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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Eaton QBHW3045H Molded Case Breakers (MCCBs) 3P 45A 240V EA
MSRP $999.09Surplus $187.74SKU: C15-4091 Brand: Eaton MPN: QBHW3045H UPC: 78667939342 Shipping Weight: 1.10 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-4091
- Series:
- QBHW
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22000 A at 240 VAC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 240 VAC, 45 A, 22 kA, 3-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_12_CAT.pdf
- TS PIK:
- 107002728
- Voltage Rating:
- 240 VAC
- Current Rating:
- 45 A
- Number of Poles:
- 3
- Country of Origin:
- United States
MSRP $999.09Surplus $187.74 -
Eaton CHF245 Miniature Circuit Breakers (MCBs) 2P 45A 240V EA
MSRP $142.19Surplus $23.44Eaton 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 $142.19Surplus $23.44 -
Eaton HFD2045 Molded Case Breakers (MCCBs) 45A EA
MSRP $2,440.16Surplus $490.95SKU: 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 $2,440.16Surplus $490.95 -
Eaton CHQ245 Miniature Circuit Breakers (MCBs) CHQ 2P 45A 240V 50/60Hz 1Ph EA
MSRP $148.41Surplus $46.08Eaton 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 $148.41Surplus $46.08 -
Eaton BAB1045 Miniature Circuit Breakers (MCBs) BA 1P 45A 120/240V 50/60Hz 1Ph
MSRP $85.08Surplus $27.44Eaton BAB1045 Miniature Circuit Breakers (MCBs) BA 1P 45A 120/240V 50/60Hz 1Ph​ ARCA SKU: C15-1027 Brand: Eaton MPN: BAB1045 UPC: 786679152393 Shipping Weight: 0.35 lbs. Shipping...- SKU:
- C15-1027
- Terminal Type:
- Steel Box Lug Standard Load
- Number of Poles:
- 1
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24 to 48 VDC
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Current Rating:
- 45 A
- Size:
- 1.2 Inch Width x 3.6 Inch Depth x 4.8 Inch Height
- Mounting:
- Bolt-On
- Type:
- Thermal Magnetic, Non-Interchangeable Trip, Miniature
- Short Description:
- EATON BAB THERMAL MAGNETIC CIRCUIT BREAKER,QUICKLAG INDUSTRIAL THERMAL-MAGNETIC
- Voltage Rating:
- 120/240 VAC, 24/48/62.5 VDC
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA
MSRP $85.08Surplus $27.44 -
Eaton QBHW2045 Miniature Circuit Breakers (MCBs) 2P 45A
MSRP $417.66Surplus $83.08Eaton 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 $417.66Surplus $83.08 -
Eaton BAB2045 Miniature Circuit Breakers (MCBs) 2P 45A 240V 0Ph EA
MSRP $191.94Surplus $58.93Eaton 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 $191.94Surplus $58.93 -
Eaton BAB2045 Miniature Circuit Breakers (MCBs) 2P 45A 240V EA
MSRP $211.82Surplus $44.19Eaton 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 $211.82Surplus $44.19 -
Eaton BAB3045H Miniature Circuit Breakers (MCBs) BA 3P 45A 120/240V 50/60Hz 3Ph EA
MSRP $551.33Surplus $117.33SKU: C15-1097 Brand: Eaton MPN: BAB3045H UPC: 786679303450 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1097
- TS PIK:
- 21508711
- Series:
- BAB
- Short Description:
- 240 VAC, 45 A, 10 kA, 3-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Type:
- Thermal Magnetic
- Voltage Rating:
- 240 VAC
- Mounting:
- Bolt-On
- Catalog:
- Eaton_03771_V4T1_3_V4T1_11_V4T1_12_CAT.pdf
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Interrupting Rating:
- 10000 A at 240 VAC
- Number of Poles:
- 3
- Current Rating:
- 45 A
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA
MSRP $551.33Surplus $117.33 -
Eaton BR245 Miniature Circuit Breakers (MCBs) 1P 20A 240V EA
MSRP $193.94Surplus $19.34Eaton 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 $193.94Surplus $19.34 -
Eaton BR345 Miniature Circuit Breakers (MCBs) 3P 45A 120V EA
MSRP $517.29Surplus $88.05Eaton BR345 Miniature Circuit Breakers (MCBs) 3P 45A 120V EA​ ARCA SKU: C15-1261 Brand: Eaton MPN: BR345 UPC: 786676000116 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In...- SKU:
- C15-1261
- Series:
- BR
- Type:
- Standard
- Approval:
- UL 489
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Loadcenter
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 240 VAC, 45 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- Data Sheet:
- Mersen_00019_FB20_FB21_DATA.pdf
- Voltage Rating:
- 240 VAC
- Current Rating:
- 45 A
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $517.29Surplus $88.05 -
Eaton CL245 Miniature Circuit Breakers (MCBs) 2P 45A EA
MSRP $144.54Surplus $15.82Eaton 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 $144.54Surplus $15.82 -
Eaton HFD1045 Molded Case Breakers (MCCBs)
MSRP $1,354.37Surplus $166.68SKU: C15-11567 Brand: Eaton MPN: HFD1045 UPC: 78211421044 Shipping Weight: 1.65 lbs. Shipping Height: 2.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- C15-11567
- TS PIK:
- 115288452
- Approval:
- UL 489, CSA C22.2
- Number of Poles:
- 1
- Size:
- 1.38 Inch Width x 3.88 Inch Depth x 6 Inch Height
- Terminal Type:
- Load
- Interrupting Rating:
- 65 kA at 277 VAC, 10 kA at 125 VDC (UL), 65 kA at 220/240 VAC, 10 kA at 125 VDC (IEC)
- Current Rating:
- 45 A
- Installation/Operator:
- Eaton_00091_INST.pdf
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254-V4T2_290_CAT.pdf
- Maximum AC Voltage Rating:
- 277 V
- Frame Type:
- FD
- CAD Drawings:
- Eaton_41228_1_CAD.pdf
- Maximum DC Voltage Rating:
- 125 V
- Data Sheet:
- Eaton_07831_1-12_DATA.pdf
- Voltage Rating:
- 277 VAC 50/60 Hertz, 125 VDC
- Type:
- Fixed Thermal Magnetic, Molded Case
- Country of Origin:
- Dominican Republic
MSRP $1,354.37Surplus $166.68 -
Eaton NZMN1-AF45-NA Molded Case Breakers (MCCBs)
MSRP $2,853.68Surplus $424.15SKU: C15-9532 Brand: Eaton MPN: NZMN1-AF45-NA UPC: 01508274230 Shipping Weight: 2.55 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 4.00 In...- SKU:
- C15-9532
- TS PIK:
- 124502788
- Frame Type:
- NZM1
- Catalog:
- Eaton-Moeller_00013_155_CAT.pdf
- Short Description:
- 480 VAC Star/277 VAC, 500 VDC, 45 A, 50 kA, 3-Pole, Front Frame ClA/Box Terminal, NZM1 Frame, Fixed Thermal Magnetic, Molded Case Circuit Breaker
- Series:
- NZMN1
- Voltage Rating:
- 480 VAC Star/277 V, 500 VDC
- Number of Poles:
- 3
- Current Rating:
- 45 A
- Type:
- Thermal Magnetic, Fixed Thermal
- Installation/Operator:
- Eaton_00324_INST.pdf
- Interrupting Rating:
- 50 kA
- Terminal Type:
- Front Frame ClA, Screw
- Maximum AC Voltage Rating:
- 480
- Maximum DC Voltage Rating:
- 500
- Size:
- 90 Millimeter Width x 84.5 Millimeter Depth x 145 Millimeter Height
- Data Sheet:
- Eaton-Moeller_01340_1-9_DATA.pdf
- Country of Origin:
- Germany
- Approval:
- UL 489, CSA C22.2, CE
MSRP $2,853.68Surplus $424.15
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.
