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 $733.92Surplus $137.91SKU: 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 $733.92Surplus $137.91 -
Eaton BAB3045H Miniature Circuit Breakers (MCBs) BA 3P 45A 120/240V 50/60Hz 3Ph EA
MSRP $405.00Surplus $86.19SKU: 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 $405.00Surplus $86.19 -
Eaton BR345 Miniature Circuit Breakers (MCBs) 3P 45A 120V EA
MSRP $380.00Surplus $64.68Eaton 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 $380.00Surplus $64.68 -
Siemens B345 Miniature Circuit Breakers (MCBs) B 3P 45A 240V 50/60Hz 3Ph
MSRP $520.00Surplus $63.48Siemens B345 Miniature Circuit Breakers (MCBs) B 3P 45A 240V 50/60Hz 3Ph​ ARCA SKU: C15-2568 Brand: Siemens MPN: B345 UPC: 783643263741 Shipping Weight: 0.95 lbs. Shipping Height: 3...- SKU:
- C15-2568
- Type:
- Electronic
- Type:
- Thermal
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Volts:
- 240 VAC at 50/60 Hertz (UL)
- Amps:
- 32 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Poles:
- 3
- Interrupting Rating:
- 10 kA at 240 VAC (UL)
- Enclosure:
- IP20
- Application:
- Lighting
- Application:
- Distribution
- Installation:
- Bolt-On
- Short Description:
- 240 VAC, 45 A, 10 kA, 3-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Data Sheet:
- Eaton_41036_1-6_DATA.pdf
- Number of Poles:
- 3
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Voltage Rating:
- 240 VAC
- Current Rating:
- 45 A
- Mounting:
- Bolt-On
- Series:
- B
- Country of Origin:
- Mexico
MSRP $520.00Surplus $63.48
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