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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Siemens B3100H00S01 Miniature Circuit Breakers (MCBs)
MSRP $1,500.00Surplus $568.23SKU: C15-10322 Brand: Siemens MPN: B3100H00S01 UPC: 78364326903 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10322
- TS PIK:
- 115555042
- Interrupting Rating:
- 22 kA at 240 VAC (UL)
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Number of Poles:
- 3
- Short Description:
- 240 VAC, 100 A, 22 kA, 3-Pole, Bolt-On Mount, Molded Case, Thermal Magnetic, Panelboard Circuit Breaker
- Catalog:
- SiemensAG_00876_5_18_5_19_CAT.pdf
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Current Rating:
- 100 A
- Data Sheet:
- SiemensAG_01605_1_DATA.pdf
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
- Installation:
- Bolt-On
- Application:
- Lighting, Distribution
MSRP $1,500.00Surplus $568.23 -
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Siemens B3100HH Miniature Circuit Breakers (MCBs)
MSRP $1,812.00Surplus $270.50SKU: C15-7397 Brand: Siemens MPN: B3100HH UPC: 78364326429 Shipping Weight: 1.05 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-7397
- TS PIK:
- 106248809
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Short Description:
- 240 VAC, 100 A, 65 kA, 3-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Current Rating:
- 100 A
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Data Sheet:
- SiemensAG_05232_1_DATA.pdf
- Interrupting Rating:
- 65 kA at 240 VAC (UL)
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Number of Poles:
- 3
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
- Application:
- Lighting, Distribution
- Approval:
- UL 489, CSA C22.2
- Installation:
- Bolt-On
MSRP $1,812.00Surplus $270.50 -
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Siemens B3100HH00S01 Miniature Circuit Breakers (MCBs)
MSRP $1,512.00Surplus $408.24SKU: C15-15399 Brand: Siemens MPN: B3100HH00S01 UPC: 78364326944 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-15399
- Interrupting Rating:
- 65 kA at 240 VAC (UL)
- Approval:
- UL 489, CSA C22.2
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Data Sheet:
- SiemensAG_05233_1_DATA.pdf
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Number of Poles:
- 3
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Current Rating:
- 100 A
- Short Description:
- 240 VAC, 100 A, 65 kA, 3-Pole, Bolt-On Mount, Molded Case, Shunt Trip, Thermal Magnetic Trip Unit, Panelboard Circuit Breaker
- Country of Origin:
- MEX
- Application:
- Lighting, Distribution
- Installation:
- Bolt-On
- Used On:
- P1/P2/P3/P4/P5 Panelboard
MSRP $1,512.00Surplus $408.24 -
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Siemens BQ3B10000S01 Molded Case Breakers (MCCBs)
MSRP $1,496.00Surplus $308.15SKU: U00-7904 Brand: Siemens MPN: BQ3B10000S01 UPC: 78364300085 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- U00-7904
- Size:
- 3 Inch W x 2-3/8 Inch D x 4 Inch H
- Terminal Type:
- Load Lug
- Approval:
- UL
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Data Sheet:
- SiemensAG_05409_1_DATA.pdf
- Short Description:
- 240 VAC, 100 A, 10 kA, 3-Pole, Load Lug Terminal, BQ Frame, Bolt-On, 120 VAC Shunt Trip, Molded Case Circuit Breaker
- Series:
- BQ
- Current Rating:
- 100 A
- Interrupting Rating:
- 10 kA at 240 VAC Symmetrical (UL)
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Wire Size:
- 4 to 1/0 AWG (Copper), 2 to 1/0 AWG (Aluminum)
- Country of Origin:
- MEX
- Type:
- Molded Case, Thermal and Fixed Magnetic, Common Trip
MSRP $1,496.00Surplus $308.15 -
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Siemens BQ3B100H Molded Case Breakers (MCCBs)
MSRP $1,004.71Surplus $271.27SKU: C15-15674 Brand: Siemens MPN: BQ3B100H UPC: 78364316175 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-15674
- Short Description:
- 240 VAC, 100 A, 22 kA, 3-Pole, Load Lug Terminal, BQH Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
- Size:
- 3 Inch W x 3 Inch D x 4 Inch H
- Approval:
- UL
- Series:
- BQH
- Interrupting Rating:
- 22 kA at 240 VAC Symmetrical (UL)
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Type:
- Molded Case, Thermal and Fixed Magnetic, Common Trip
- Number of Poles:
- 3
- Country of Origin:
- MEX
- Wire Size:
- 4 to 1/0 AWG (Copper), 2 to 1/0 AWG (Aluminum)
- Current Rating:
- 100 A
- Terminal Type:
- Load Lug
- Data Sheet:
- SiemensAG_05410_1_DATA.pdf
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Used On:
- P1/P2/P3/P4/P5 Panelboard
MSRP $1,004.71Surplus $271.27 -
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Siemens QJ23B100 Molded Case Breakers (MCCBs)
MSRP $2,090.00Surplus $538.36SKU: C15-7634 Brand: Siemens MPN: QJ23B100 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7634
- TS PIK:
- 120152761
- Country of Origin:
- MEX
- Wire Size:
- 6 AWG to 300 KCMIL (Copper), 4 AWG to 300 KCMIL (Aluminum)
- Size:
- 4.5 Inch W x 2.53 Inch D x 7 Inch H
- Terminal Type:
- Load Lug
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Number of Poles:
- 3
- Series:
- QJ2
- Short Description:
- 240 VAC, 100 A, 10 kA, 3-Pole, Load Lug Terminal, QJ Frame, Molded Case Circuit Breaker
- Current Rating:
- 100 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Interrupting Rating:
- 10 kA at 240 VAC (UL)
- Catalog:
- SiemensAG_01842_7_CAT.pdf
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Approval:
- UL 489, CSA C22.2
MSRP $2,090.00Surplus $538.36 -
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Siemens QJ23B100H Molded Case Breakers (MCCBs)
MSRP $3,713.00Surplus $995.39SKU: C15-7635 Brand: Siemens MPN: QJ23B100H UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7635
- TS PIK:
- 123475010
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Interrupting Rating:
- 42 kA at 240 VAC (UL)
- Approval:
- UL 489, CSA C22.2
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Wire Size:
- 6 AWG to 300 KCMIL (Copper), 4 AWG to 300 KCMIL (Aluminum)
- Catalog:
- SiemensAG_01842_7_CAT.pdf
- Short Description:
- 240 VAC, 100 A, 42 kA, 3-Pole, Load Lug Terminal, QJ Frame, Molded Case Circuit Breaker
- Country of Origin:
- MEX
- Series:
- QJ2H
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Size:
- 4.5 Inch W x 2.53 Inch D x 7 Inch H
- Current Rating:
- 100 A
- Number of Poles:
- 3
- Terminal Type:
- Load Lug
MSRP $3,713.00Surplus $995.39 -
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Siemens QJH23B100 Molded Case Breakers (MCCBs)
MSRP $3,242.00Surplus $872.05SKU: C15-7690 Brand: Siemens MPN: QJH23B100 UPC: 78364320119 Shipping Weight: 4.55 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- C15-7690
- TS PIK:
- 21333885
- Series:
- QJH2
- Type:
- Fixed Thermal Magnetic
- Country of Origin:
- MEX
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Short Description:
- 240 VAC, 100 A, 22 kA, 3-Pole, Load Lug Terminal, QJ Frame, Molded Case Circuit Breaker
- Current Rating:
- 100 A
- Interrupting Rating:
- 22 kA at 240 VAC (UL)
- Number of Poles:
- 3
- Terminal Type:
- Load Lug
- Catalog:
- SiemensAG_01842_7_CAT.pdf
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Wire Size:
- 6 AWG to 300 KCMIL (Copper), 4 AWG to 300 KCMIL (Aluminum)
- Size:
- 4.5 Inch W x 2.53 Inch D x 7 Inch H
- Approval:
- UL 489, CSA C22.2
MSRP $3,242.00Surplus $872.05
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