
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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Cutler-Hammer CH140 Miniature Circuit Breakers (MCBs) CH 1P 40A 50/60Hz 1Ph EA
MSRP $22.05Surplus $15.90Cutler-Hammer CH140 Miniature Circuit Breakers (MCBs) CH 1P 40A 50/60Hz 1Ph EA​ ARCA SKU: C15-6745 Brand: Eaton Cutler-Hammer MPN: CH140 UPC: 78211310167 Shipping Weight: 0.25 lbs. Shipping...- SKU:
- C15-6745
- TS PIK:
- 531260
- Series:
- Type CH
- Voltage Rating:
- 120/240 V
- Current Rating:
- 40 A
- Short Description:
- 120/240 VAC, 40 A, 10 kA, 1-Pole, 3/4" Plug-On Mount, Thermal Magnetic, Circuit Breaker
- Installation/Operator:
- Eaton_00231_INST.pdf
- Number of Poles:
- 1
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
- Used On:
- Type CH Loadcenter
- Wire Size:
- 14 to 2 AWG (Aluminum/Copper)
MSRP $22.05Surplus $15.90 -
Eaton CH270 Miniature Circuit Breakers (MCBs) CH 2P 70A 240V 50/60Hz 1Ph EA
MSRP $203.42Surplus $51.55Eaton CH270 Miniature Circuit Breakers (MCBs) CH 2P 70A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-3957 Brand: Eaton MPN: CH270 UPC: 782113101897 Shipping Weight: 0.55 lbs. Shipping...- SKU:
- C15-3957
- Approval:
- UL 489
- Amps:
- 70 A
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Poles:
- 2
- Terminal Type:
- Common Trip
- Used On:
- Type CH Loadcenter
- Volts:
- 120/240 V
- Gauge:
- 14 to 2 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Circuit Breaker
- Series:
- Type CH
- TS PIK:
- 531271
- Current Rating:
- 70 A
- Type:
- Common Trip
- Wire Size:
- 14 to 2 AWG (Aluminum/Copper)
- Number of Poles:
- 2
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
- Installation/Operator:
- Eaton_00231_INST.pdf
- Voltage Rating:
- 120/240 V
- Country of Origin:
- Dominican Republic
MSRP $203.42Surplus $51.55 -
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Eaton CH140 Miniature Circuit Breakers (MCBs) 40A 120V
MSRP $22.05Surplus $11.75Eaton CH140 Miniature Circuit Breakers (MCBs) 40A 120V​ ARCA SKU: C15-1388 Brand: Eaton MPN: CH140 UPC: 78211310167 Shipping Weight: 0.30 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-1388
- Series:
- Type CH
- Volts:
- 120/240 V
- Amps:
- 32 A
- Used On:
- Type CH Loadcenter
- Poles:
- 1
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 2 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 40 A, 10 kA, 1-Pole, 3/4" Plug-On Mount, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
- Number of Poles:
- 1
- Voltage Rating:
- 120/240 V
- Installation/Operator:
- Eaton_00231_INST.pdf
- Current Rating:
- 40 A
MSRP $22.05Surplus $11.75 -
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Crouse-Hinds CH2100 Miniature Circuit Breakers (MCBs)
MSRP $304.16Surplus $86.52Crouse-Hinds CH2100 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-5675 Brand: Crouse-Hinds MPN: CH2100 UPC: 78211310237 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-5675
- TS PIK:
- 531281
- Short Description:
- 120/240 VAC, 100 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Circuit Breaker
- Series:
- Type CH
- Current Rating:
- 100 A
- Mounting:
- Plug-On
- Number of Poles:
- 2
- Type:
- Common Trip
- Voltage Rating:
- 120/240 V
- Interrupting Rating:
- 10 kA
- Catalog:
- Eaton_00071_V1T1_36_V1T1_37_CAT.pdf
- Installation/Operator:
- Eaton_00231_INST.pdf
- Used On:
- Type CH Loadcenter
- Wire Size:
- 10 to 1/0 AWG (Aluminum/Copper)
MSRP $304.16Surplus $86.52 -
Eaton BQ240230 Miniature Circuit Breakers (MCBs) BQ 2P 40A/30A 120/240V 50/60Hz 1Ph
MSRP $183.00Surplus $87.78Eaton BQ240230 Miniature Circuit Breakers (MCBs) BQ 2P 40A/30A 120/240V 50/60Hz 1Ph​ ARCA SKU: C15-1520 Brand: Eaton MPN: BQ240230 UPC: 786676004633 Shipping Weight: 0.90 Shipping...- SKU:
- C15-1520
- Approval:
- UL 489
- Amps:
- (1) 40 A
- Amps:
- (1) 30 A
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Poles:
- 4
- Size:
- 2 Inch Width x 3 Inch Depth x 3 Inch Height
- Terminal Type:
- Thermal Magnetic
- Type:
- Independent Trip
- Used On:
- BR Series Load Center
- Volts:
- 120/240 V
- Gauge:
- 14 to 4 AWG Copper/Aluminum
- Specification/Technical:
- Eaton_36173_1_2_SPEC.pdf
- Wire Size:
- 14 to 4 AWG Copper/Aluminum
- Voltage Rating:
- 120/240 V
- Short Description:
- EATON BR THERMAL MAGNETIC CIRCUIT BREAKER,TYPE BQ 1-INCH CTL PLUG-ON CIRCUIT BRE
- Current Rating:
- (1) 40 A, (1) 30 A
- Number of Poles:
- 4
- Country of Origin:
- Dominican Republic
MSRP $183.00Surplus $87.78 -
Eaton BQC225225 Miniature Circuit Breakers (MCBs) BQC 2P 25A 240V 50/60Hz 1Ph EA
MSRP $220.00Surplus $53.18Eaton BQC225225 Miniature Circuit Breakers (MCBs) BQC 2P 25A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1168 Brand: Eaton MPN: BQC225225 UPC: 786676371889 Shipping Weight: 0.80 lbs. Shipping...- SKU:
- C15-1168
- Approval:
- UL 489
- Amps:
- 25 A (Outer/Center)
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Poles:
- 2
- Size:
- 2 Inch Width x 2.5 Inch Depth x 3.2 Inch Height
- Terminal Type:
- Thermal Magnetic
- Type:
- Quadplex
- Type:
- Common Trip
- Used On:
- BR Series Load Center
- Volts:
- 120/240 V
- Gauge:
- 14 to 4 AWG Copper/Aluminum
- Specification/Technical:
- Eaton_62158_1_2_SPEC.pdf
- Current Rating:
- 25 A (Outer/Center)
- Voltage Rating:
- 120/240 V
- Catalog:
- Eaton_00071_V1T1_89_CAT.pdf
- Wire Size:
- 14 to 4 AWG Copper/Aluminum
- Number of Poles:
- 2
- Short Description:
- EATON BR THERMAL MAGNETIC CIRCUIT BREAKER,TYPE BQC 1-INCH CTL PLUG-ON CIRCUIT BR
- TS PIK:
- 21493988
- Series:
- BR
- Country of Origin:
- Dominican Republic
MSRP $220.00Surplus $53.18 -
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Eaton BQC2402115 Miniature Circuit Breakers (MCBs)
MSRP $251.54Surplus $87.78SKU: C15-9412 Brand: Eaton MPN: BQC2402115 UPC: 78667637179 Shipping Weight: 0.90 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In...- SKU:
- C15-9412
- TS PIK:
- 21493979
- Number of Poles:
- 4
- Catalog:
- Eaton_36620_V1T1_89_CAT.pdf
- Short Description:
- 120/240 VAC, 15/40 A, 10 kA, 1-Pole Outer Left/1-Pole Outer Right/2-Pole Center, Plug-On Mount, BQC Breaker, Common Trip, Quadplex, Thermal Magnetic, Circuit Breaker
- Voltage Rating:
- 120/240 V
- Current Rating:
- 15/40 A
- Interrupting Rating:
- 10 kA
- Type:
- Common Trip, Quadplex
- Used On:
- Type BR Loadcenter
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Series:
- Type BQC
- Mounting:
- Plug-On
MSRP $251.54Surplus $87.78 -
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Eaton BQC240250 Miniature Circuit Breakers (MCBs)
MSRP $205.00Surplus $76.12SKU: C15-1177 Brand: Eaton MPN: BQC240250 UPC: 786676371933 Shipping Weight: 0.80 lbs. Shipping Height: 2.60 In. Shipping Length: 3.00 In. Shipping Width: 2.00 In...- SKU:
- C15-1177
- Voltage Rating:
- 120/240 V
- Short Description:
- 120/240 VAC, 40/50 A, 10 kA, 2-Pole Outer/2-Pole Center, Plug-On Mount, BQC Breaker, Common Trip, Quadplex, Thermal Magnetic, Circuit Breaker
- Number of Poles:
- 4
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Mounting:
- Plug-On
- Used On:
- Type BR Loadcenter
- Series:
- Type BQC
- Current Rating:
- 40 A (2-Pole), 50 A (2-Pole)
- Interrupting Rating:
- 10 kA
- Type:
- Common Trip, Quadplex
- Catalog:
- Eaton_36620_V1T1_89_CAT.pdf
- TS PIK:
- 21493993
MSRP $205.00Surplus $76.12 -
Eaton BRDC215215 Miniature Circuit Breakers (MCBs) BRDC 2P 15A 120/240V 50/60Hz 1Ph
MSRP $458.00Surplus $43.66Eaton BRDC215215 Miniature Circuit Breakers (MCBs) BRDC 2P 15A 120/240V 50/60Hz 1Ph​ ARCA SKU: C15-1295 Brand: Eaton MPN: BRDC215215 UPC: 786676372312 Shipping Weight: 0.80 lbs. Shipping...- SKU:
- C15-1295
- Short Description:
- EATON BR THERMAL MAGNETIC CIRCUIT BREAKER,TYPE BR 1-INCH QUAD CIRCUIT BREAKER,(2
- Current Rating:
- 15 A (Outer/Center)
- Mounting:
- Plug-On
- Number of Poles:
- 4
- Voltage Rating:
- 120/240 V
- Size:
- 2 Inch Width x 3 Inch Depth x 3 Inch Height
- Type:
- Thermal Magnetic, Quadplex, Common Trip
- Used On:
- BR Series Load Center
- Wire Size:
- 14 to 4 AWG Copper/Aluminum
- Catalog:
- Eaton_00071_V1T1_83_V1T1_88_CAT.pdf
- Interrupting Rating:
- 10 kA
MSRP $458.00Surplus $43.66 -
Eaton CH2100 Miniature Circuit Breakers (MCBs)
MSRP $410.00Surplus $99.75SKU: C15-1393 Brand: Eaton MPN: CH2100 UPC: 782113102375 Shipping Weight: 0.65 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-1393
- TS PIK:
- 531281
- Interrupting Rating:
- 10 kA
- Installation/Operator:
- Eaton_00231_INST.pdf
- Wire Size:
- 10 to 1/0 AWG (Aluminum/Copper)
- Type:
- Common Trip
- Short Description:
- 120/240 VAC, 100 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Circuit Breaker
- Number of Poles:
- 2
- Used On:
- Type CH Loadcenter
- Catalog:
- Eaton_00071_V1T1_36_V1T1_37_CAT.pdf
- Series:
- Type CH
- Current Rating:
- 100 A
- Mounting:
- Plug-On
- Voltage Rating:
- 120/240 V
MSRP $410.00Surplus $99.75 -
Murray MQ220 Miniature Circuit Breakers (MCBs) 2P 20A
MSRP $139.05Surplus $26.49Murray MQ220 Miniature Circuit Breakers (MCBs) 2P 20A​ ARCA SKU: C15-6317 Brand: Murray MPN: MQ220 UPC: 04089252820 Shipping Weight: 3.70 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6317
- TS PIK:
- 120071665
- Short Description:
- 20 A, 10 kA, 2-Pole, 3/4" Format, MSQ Frame, Circuit Breaker
- Type:
- Common Trip
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Mounting:
- Plug-On
- Used On:
- Loadcenter, Type QO Circuit Breaker, Type QO Panelboard
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SiemensAG_06682_1_DATA.pdf
- Voltage Rating:
- 120/240 V
- Country of Origin:
- Mexico
MSRP $139.05Surplus $26.49 -
Siemens Q2125H Miniature Circuit Breakers (MCBs)
MSRP $1,416.00Surplus $215.50SKU: C15-7632 Brand: Siemens MPN: Q2125H UPC: 78364315640 Shipping Weight: 0.70 lbs. Shipping Height: 3.00 In. Shipping Length: 2.00 In. Shipping Width: 3.00 In...- SKU:
- C15-7632
- TS PIK:
- 120632077
- Type:
- Thermal Magnetic
- Voltage Rating:
- 120/240 V
- Mounting:
- Plug-On
- Data Sheet:
- SiemensAG_06991_1_DATA.pdf
- Current Rating:
- 125 A
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Size:
- 3 Inch Width x 3 Inch Depth x 2 Inch Height
- Short Description:
- 120/240 VAC, 125 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
- Interrupting Rating:
- 22 kA
- Used On:
- Load Centre Main, Feeder
- Number of Poles:
- 2
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Country of Origin:
- Mexico
- Approval:
- UL 489
MSRP $1,416.00Surplus $215.50 -
Siemens Q2200B Other Circuit Breakers
MSRP $1,384.00Surplus $111.80SKU: C15-8487 Brand: Siemens MPN: Q2200B UPC: 78364314873 Shipping Weight: 2.15 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 3.00 In...- SKU:
- C15-8487
- TS PIK:
- 21332080
- Interrupting Rating:
- 10 kA
- Country of Origin:
- MEX
- Short Description:
- 120/240 V, 200 A, 10 kA Interrupt, 2-Pole, Thermal Magnetic, Miniature Circuit Breaker
- Data Sheet:
- SiemensAG_01645_1_DATA.pdf
- Voltage Rating:
- 120/240 V
- Type:
- Thermal Magnetic
- Size:
- 2 Inch Width x 7 Inch Depth x 4 Inch Height
- Mounting:
- Plug-On
- Number of Poles:
- 2
- Current Rating:
- 200 A
- Approval:
- UL 489
MSRP $1,384.00Surplus $111.80 -
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Siemens QF230 Miniature Circuit Breakers (MCBs) 30A
MSRP $321.50Surplus $165.06SKU: C15-6280 Brand: Siemens MPN: QF230 UPC: 78364314856 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-6280
- TS PIK:
- 21366645
- Short Description:
- 120/240 VAC, 30 A, 10 kA, 5 mA, 2-Pole, Plug-On Mount, QPF Frame, GFCI, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Number of Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Current Rating:
- 30 A
- Voltage Rating:
- 120/240 V
- Data Sheet:
- SiemensAG_07102_1_DATA.pdf
- Size:
- 6.8 Inch Width x 12.7 Inch Depth x 7.9 Inch Height
- Used On:
- Load Centre Main, Feeder
MSRP $321.50Surplus $165.06 -
Siemens QF240A Miniature Circuit Breakers (MCBs)
MSRP $404.00Surplus $107.78Siemens QF240A Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8842 Brand: Siemens MPN: QF240A UPC: 88762121672 Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-8842
- TS PIK:
- 126617536
- Short Description:
- 120/240 VAC, 40 A, 10 kA, 5 mA, 2-Pole, Plug-In Mount, QPF Frame, GFCI, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Current Rating:
- 40 A
- Catalog:
- SiemensAG_00562_1_40_CAT.pdf
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA
- Type:
- Circuit Interrupter
- Data Sheet:
- SiemensAG_07105_1_DATA.pdf
- Voltage Rating:
- 120/240 V
- Used On:
- Load Center
- Mounting:
- Plug-On
- Country of Origin:
- Philippines
MSRP $404.00Surplus $107.78
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