
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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Square D HOM245 Miniature Circuit Breakers (MCBs) 2P 45A 120V
MSRP $60.00Surplus $20.67Square D HOM245 Miniature Circuit Breakers (MCBs) 2P 45A 120V​ ARCA SKU: C15-6373 Brand: Square D MPN: HOM245 UPC: 78590106550 Shipping Weight: 0.70 lbs. Shipping Height: 2.00 In...- SKU:
- C15-6373
- TS PIK:
- 111860172
- Data Sheet:
- SchneiderElectric-SquareD_13455_1_2_DATA.pdf
- Used On:
- Homeline Load Center
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Installation/Operator:
- SchneiderElectric-SquareD_00099_INST.pdf
- Voltage Rating:
- 120/240 VAC
- Catalog:
- SchneiderElectric_00257_1_19_1_39_7_22_7_23_CAT.pdf
- Interrupting Rating:
- 10 kA
- Current Rating:
- 45 A
- Number of Poles:
- 2
- Type:
- Common Trip, Main
- Mounting:
- Plug-On
- Short Description:
- 120/240 VAC, 45 A, 10 kA Interrupt, 2-Pole, 8 to 2 AWG Aluminum/Copper, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Series:
- HOM
- Terminal Type:
- Box Lug
- Country of Origin:
- United States
- Approval:
- UL
MSRP $60.00Surplus $20.67 -
Eaton CHF245 Miniature Circuit Breakers (MCBs) 2P 45A 240V EA
MSRP $104.45Surplus $17.22Eaton CHF245 Miniature Circuit Breakers (MCBs) 2P 45A 240V EA​ ARCA SKU: C15-1549 Brand: Eaton MPN: CHF245 UPC: 78668554561 Shipping Weight: 0.55 lbs. Shipping Height: 2.00 In...- SKU:
- C15-1549
- Series:
- CH
- Type:
- Common Trip
- Type:
- Renewal
- Size:
- 3.2 Inch Width x 1.5 Inch Depth x 2.6 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- CH Series Load Center
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Load
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 45 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Mechanical Trip Flag
- Catalog:
- Eaton_36601_V1T1_35_V1T1_36_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 45 A
- Installation/Operator:
- Eaton_00008_INST.pdf
- Number of Poles:
- 2
- TS PIK:
- 125153617
- Country of Origin:
- Dominican Republic
MSRP $104.45Surplus $17.22 -
Eaton HFD2045 Molded Case Breakers (MCCBs) 45A EA
MSRP $1,792.52Surplus $360.65SKU: U00-3393 Brand: Eaton MPN: HFD2045 UPC: 78667932545 Shipping Weight: 3.05 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- U00-3393
- Frame Type:
- F
- Voltage Rating:
- 600 V
- Current Rating:
- 45 A
- Number of Poles:
- 2
- Interrupting Rating:
- 100 kA at 240 VAC, 65 kA at 480 VAC
- Short Description:
- Series C complete molded case circuit breaker, F-frame, HFD, Complete breaker, Fixed thermal, Fixed magnetic trip type, Two-pole, 45 A, 600 Vac, 250 Vdc, 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, Load side, 50/60 Hz
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254-V4T2_290_CAT.pdf
- Data Sheet:
- Eaton_07831_1-12_DATA.pdf
- Installation/Operator:
- Eaton_00091_INST.pdf
- Size:
- 2.75 Inch Width x 3.88 Inch Depth x 6 Inch Height
- CAD Drawings:
- Eaton_41229_1_CAD.pdf
- Type:
- Fixed Thermal Magnetic, Molded Case
- Terminal Type:
- Load
- Maximum AC Voltage Rating:
- 600 V
- Maximum DC Voltage Rating:
- 250 V
- Series:
- C
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA C22.2
MSRP $1,792.52Surplus $360.65 -
Eaton CHQ245 Miniature Circuit Breakers (MCBs) CHQ 2P 45A 240V 50/60Hz 1Ph EA
MSRP $109.02Surplus $33.85Eaton CHQ245 Miniature Circuit Breakers (MCBs) CHQ 2P 45A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1516 Brand: Eaton MPN: CHQ245 UPC: 782113010953 Shipping Weight: 0.60 lbs. Shipping...- SKU:
- C15-1516
- Series:
- CH
- Type:
- Thin
- Approval:
- UL 489
- Size:
- 0.75 Inch Width
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- Type QO Loadcenter
- Poles:
- 2
- Interrupting Rating:
- 10000 A
- Wire Size:
- (1) 14 to 8 AWG (Aluminum/Copper)
- Wire Size:
- (2) 14 to 10 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 45 A, 2-Pole, 10 kA, Common Trip, Renewal, Thermal Magnetic
- Catalog:
- Eaton_00001_V1T1_102_V1T1_103_V1T1_105_V1T1_106_CAT.pdf
- Specification/Technical:
- CONCUTE00023_1.pdf
- TS PIK:
- 111008142
- Number of Poles:
- 2
- Current Rating:
- 45 A
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Dominican Republic
MSRP $109.02Surplus $33.85 -
Eaton QBHW2045 Miniature Circuit Breakers (MCBs) 2P 45A
MSRP $306.81Surplus $61.03Eaton QBHW2045 Miniature Circuit Breakers (MCBs) 2P 45A​ ARCA SKU: C15-4176 Brand: Eaton MPN: QBHW2045 UPC: 78667915247 Shipping Weight: 0.70 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-4176
- Series:
- QBHW
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22000 A at 120/240 VAC
- Interrupting Rating:
- 5000 A at 24 to 48/62.5/80 VDC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 120/240 VAC, 45 A, 22 kA, 2-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_12_CAT.pdf
- TS PIK:
- 122441242
- Number of Poles:
- 2
- Current Rating:
- 45 A
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Dominican Republic
MSRP $306.81Surplus $61.03 -
Siemens B245H Miniature Circuit Breakers (MCBs) 2P 45A 120V
MSRP $378.00Surplus $90.44Siemens B245H Miniature Circuit Breakers (MCBs) 2P 45A 120V​ ARCA SKU: C15-6241 Brand: Siemens MPN: B245H UPC: 78364300092 Shipping Weight: 0.65 lbs. Shipping Height: 2.00 In...- SKU:
- C15-6241
- TS PIK:
- 115704594
- Short Description:
- 120/240 VAC, 45 A, 22 kA, 2-Pole, Bolt-On Mount, Molded Case, Common Trip, Panelboard Circuit Breaker
- Interrupting Rating:
- 22 kA
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Number of Poles:
- 2
- Type:
- Branch
- Used On:
- P1/P2/P3/P4/P5 Series Panelboard
- Data Sheet:
- SiemensAG_05211_1_DATA.pdf
- Voltage Rating:
- 120/240 VAC
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Current Rating:
- 45 A
- Country of Origin:
- Mexico
- Application:
- Lighting/Distribution
- Approval:
- UL 489, CSA C22.2
- Installation:
- Bolt-On
MSRP $378.00Surplus $90.44 -
Eaton BAB2045 Miniature Circuit Breakers (MCBs) 2P 45A 240V 0Ph EA
MSRP $141.00Surplus $43.29Eaton BAB2045 Miniature Circuit Breakers (MCBs) 2P 45A 240V 0Ph EA​ ARCA SKU: C15-5596 Brand: Eaton MPN: BAB2045 UPC: 786679302446 Shipping Weight: 0.60 lbs. Shipping Height: 4.00 In...- SKU:
- C15-5596
- Series:
- BAB
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Interrupting Rating:
- 10 kA
- Type:
- Thermal Magnetic
- Mounting:
- Bolt-On
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC, 45 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Wire Size:
- 14 to 4 AWG Load (Copper/Aluminum)
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- Current Rating:
- 45 A
- Country of Origin:
- Dominican Republic
MSRP $141.00Surplus $43.29 -
Eaton BAB2045 Miniature Circuit Breakers (MCBs) 2P 45A 240V EA
MSRP $155.60Surplus $54.60Eaton BAB2045 Miniature Circuit Breakers (MCBs) 2P 45A 240V EA​ ARCA SKU: C15-1057 Brand: Eaton MPN: BAB2045 UPC: 786679302446 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In...- SKU:
- C15-1057
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Load (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 45 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 45 A
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $155.60Surplus $54.60 -
Eaton BR245 Miniature Circuit Breakers (MCBs) 1P 20A 240V EA
MSRP $142.47Surplus $19.30Eaton BR245 Miniature Circuit Breakers (MCBs) 1P 20A 240V EA​ ARCA SKU: C15-1233 Brand: Eaton MPN: BR245 UPC: 786676374453 Shipping Weight: 0.55 lbs. Shipping Height: 3.00 In...- SKU:
- C15-1233
- Series:
- BR
- Approval:
- UL 489
- Size:
- 1.9 Inch Length x 2.9 Inch Width x 2.5 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- BR Load Center
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 45 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_84_CAT.pdf
- Installation/Operator:
- Eaton_00008_INST.pdf
- Manufacturer Warranty:
- Eaton_00009_WARR.pdf
- TS PIK:
- 21494044
- Type:
- Thermal Magnetic, Common Trip
- Current Rating:
- 45 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- United States
MSRP $142.47Surplus $19.30 -
Eaton CL245 Miniature Circuit Breakers (MCBs) 2P 45A EA
MSRP $106.18Surplus $27.30Eaton CL245 Miniature Circuit Breakers (MCBs) 2P 45A EA​ ARCA SKU: C15-1576 Brand: Eaton MPN: CL245 UPC: 78667601168 Shipping Weight: 0.55 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-1576
- Series:
- CL
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Approval:
- UL 489
- Size:
- 3 Inch Length x 2 Inch Width x 3 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- CH Series Load Center
- Poles:
- 2
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 45 A, 10 kA, 2-Pole, 1" Space, Common Trip, Thermal Magnetic, Renewal
- Catalog:
- Eaton_36620_V1T1_104_CAT.pdf
- Installation/Operator:
- Eaton_00008_INST.pdf
- Manufacturer Warranty:
- Eaton_00009_WARR.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 45 A
- Number of Poles:
- 2
- TS PIK:
- 116434789
- Country of Origin:
- Dominican Republic
MSRP $106.18Surplus $27.30 -
GE TEY245 Miniature Circuit Breakers (MCBs)
MSRP $276.00Surplus $183.54SKU: C15-10141 Brand: GE MPN: TEY245 UPC: 78316440335 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-10141
- TS PIK:
- 120625331
- Short Description:
- 480 VAC Star/277 VAC, 45 A, 65 kA Interrupt, 2-Pole, 10 to 4 AWG Aluminum/Copper Integral Load Lug Terminal, 1" Bolt-On Mount, Non-Interchangeable Trip, Compact, Thermal Magnetic, Industrial Molded Case Circuit Breaker
- Number of Poles:
- 2
- Type:
- Thermal Magnetic, Compact
- Application:
- HACR
- Interrupting Rating:
- 14 kA at 277 VAC, 65 kA at 120/240 VAC
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_9_6_64_CAT.pdf
- Approval:
- UL
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01763_1_CAD.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00022_INST.pdf
- Voltage Rating:
- 120/240/277 VAC
- Current Rating:
- 45 A
- Country of Origin:
- United States
MSRP $276.00Surplus $183.54 -
GE THHQL2145 Miniature Circuit Breakers (MCBs)
MSRP $224.38Surplus $27.40SKU: C15-11509 Brand: GE MPN: THHQL2145 UPC: 78316409201 Shipping Weight: 0.65 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11509
- TS PIK:
- 112127615
- Voltage Rating:
- 120/240 VAC
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Type:
- Thermal Magnetic, Compact
- Current Rating:
- 45 A
- Terminal Type:
- Plug-On
- Short Description:
- 120/240 VAC, 45 A, 22 kA, 2-Pole, Copper/Aluminum Load Lug Terminal, Q-Line Frame, LI Trip Function, 1" Plug-On Mount, Molded Case, Fixed Thermal Magnetic, Compact, Internal Common/Non-Interchangeable Trip, Miniature Circuit Breaker
- Number of Poles:
- 2
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_12194_1_CAD.pdf
- Maximum AC Voltage Rating:
- 240 V
- Frame Type:
- Q-Line
- Approval:
- UL
- Country of Origin:
- United States
MSRP $224.38Surplus $27.40 -
GE THQP245 Miniature Circuit Breakers (MCBs)
MSRP $32.00Surplus $16.84SKU: C15-10258 Brand: GE MPN: THQP245 UPC: 78316408576 Shipping Weight: 0.35 lbs. Shipping Height: 1.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-10258
- TS PIK:
- 112127467
- Number of Poles:
- 2
- Maximum AC Voltage Rating:
- 240 V
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_6_1_7_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Size:
- 1/2 Inch Width
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01810_1_CAD.pdf
- Short Description:
- 120/240 VAC, 45 A, 10 kA Interrupt, 2-Pole, 8 to 4 AWG Aluminum/Copper Load Lug Terminal, 1/2" Plug-On Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic, Feeder Molded Case Circuit Breaker
- Terminal Type:
- Plug-On
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00024_INST.pdf
- Current Rating:
- 45 A
- Approval:
- UL
- Type:
- Thermal Magnetic
- Frame Type:
- Q-Line
- Country of Origin:
- United States
MSRP $32.00Surplus $16.84 -
Siemens B245HH Miniature Circuit Breakers (MCBs) Type BL 2P 45A 120V 50/60Hz
MSRP $576.00Surplus $190.40SKU: C15-1461 Brand: Siemens MPN: B245HH UPC: 783643512887 Shipping Weight: 0.72 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-1461
- Application:
- Lighting
- Application:
- Distribution
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Amps:
- 45 A
- Installation:
- Bolt-On
- Interrupting Rating:
- 65 kA at 120/240 VAC
- Poles:
- 2
- Type:
- Molded Case
- Used On:
- Panelboard
- Volts:
- 120/240 VAC
- Data Sheet:
- SiemensAG_09773_1_2_DATA.pdf
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Catalog:
- SiemensAG_01829_5_21_10_16_CAT.pdf
- Current Rating:
- 45 A
- Short Description:
- BREAKER 45A 2P 120/240V 65K HBL
- Country of Origin:
- Mexico
MSRP $576.00Surplus $190.40 -
Siemens BQ2B045 Miniature Circuit Breakers (MCBs) 2P 45A 120V
MSRP $192.50Surplus $40.95Siemens BQ2B045 Miniature Circuit Breakers (MCBs) 2P 45A 120V​ ARCA SKU: C15-6254 Brand: Siemens MPN: BQ2B045 UPC: 78364316121 Shipping Weight: 0.70 lbs. Shipping Height: 3.00 In...- SKU:
- C15-6254
- TS PIK:
- 126638515
- Short Description:
- 120/240 VAC, 45 A, 10 kA, 2-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Current Rating:
- 45 A
- Size:
- 2 Inch W x 3 Inch D x 3-3/4 Inch H
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Series:
- BQ
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL)
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- P1/P2/P3/P4/P5 Panelboard
- Data Sheet:
- SiemensAG_05372_1_DATA.pdf
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
- Frame Type:
- QD
MSRP $192.50Surplus $40.95 -
Siemens Q245 Miniature Circuit Breakers (MCBs)
MSRP $91.50Surplus $26.66SKU: C15-6274 Brand: Siemens MPN: Q245 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6274
- TS PIK:
- 121449811
- Number of Poles:
- 2
- Current Rating:
- 45 A
- Used On:
- Load Center
- Mounting:
- Plug-On
- Series:
- Q
- Voltage Rating:
- 120/240 VAC
- Interrupting Rating:
- 10 kA
- Size:
- 3 Inch Width x 3 Inch Depth x 2 Inch Height
- Short Description:
- 120/240 VAC, 45 A, 10 kA Interrupt Rating, 2-Pole, Plug-On, Type QP, Circuit Breaker
- Data Sheet:
- Siemens_02206_1_DATA.pdf
- Country of Origin:
- Mexico
- Approval:
- UL 489
MSRP $91.50Surplus $26.66
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