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 Q24030CT2 Miniature Circuit Breakers (MCBs) 2P 120V
MSRP $197.50Surplus $50.54Murray Q24030CT2 Miniature Circuit Breakers (MCBs) 2P 120V​ ARCA SKU: C15-6219 Brand: Murray MPN: Q24030CT2 UPC: 78364308396 Shipping Weight: 0.80 lbs. Shipping Height: 3.00 In...- SKU:
- C15-6219
- TS PIK:
- 115555490
- Used On:
- Loadcenter
- Series:
- QT
- Terminal Type:
- Lug
- Country of Origin:
- Mexico
- Type:
- Thermal/Fixed Magnetic, Common Trip, Quadplex
- Data Sheet:
- SiemensAG_07035_1_DATA.pdf
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum) Inside, 8 to 6 AWG (Copper)/8 to 4 AWG (Aluminum) Outside
- Size:
- 2 Inch W x 2.06 Inch D x 3.12 Inch H
- Catalog:
- SiemensAG_00562_1_42_1_46_1_47_CAT.pdf
- Mounting:
- Plug-On
- Current Rating:
- 40/30 A
- Interrupting Rating:
- 10 kA
- Short Description:
- 120/240 VAC, 40/30 A, 10 kA, (2) 2-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-In Mount, QT Frame, Quadplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
MSRP $197.50Surplus $50.54 -
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Murray MP250 Miniature Circuit Breakers (MCBs)
MSRP $144.90Surplus $29.54Murray MP250 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8861 Brand: Murray MPN: MP250 UPC: 04089251898 Shipping Weight: 0.80 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-8861
- TS PIK:
- 115407723
- Short Description:
- 120/240 V, 50 A, 10 kA, 2-Pole, Load Lug Terminal, MP-T Frame, Thermal Magnetic, Low Vage, Miniature, Circuit Breaker
- Type:
- Common Trip
- Mounting:
- Plug-On
- Voltage Rating:
- 120/240 VAC
- Data Sheet:
- SiemensAG_01526_1_DATA.pdf
- Used On:
- Loadcenter
- Current Rating:
- 50 A
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 2
- Size:
- 2 Inch W x 3 Inch D x 3 1/8 Inch H
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Series:
- MP-T
- Terminal Type:
- Load Lug
MSRP $144.90Surplus $29.54 -
Murray MP270 Miniature Circuit Breakers (MCBs) 2P 70A 120V
MSRP $295.20Surplus $49.06Murray MP270 Miniature Circuit Breakers (MCBs) 2P 70A 120V​ ARCA SKU: C15-6308 Brand: Murray MPN: MP270 UPC: 04089227980 Shipping Weight: 4.00 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6308
- TS PIK:
- 120071984
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Type:
- Common Trip
- Voltage Rating:
- 120/240 VAC
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SiemensAG_06636_1_DATA.pdf
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 2-Pole, Plug-In Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Used On:
- Loadcenter
- Size:
- 2 Inch W x 3 Inch D x 3 1/8 Inch H
- Series:
- MP-T
- Number of Poles:
- 2
- Current Rating:
- 70 A
- Terminal Type:
- Load Lug
- Wire Size:
- 8 to 2/0 AWG (Copper/Aluminum)
- Mounting:
- Plug-On
- Country of Origin:
- Mexico
MSRP $295.20Surplus $49.06 -
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Murray MP230 Miniature Circuit Breakers (MCBs) 2P 30A 120/240V EA
Surplus $28.91Murray MP230 Miniature Circuit Breakers (MCBs) 2P 30A 120/240V EA​ ARCA SKU: C15-2645 Brand: Murray MPN: MP230 UPC: 040892518962 Shipping Weight: 0.55 lbs. Shipping Height: 4.00 In...- SKU:
- C15-2645
- Series:
- Type MP-T
- Type:
- Common Trip
- Approval:
- UL
- Size:
- 2 Inch W x 3 Inch D x 3-1/8 Inch H
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- Loadcenter
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Load Lug
- Wire Size:
- 16 to 14 AWG (Aluminum/Copper)
- Short Description:
- 120/240 V, 30 A, 10 kA, 2-Pole, Load Lug Terminal, MP-T Frame, Thermal Magnetic, Low Voltage, Miniature
- Data Sheet:
- SiemensAG_01524_1_DATA.pdf
- Current Rating:
- 30 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
Surplus $28.91 -
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Murray MP215 Miniature Circuit Breakers (MCBs)
MSRP $144.90Surplus $31.05Murray MP215 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6298 Brand: Murray MPN: MP215 UPC: 04089251893 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6298
- TS PIK:
- 21029784
- Terminal Type:
- Load Lug
- Short Description:
- 120/240 V, 15 A, 10 kA, 2-Pole, Load Lug Terminal, MP-T Frame, Thermal Magnetic, Low Vage, Miniature, Circuit Breaker
- Data Sheet:
- SiemensAG_01522_1_DATA.pdf
- Current Rating:
- 15 A
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA
- Series:
- MP-T
- Used On:
- Loadcenter
- Size:
- 2 Inch W x 3 Inch D x 3 1/8 Inch H
- Voltage Rating:
- 120/240 VAC
- Wire Size:
- 16 to 14 AWG (Copper/Aluminum)
- Mounting:
- Plug-On
- Type:
- Common Trip
MSRP $144.90Surplus $31.05 -
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Murray MP220 Miniature Circuit Breakers (MCBs)
MSRP $144.90Surplus $30.98Murray MP220 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6300 Brand: Murray MPN: MP220 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0...- SKU:
- C15-6300
- TS PIK:
- 21029785
- Terminal Type:
- Load Lug
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Wire Size:
- 16 to 14 AWG (Aluminum/Copper)
- Type:
- Common Trip
- Interrupting Rating:
- 10 kA
- Used On:
- Loadcenter
- Size:
- 2 Inch W x 3 Inch D x 3-1/8 Inch H
- Data Sheet:
- SiemensAG_01523_1_DATA.pdf
- Mounting:
- Plug-On
- Short Description:
- 120/240 V, 20 A, 10 kA, 2-Pole, MP-T Frame, Circuit Breaker
- Series:
- Type MP-T
- Voltage Rating:
- 120/240 VAC
MSRP $144.90Surplus $30.98 -
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Murray MP225 Miniature Circuit Breakers (MCBs)
MSRP $144.90Surplus $52.16Murray MP225 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6326 Brand: Murray MPN: MP225 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0...- SKU:
- C15-6326
- Current Rating:
- 25 A
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 2
- Size:
- 2 Inch W x 3 Inch D x 3 1/8 Inch H
- Wire Size:
- 16 to 14 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 25 A, 10 kA, 2-Pole, Plug-On Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Voltage Rating:
- 120/240 VAC
- Data Sheet:
- SiemensAG_06611_1_DATA.pdf
- Series:
- MP-T
- Type:
- Common Trip
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Used On:
- Loadcenter
- Mounting:
- Plug-On
- Terminal Type:
- Load Lug
MSRP $144.90Surplus $52.16 -
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Murray MP235 Miniature Circuit Breakers (MCBs)
MSRP $144.90Surplus $31.51Murray MP235 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6328 Brand: Murray MPN: MP235 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0...- SKU:
- C15-6328
- Short Description:
- 120/240 VAC, 35 A, 10 kA, 2-Pole, Plug-On Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Series:
- Type MP-T
- Type:
- Common Trip
- Terminal Type:
- Load Lug
- Mounting:
- Plug-On
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Current Rating:
- 35 A
- Size:
- 2 Inch W x 3 Inch D x 3-1/8 Inch H
- Data Sheet:
- SiemensAG_06620_1_DATA.pdf
- Used On:
- Loadcenter
- Interrupting Rating:
- 10 kA
- Wire Size:
- 16 to 14 AWG (Aluminum/Copper)
MSRP $144.90Surplus $31.51 -
Murray MP240 Miniature Circuit Breakers (MCBs) 2P 40A 50/60Hz 3Ph EA
MSRP $144.90Surplus $34.33Murray 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
MSRP $144.90Surplus $34.33 -
Murray MP240GF Miniature Circuit Breakers (MCBs) 2P 40A
MSRP $334.50Surplus $180.67Murray 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
MSRP $334.50Surplus $180.67 -
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Murray MP245 Miniature Circuit Breakers (MCBs)
MSRP $144.90Surplus $52.16Murray MP245 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6329 Brand: Murray MPN: MP245 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0...- SKU:
- C15-6329
- Size:
- 2 Inch W x 3 Inch D x 3 1/8 Inch H
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Current Rating:
- 45 A
- Type:
- Common Trip
- Short Description:
- 120/240 VAC, 45 A, 10 kA, 2-Pole, Plug-On Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Series:
- MP-T
- Terminal Type:
- Load Lug
- Used On:
- Loadcenter
- Data Sheet:
- SiemensAG_06627_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Voltage Rating:
- 120/240 VAC
MSRP $144.90Surplus $52.16 -
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Murray MP290 Miniature Circuit Breakers (MCBs)
MSRP $423.90Surplus $152.60Murray MP290 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6330 Brand: Murray MPN: MP290 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0...- SKU:
- C15-6330
- Type:
- Common Trip
- Used On:
- Loadcenter
- Size:
- 2 Inch W x 3 Inch D x 3 1/8 Inch H
- Series:
- MP-T
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Data Sheet:
- SiemensAG_06639_1_DATA.pdf
- Short Description:
- 120/240 VAC, 90 A, 10 kA, 2-Pole, Plug-On Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Wire Size:
- 8 to 2/0 AWG (Copper/Aluminum)
- Current Rating:
- 90 A
- Number of Poles:
- 2
- Terminal Type:
- Load Lug
- Mounting:
- Plug-On
- Voltage Rating:
- 120/240 VAC
- Interrupting Rating:
- 10 kA
MSRP $423.90Surplus $152.60 -
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Murray MPD2200 Miniature Circuit Breakers (MCBs)
MSRP $953.10Surplus $343.12SKU: C15-6333 Brand: Murray MPN: MPD2200 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6333
- Series:
- MP
- Type:
- Thermal Magnetic, Main/Branch, Common Trip
- Voltage Rating:
- 120/240 VAC
- Mounting:
- Plug-On
- Terminal Type:
- Load Lug
- Current Rating:
- 200 A
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA
- Size:
- 7.61 Inch W x 3.5 Inch D x 6.65 Inch H
- Wire Size:
- 1 AWG to 300 KCMIL (Copper/Aluminum)
- Used On:
- Loadcenter
- Short Description:
- 120/240 V, 200 A, 10 kA, 2-Pole, Load Lug Terminal, MD-T Frame, Low Vage, Miniature, Circuit Breaker
- Data Sheet:
- SiemensAG_01530_1_DATA.pdf
MSRP $953.10Surplus $343.12 -
Murray MQ220 Miniature Circuit Breakers (MCBs) 2P 20A
MSRP $139.05Surplus $26.49Murray 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
MSRP $139.05Surplus $26.49 -
Murray MQ240 Miniature Circuit Breakers (MCBs) 2P 40A
MSRP $139.05Surplus $24.69Murray 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 $139.05Surplus $24.69 -
Murray MQ250 Miniature Circuit Breakers (MCBs) 2P 50A
MSRP $146.25Surplus $28.12Murray 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 $146.25Surplus $28.12 -
Murray MQ260 Miniature Circuit Breakers (MCBs) 2P 60A
MSRP $146.25Surplus $15.48Murray 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 $146.25Surplus $15.48
Disclaimer: ARCA Supply is not an authorized distributor, reseller or representative of any manufacturer, brand or product listed. All product names, trademarks, brands and logos are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder. All items sold by ARCA Supply are covered under ARCA Supply's warranty and not the manufacturer warranty.
