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
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- Qty in Cart
- Price
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Siemens CQD220 Din Rail Mounted Circuit Breakers 2P 20A
MSRP $667.00Surplus $148.96Siemens CQD220 Din Rail Mounted Circuit Breakers 2P 20A​ ARCA SKU: C15-6342 Brand: Siemens MPN: CQD220 UPC: 78364327761 Shipping Weight: 1.50 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6342
- Short Description:
- 480 VAC Star/277 VAC, 125/250 VDC, 20 A, 14 kA, 2-Pole, 14 to 6 AWG Copper/12 to 6 AWG Aluminum, Load Lug Terminal, DIN Rail Mount, CQD Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Type:
- Thermal Magnetic
- Terminal Type:
- Lug
- Series:
- CQD
- Number of Poles:
- 2
- Current Rating:
- 20 A
- Wire Size:
- 14 to 6 AWG (Copper), 12 to 6 AWG (Aluminum)
- Interrupting Rating:
- 65 kA at 240 VAC, 14 kA at 480 Star/277 VAC/125/250 VDC (UL)
- Catalog:
- SiemensAG_01698_17_1_17_11_CAT.pdf
- Voltage Rating:
- 277/480 VAC
- Size:
- 2 Inch W x 2.88 Inch D x 4.9 Inch H
- Mounting:
- DIN Rail
- Approval:
- UL
- Country of Origin:
- MEX
MSRP $667.00Surplus $148.96 -
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Siemens 5SJ4340-8HG41 Miniature Circuit Breakers (MCBs) 40A
MSRP $283.29Surplus $70.68Siemens 5SJ4340-8HG41 Miniature Circuit Breakers (MCBs) 40A​ ARCA SKU: E30-10152 Brand: Siemens MPN: 5SJ4340-8HG41 UPC: 4001869321929 Shipping Weight: 1.15 lbs. Shipping Height: 3.00...- SKU:
- E30-10152
- Current Rating:
- 40 A
- Size:
- 54 Millimeter Width x 76.4 Millimeter Depth x 110 Millimeter Height
- Short Description:
- 240 VAC, 60/125 VDC, 40 A, 10 kA, 3-Pole, 70 MM Device Depth, 14 to 4 AWG Solid/Stranded Copper, Line/Load Screw Terminal, 35 MM DIN Rail Mount, Standard Frame, Curve D, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Voltage Rating:
- 240 VAC, 60/125 VDC
- Interrupting Rating:
- 10 kA
- Type:
- Thermal Magnetic
- Terminal Type:
- Line/Load Screw
- Wire Size:
- 14 to 4 AWG Copper
- Series:
- 5SJ4
- Number of Poles:
- 3
- Catalog:
- SiemensAG_01744_16_2-16_10_CAT.pdf
- Mounting:
- DIN Rail
- Approval:
- UL 489, CSA C22.2
MSRP $283.29Surplus $70.68 -
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Siemens BQ1B015QLD Molded Case Breakers (MCCBs)
MSRP $113.00Surplus $30.51SKU: C15-15614 Brand: Siemens MPN: BQ1B015QLD UPC: 78364341171 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-15614
- Short Description:
- 120/240 VAC, 15 A, 10 kA, 1-Pole, Line/Load Lug Terminal, DIN Rail Mount, BQLD Frame, Bolt-On, Molded Case Circuit Breaker
- Series:
- BQXD
- Interrupting Rating:
- 10 kA at 120 VAC Symmetrical (UL)
- Number of Poles:
- 1
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL)
- Current Rating:
- 15 A
- Size:
- 1 Inch W x 3 Inch D x 4-1/2 Inch H
- Country of Origin:
- MEX
- Type:
- Molded Case, Thermal and Fixed Magnetic Trip
- Terminal Type:
- Line Lug
- Wire Size:
- 14 to 6 AWG (Copper), 12 to 6 AWG (Aluminum)
- Catalog:
- SiemensAG_01698_17_1_17_8_CAT.pdf
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Mounting:
- DIN Rail
- Data Sheet:
- SiemensAG_05349_1_DATA.pdf
- Approval:
- UL
MSRP $113.00Surplus $30.51 -
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Siemens BQ2B020QLD Molded Case Breakers (MCCBs)
MSRP $234.00Surplus $63.18SKU: C15-15627 Brand: Siemens MPN: BQ2B020QLD UPC: 78364341181 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-15627
- Series:
- BQXD
- Current Rating:
- 20 A
- Size:
- 2 Inch W x 3 Inch D x 4-1/2 Inch H
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Data Sheet:
- SiemensAG_05364_1_DATA.pdf
- Terminal Type:
- Line Lug
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Country of Origin:
- MEX
- Interrupting Rating:
- 10 kA at 120/240 VAC Symmetrical (UL)
- Approval:
- UL 489, CSA C22.2
- Mounting:
- DIN Rail
- Wire Size:
- 14 to 6 AWG (Copper), 12 to 6 AWG (Aluminum)
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 2-Pole, Line/Load Lug Terminal, DIN Rail Mount, BQLD Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL)
- Catalog:
- SiemensAG_01698_17_1_17_8_CAT.pdf
MSRP $234.00Surplus $63.18 -
Siemens BQ2B030QLD Molded Case Breakers (MCCBs)
Surplus $85.12SKU: C15-12102 Brand: Siemens MPN: BQ2B030QLD UPC: 783643411838 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-12102
- Mounting:
- DIN Rail
- Country of Origin:
- MEX
- Catalog:
- SiemensAG_01698_17_1_17_8_CAT.pdf
- Approval:
- UL 489, CSA C22.2
- Series:
- BQXD
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC, 30 A, 10 kA, 2-Pole, Line/Load Lug Terminal, DIN Rail Mount, BQLD Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Size:
- 2 Inch W x 3 Inch D x 4-1/2 Inch H
- Wire Size:
- 14 to 6 AWG (Copper), 12 to 6 AWG (Aluminum)
- Data Sheet:
- SiemensAG_05368_1_DATA.pdf
- Current Rating:
- 30 A
- Terminal Type:
- Line Lug
- Interrupting Rating:
- 10 kA at 120/240 VAC Symmetrical (UL)
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL)
- Type:
- Molded Case, Thermal and Fixed Magnetic
Surplus $85.12 -
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Siemens BQ2B050QLD Molded Case Breakers (MCCBs)
MSRP $234.00Surplus $63.18SKU: C15-15643 Brand: Siemens MPN: BQ2B050QLD UPC: 78364341187 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-15643
- Size:
- 2 Inch W x 3 Inch D x 4-1/2 Inch H
- Series:
- BQXD
- Current Rating:
- 50 A
- Number of Poles:
- 2
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Approval:
- UL 489, CSA C22.2
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 2-Pole, Line/Load Lug Terminal, DIN Rail Mount, BQLD Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Country of Origin:
- MEX
- Interrupting Rating:
- 10 kA at 120/240 VAC Symmetrical (UL)
- Wire Size:
- 8 to 1 AWG (Copper), 6 to 1/0 AWG (Aluminum)
- Mounting:
- DIN Rail
- Data Sheet:
- SiemensAG_05374_1_DATA.pdf
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Catalog:
- SiemensAG_01698_17_1_17_8_CAT.pdf
- Terminal Type:
- Line Lug
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL)
MSRP $234.00Surplus $63.18 -
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Siemens BQ2B060QLD Molded Case Breakers (MCCBs)
MSRP $234.00Surplus $63.18SKU: C15-15646 Brand: Siemens MPN: BQ2B060QLD UPC: 78364341188 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-15646
- Number of Poles:
- 2
- Series:
- BQXD
- Catalog:
- SiemensAG_01698_17_1_17_8_CAT.pdf
- Terminal Type:
- Line Lug
- Current Rating:
- 60 A
- Wire Size:
- 8 to 1 AWG (Copper), 6 to 1/0 AWG (Aluminum)
- Interrupting Rating:
- 10 kA at 120/240 VAC Symmetrical (UL)
- Data Sheet:
- SiemensAG_05376_1_DATA.pdf
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Size:
- 2 Inch W x 3 Inch D x 4-1/2 Inch H
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Country of Origin:
- MEX
- Approval:
- UL 489, CSA C22.2
- Mounting:
- DIN Rail
- Short Description:
- 120/240 VAC, 60 A, 10 kA, 2-Pole, Line/Load Lug Terminal, DIN Rail Mount, BQLD Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL)
MSRP $234.00Surplus $63.18 -
Siemens CQD3100 Din Rail Mounted Circuit Breakers
MSRP $1,603.00Surplus $84.43SKU: C15-7414 Brand: Siemens MPN: CQD3100 UPC: 78364327785 Shipping Weight: 2.10 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- C15-7414
- Type:
- Thermal Magnetic
- Series:
- CQD
- Voltage Rating:
- 277/480 VAC
- Mounting:
- DIN Rail
- Short Description:
- 480 VAC Star/277 VAC, 100 A, 14 kA, 3-Pole, 8 to 1 AWG Copper/6 to 1/0 AWG Aluminum, Load Lug Terminal, DIN Rail Mount, CQD Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Current Rating:
- 100 A
- Wire Size:
- 8 to 1 AWG (Copper), 6 to 1/0 AWG (Aluminum)
- Terminal Type:
- Lug
- Size:
- 3 Inch Width x 2.88 Inch Depth x 4.9 Inch Height
- Interrupting Rating:
- 65 kA at 240 VAC, 14 kA at 480 Star/277 VAC (UL)
- Number of Poles:
- 3
- Catalog:
- SiemensAG_01698_17_1_17_11_CAT.pdf
- Approval:
- UL
- Country of Origin:
- Mexico
MSRP $1,603.00Surplus $84.43 -
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Siemens CQD380 Din Rail Mounted Circuit Breakers
MSRP $1,603.00Surplus $276.64SKU: C15-7415 Brand: Siemens MPN: CQD380 UPC: 78364327783 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7415
- Interrupting Rating:
- 65 kA at 240 VAC, 14 kA at 480 Star/277 VAC (UL)
- Current Rating:
- 80 A
- Type:
- Thermal Magnetic
- Wire Size:
- 8 to 1 AWG (Copper), 6 to 1/0 AWG (Aluminum)
- Mounting:
- DIN Rail
- Number of Poles:
- 3
- Terminal Type:
- Lug
- Voltage Rating:
- 277/480 VAC
- Size:
- 3 Inch W x 2.88 Inch D x 4.9 Inch H
- Catalog:
- SiemensAG_01698_17_1_17_11_CAT.pdf
- Series:
- CQD
- Short Description:
- 480 VAC Star/277 VAC, 80 A, 14 kA, 3-Pole, 8 to 1 AWG Copper/6 to 1/0 AWG Aluminum, Load Lug Terminal, DIN Rail Mount, CQD Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Approval:
- UL
- Country of Origin:
- MEX
MSRP $1,603.00Surplus $276.64
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