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
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Siemens Q290 Miniature Circuit Breakers (MCBs) 2P 90A
MSRP $450.00Surplus $52.67Siemens Q290 Miniature Circuit Breakers (MCBs) 2P 90A​ ARCA SKU: C15-3211 Brand: Siemens MPN: Q290 UPC: 66286200423 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-3211
- Approval:
- UL 489
- Amps:
- 90 A
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Poles:
- 2
- Size:
- 3 Inch Width x 3 Inch Depth x 2 Inch Height
- Terminal Type:
- Load Lug
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Used On:
- Load Center
- Volts:
- 120/240 VAC
- Gauge:
- 8 to 2/0 AWG (Copper/Aluminum)
- Short Description:
- 120/240 V, 90 A, 10 kA, 2-Pole, Plug-In, QP Frame, Common Trip, Circuit Breaker
- Data Sheet:
- SiemensAG_01546_1_DATA.pdf
- TS PIK:
- 115704608
- Current Rating:
- 90 A
- Voltage Rating:
- 120/240 VAC
- Catalog:
- SiemensAG_01502_1_12_CAT.pdf
- Wire Size:
- 8 to 2/0 AWG (Copper/Aluminum)
- Number of Poles:
- 2
- Country of Origin:
- MEX
MSRP $450.00Surplus $52.67 -
Siemens BQD290 Miniature Circuit Breakers (MCBs)
MSRP $1,368.00Surplus $148.34SKU: C15-8746 Brand: Siemens MPN: BQD290 UPC: 78364327732 Shipping Weight: 1.15 lbs. Shipping Height: 4.49 In. Shipping Length: 4.00 In. Shipping Width: 2.00 In...- SKU:
- C15-8746
- TS PIK:
- 21367352
- Number of Poles:
- 2
- Current Rating:
- 90 A
- Voltage Rating:
- 480 Star/277 VAC at 50/60 Hz, 125/250 VDC (UL)
- Short Description:
- 480 VAC Star/277 VAC, 90 A, 14 kA, 2-Pole, Low-Tab Mount, Molded Case, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
- Data Sheet:
- SiemensAG_05433_1_DATA.pdf
- Catalog:
- SiemensAG_00565_11_16_CAT.pdf
- Interrupting Rating:
- 14 kA at 480 Star/277 VAC/125/250 VDC (UL)
- Series:
- BQD
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Type:
- Branch, Molded Case, Thermal and Fixed Magnetic
- Installation/Operator:
- SiemensAG_00221_INST.pdf
- Country of Origin:
- Mexico
- Installation:
- Bolt-On
- Application:
- Lighting, Distribution
- Approval:
- UL
MSRP $1,368.00Surplus $148.34 -
Siemens B290 Miniature Circuit Breakers (MCBs)
MSRP $498.00Surplus $83.85Siemens B290 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6118 Brand: Siemens MPN: B290 UPC: Shipping Weight: 0.65 lbs. Shipping Height: 2.00 In. Shipping Length: 4...- SKU:
- C15-6118
- Number of Poles:
- 2
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Data Sheet:
- SiemensAG_05227_1_DATA.pdf
- Short Description:
- 120/240 VAC, 90 A, 10 kA, 2-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
- Current Rating:
- 90 A
- Voltage Rating:
- 120/240 VAC
- Used On:
- P1 Panelboard
- Type:
- Molded Case, Branch, Common Trip, Thermal Magnetic
- Interrupting Rating:
- 10 kA
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Country of Origin:
- Mexico
- Installation:
- Bolt-On
- Application:
- Electrical Distribution
- Approval:
- UL 489, CSA C22.2
MSRP $498.00Surplus $83.85 -
Siemens B290H Miniature Circuit Breakers (MCBs) 2P 90A 120V
MSRP $813.00Surplus $100.85Siemens B290H Miniature Circuit Breakers (MCBs) 2P 90A 120V​ ARCA SKU: C15-6119 Brand: Siemens MPN: B290H UPC: 78364326396 Shipping Weight: 0.70 lbs. Shipping Height: 2.00 In...- SKU:
- C15-6119
- TS PIK:
- 121839260
- Short Description:
- 120/240 VAC, 90 A, 22 kA, 2-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
- Number of Poles:
- 2
- Type:
- Molded Case, Thermal and Fixed Magnetic, Branch, Common Trip
- Current Rating:
- 90 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Voltage Rating:
- 120/240 VAC (UL)
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Data Sheet:
- SiemensAG_05228_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Interrupting Rating:
- 22 kA at 120/240 VAC (UL)
- Country of Origin:
- Mexico
- Installation:
- Bolt-On
- Application:
- Lighting, Distribution
- Approval:
- UL 489, CSA C22.2
MSRP $813.00Surplus $100.85 -
Siemens B290HH Miniature Circuit Breakers (MCBs)
MSRP $1,300.00Surplus $420.03SKU: C15-10321 Brand: Siemens MPN: B290HH UPC: 78364327007 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10321
- TS PIK:
- 115555036
- Short Description:
- 120/240 VAC, 90 A, 65 kA, 2-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
- Voltage Rating:
- 120/240 VAC
- Interrupting Rating:
- 10 kA
- Current Rating:
- 90 A
- Number of Poles:
- 2
- Data Sheet:
- SiemensAG_05229_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Used On:
- P1 Panelboard
- Type:
- Molded Case, Branch, Thermal Magnetic
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
- Installation:
- Bolt-On
- Application:
- Electrical Distribution
MSRP $1,300.00Surplus $420.03 -
Siemens BQ2B090 Miniature Circuit Breakers (MCBs) 2P 90A 120V
MSRP $503.00Surplus $73.96Siemens BQ2B090 Miniature Circuit Breakers (MCBs) 2P 90A 120V​ ARCA SKU: C15-6134 Brand: Siemens MPN: BQ2B090 UPC: 78364310247 Shipping Weight: 0.65 lbs. Shipping Height: 2.00 In...- SKU:
- C15-6134
- TS PIK:
- 119226720
- Series:
- BQ
- Type:
- Molded Case, Thermal and Fixed Magnetic, Common Trip
- Terminal Type:
- Load Lug
- Current Rating:
- 90 A
- Short Description:
- 120/240 VAC, 90 A, 10 kA, 2-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Size:
- 2 Inch W x 3 Inch D x 4 Inch H
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Interrupting Rating:
- 10 kA at 120/240 VAC Symmetrical (UL)
- Wire Size:
- 4 to 1/0 AWG (Copper), 2 to 1/0 AWG (Aluminum)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Data Sheet:
- SiemensAG_05382_1_DATA.pdf
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
MSRP $503.00Surplus $73.96 -
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Siemens ED42B090 Miniature Circuit Breakers (MCBs)
MSRP $516.00Surplus $139.32SKU: C15-15845 Brand: Siemens MPN: ED42B090 UPC: 78364320932 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-15845
- Series:
- ED4
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Terminal Type:
- Load Lug
- Short Description:
- 480 VAC 50/60 Hz, 250 VDC, 90 A, 18 kA, 2-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Wire Size:
- 10 to 1/0 AWG (Copper/Aluminum)
- Number of Poles:
- 2
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Interrupting Rating:
- 65 kA at 240 VAC, 18 kA at 480 VAC, 30 kA at 250 VDC (UL)
- Mounting:
- Plug-On
- Country of Origin:
- MEX
- Current Rating:
- 90 A
- Voltage Rating:
- 480 VAC at 50/60 Hz, 250 VDC (UL)
- Size:
- 2 Inch W x 4.56 Inch D x 6.35 Inch H
- Approval:
- UL 489, CSA C22.2
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
MSRP $516.00Surplus $139.32 -
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Siemens Q290H Molded Case Breakers (MCCBs)
MSRP $283.00Surplus $88.20SKU: U00-8508 Brand: Siemens MPN: Q290H UPC: 78364314881 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- U00-8508
- Interrupting Rating:
- 22 kA
- Country of Origin:
- MEX
- Current Rating:
- 90 A
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Type:
- Thermal and Fixed Magnetic, Common Trip
- Terminal Type:
- Load Lug
- Mounting:
- Plug-On
- Data Sheet:
- SiemensAG_07047_1_DATA.pdf
- Short Description:
- 120/240 VAC, 90 A, 22 kA, 2-Pole, 8 to 2/0 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QPH Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Used On:
- Loadcenter
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Size:
- 2 Inch W x 3 Inch D x 3-1/8 Inch H
- Approval:
- UL 489, CSA C22.2
- Wire Size:
- 8 to 2/0 AWG (Copper/Aluminum)
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Number of Poles:
- 2
MSRP $283.00Surplus $88.20 -
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Siemens QJ22B090 Molded Case Breakers (MCCBs)
MSRP $546.21Surplus $147.47SKU: C15-19061 Brand: Siemens MPN: QJ22B090 UPC: 78364320100 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-19061
- Interrupting Rating:
- 10 kA at 240 VAC (UL)
- Number of Poles:
- 2
- Approval:
- UL 489, CSA C22.2
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Country of Origin:
- MEX
- Catalog:
- SiemensAG_01842_7_CAT.pdf
- Size:
- 3 Inch W x 2.53 Inch D x 7 Inch H
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Series:
- QJ2
- Short Description:
- 240 VAC, 90 A, 10 kA, 2-Pole, Load Lug Terminal, QJ Frame, Molded Case Circuit Breaker
- Terminal Type:
- Load Lug
- Current Rating:
- 90 A
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Wire Size:
- 6 AWG to 300 KCMIL (Copper), 4 AWG to 300 KCMIL (Aluminum)
MSRP $546.21Surplus $147.47
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