Branch, Common Trip, Thermal Magnetic, Panelboard Circuit Breaker
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 30 A
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
- Application:
- Electrical Distribution
- Installation:
- Bolt-On
MSRP $503.68Surplus $105.01 -
Siemens B230HH Miniature Circuit Breakers (MCBs) Type BL 2P 30A 120V 50/60Hz
MSRP $639.81Surplus $209.64SKU: C15-1459 Brand: Siemens MPN: B230HH UPC: 783643264151 Shipping Weight: 0.66 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-1459
- Type:
- Molded Case
- Type:
- Branch
- Type:
- Common Trip
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- P1 Panelboard
- Poles:
- 2
- Interrupting Rating:
- 65 kA
- Application:
- Electrical Distribution
- Installation:
- Bolt-On
- Short Description:
- 120/240 VAC, 30 A, 65 kA, 2-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Data Sheet:
- SiemensAG_05199_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Current Rating:
- 30 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Country of Origin:
- Mexico
MSRP $639.81Surplus $209.64
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