
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 CSR2100N Main Breakers CSR 2P 100A 240V 50/60Hz 1Ph EA
MSRP $870.00Surplus $216.87SKU: C15-1977 Brand: Eaton MPN: CSR2100N UPC: 78211606111 Shipping Weight: 2.80 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- C15-1977
- Series:
- CSR
- Type:
- Common Trip
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- CH Series Load Center
- Poles:
- 2
- Interrupting Rating:
- 25 kA
- Terminal Type:
- Load Lug
- Wire Size:
- 2 AWG to 300 KCMIL (Copper/Aluminum)
- Specification/Technical:
- EatonCorp_00204_1_2_SPEC.pdf
- Current Rating:
- 100 A
- Number of Poles:
- 2
- Frame Type:
- CH
- Voltage Rating:
- 120/240 V
- Short Description:
- Type CSR Standard Circuit Breaker,Standard circuit breaker,100 A,25 kAIC,Two-pole,120/240 V,CH,#2 - 300 kcmil,Q1,CSR,Type CH loadcenters
- Country of Origin:
- Dominican Republic
MSRP $870.00Surplus $216.87 -
Eaton CH270 Miniature Circuit Breakers (MCBs) CH 2P 70A 240V 50/60Hz 1Ph EA
MSRP $203.42Surplus $51.77Eaton 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 $51.77 -
Eaton CH2100 Miniature Circuit Breakers (MCBs)
MSRP $410.00Surplus $105.00SKU: 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
- Approval:
- UL 489
- Country of Origin:
- Dominican Republic
MSRP $410.00Surplus $105.00 -
Eaton BQC225225 Miniature Circuit Breakers (MCBs) BQC 2P 25A 240V 50/60Hz 1Ph EA
MSRP $220.00Surplus $51.85Eaton 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 $51.85 -
Eaton CCV2100X Molded Case Breakers (MCCBs)
MSRP $1,050.00Surplus $178.46SKU: C15-2251 Brand: Eaton MPN: CCV2100X UPC: 786685368344 Shipping Weight: 2.75 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-2251
- Series:
- CCV
- Type:
- Thermal Magnetic
- Type:
- Main
- Approval:
- UL
- Size:
- 8 Inch Length x 4.5 Inch Width x 5.5 Inch Height
- Volts:
- 120/240 V
- Amps:
- 32 A
- Used On:
- ECC Unit Enclosure
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Load Lug
- Wire Size:
- 2/0 AWG to 300 KCMIL (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 100 A, 10 kA, 2-Pole, Load Lug Terminal, Bolt-On Mount, Thermal Magnetic, Main Tenant
- Catalog:
- Eaton_36620_V1T4_88_V1T4_123_V1T4_134_CAT.pdf
- TS PIK:
- 123986987
- Voltage Rating:
- 120/240 V
- Current Rating:
- 100 A
- Number of Poles:
- 2
- Country of Origin:
- United States
MSRP $1,050.00Surplus $178.46 -
Eaton CCV2125X Molded Case Breakers (MCCBs)
MSRP $1,050.00Surplus $279.59SKU: C15-2246 Brand: Eaton MPN: CCV2125X UPC: 786685368405 Shipping Weight: 2.80 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-2246
- Series:
- CCV
- Type:
- Thermal Magnetic
- Type:
- Main
- Approval:
- UL
- Size:
- 8 Inch Length x 4.5 Inch Width x 5.5 Inch Height
- Volts:
- 120/240 V
- Amps:
- 32 A
- Used On:
- ECC Unit Enclosure
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Load Lug
- Wire Size:
- 2/0 AWG to 300 KCMIL (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 125 A, 10 kA, 2-Pole, Load Lug Terminal, Bolt-On Mount, Thermal Magnetic, Main Tenant
- Catalog:
- Eaton_36620_V1T4_88_V1T4_123_V1T4_134_CAT.pdf
- TS PIK:
- 123986993
- Voltage Rating:
- 120/240 V
- Number of Poles:
- 2
- Current Rating:
- 125 A
- Country of Origin:
- United States
MSRP $1,050.00Surplus $279.59 -
Eaton CCV2150X Molded Case Breakers (MCCBs) 2P 150A 240V
MSRP $740.80Surplus $238.68Eaton CCV2150X Molded Case Breakers (MCCBs) 2P 150A 240V​ ARCA SKU: C15-2256 Brand: Eaton MPN: CCV2150X UPC: 78668536846 Shipping Weight: 2.25 lbs. Shipping Height: 5.00 In...- SKU:
- C15-2256
- Series:
- CCV
- Type:
- Thermal Magnetic
- Type:
- Main
- Approval:
- UL
- Size:
- 8 Inch Length x 4.5 Inch Width x 5.5 Inch Height
- Volts:
- 120/240 V
- Amps:
- 32 A
- Used On:
- ECC Unit Enclosure
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Load Lug
- Wire Size:
- 2/0 AWG to 300 KCMIL (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 150 A, 10 kA, 2-Pole, Load Lug Terminal, Bolt-On Mount, Thermal Magnetic, Main Tenant
- Catalog:
- Eaton_36620_V1T4_88_V1T4_123_V1T4_134_CAT.pdf
- TS PIK:
- 123986999
- Voltage Rating:
- 120/240 V
- Number of Poles:
- 2
- Current Rating:
- 150 A
- Country of Origin:
- Dominican Republic
MSRP $740.80Surplus $238.68 -
Eaton CHB2110 Miniature Circuit Breakers (MCBs)
MSRP $1,637.11Surplus $750.80SKU: C15-4884 Brand: Eaton MPN: CHB2110 UPC: 78211333888 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-4884
- TS PIK:
- 106247339
- Number of Poles:
- 2
- Type:
- Thermal Magnetic
- Used On:
- CH Load Center, PB Panelboard
- Mounting:
- Bolt-On
- Short Description:
- EATON CH THERMAL MAGNETIC CIRCUIT BREAKER,CIRCUIT BREAKER,125 A,10 kAIC,TWO-POLE
- Wire Size:
- 4 to 1/0 AWG
- Interrupting Rating:
- 10 kA
- Voltage Rating:
- 120/240 V
- Current Rating:
- 110 A
- Approval:
- UL 489
- Catalog:
- Eaton_57969_V12T3_9_CAT.pdf
- Size:
- 2 Inch Width x 3.9 Inch Depth x 4.8 Inch Height
- Country of Origin:
- Mexico
MSRP $1,637.11Surplus $750.80 -
Eaton CV2125XMM Molded Case Breakers (MCCBs) CV 2P 125A 240V 50/60Hz 2Ph
MSRP $2,145.00Surplus $569.75SKU: C15-1868 Brand: Eaton MPN: CV2125XMM UPC: 786685706450 Shipping Weight: 3.20 lbs. Shipping Height: 6.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- C15-1868
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Amps:
- 125 A
- Interrupting Rating:
- 65 kA
- Mounting:
- Bolt-On
- Poles:
- 2
- Size:
- 3.5 Inch Width x 7.5 Inch Depth x 5 Inch Height
- Terminal Type:
- Load
- Type:
- Thermal Magnetic Trip
- Used On:
- 1MP/1MM/3MM 200 A Modular Metering Stack
- Volts:
- 120/240 V
- Gauge:
- 6 to 4/0 AWG Copper/Aluminum
- TS PIK:
- 125092845
- Number of Poles:
- 2
- Current Rating:
- 125 A
- Catalog:
- Eaton-CutlerHammer_00031_V1T4_88_V1T4_124_V1T4_125_V1T4_133_V1T4_134_CAT.pdf
- Voltage Rating:
- 120/240 V
- Short Description:
- EATON TYPE CV MOLDED CASE CIRCUIT BREAkER,MOLDED CASE CIRCUIT BREAkER,125 A,65 k
- Country of Origin:
- United States
- Wire Size:
- 6 to 4/0 AWG Copper/Aluminum
MSRP $2,145.00Surplus $569.75 -
GE THQL21100ST1 Miniature Circuit Breakers (MCBs)
MSRP $500.00Surplus $203.42SKU: C15-10245 Brand: GE MPN: THQL21100ST1 UPC: 78316407404 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10245
- TS PIK:
- 121785527
- Voltage Rating:
- 120/240 V
- Current Rating:
- 100 A
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_10_CAT.pdf
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 2
- Country of Origin:
- United States
MSRP $500.00Surplus $203.42 -
GE THQL2120GFEP Miniature Circuit Breakers (MCBs)
MSRP $530.00Surplus $211.13SKU: U00-8788 Brand: GE MPN: THQL2120GFEP UPC: 78316432112 Shipping Weight: 0.80 lbs. Shipping Height: 3.00 In. Shipping Length: 5.00 In. Shipping Width: 4.00 In...- SKU:
- U00-8788
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC, 208 Star/120 VAC, 20 A, 10 kA, 2-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Plug-On Mount, Box Terminal, Q-Line Frame, Molded Case, Fixed Thermal Magnetic, Equipment Protector, Ground Fault, Circuit Breaker
- Interrupting Rating:
- 10 kA
- Voltage Rating:
- 120/240 V
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_32_CAT.pdf
- Wire Size:
- 14 to 8 AWG Copper, 12 to 8 AWG Aluminum
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- Country of Origin:
- United States
MSRP $530.00Surplus $211.13 -
GE THQL2130ST1 Miniature Circuit Breakers (MCBs)
MSRP $232.00Surplus $154.28SKU: C15-10249 Brand: GE MPN: THQL2130ST1 UPC: 78316407402 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10249
- TS PIK:
- 121785517
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_10_CAT.pdf
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA
- Voltage Rating:
- 120/240 V
- Current Rating:
- 30 A
- Country of Origin:
- United States
MSRP $232.00Surplus $154.28 -
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
- Approval:
- UL
MSRP $139.05Surplus $26.49 -
Siemens MBK200 Molded Case Breakers (MCCBs)
MSRP $849.50Surplus $333.44SKU: L19-4245 Brand: Siemens MPN: MBK200 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- L19-4245
- TS PIK:
- 21368390
- Country of Origin:
- MEX
- Application:
- Distribution
- Used On:
- Load Center
- Interrupting Rating:
- 22 kA
- Series:
- MBK
- Voltage Rating:
- 120/240 V
- Short Description:
- 120/240 VAC, 200 A, 22 kA, 2-Pole, 1-Phase, Main, Load Center Breaker Kit
- Installation/Operator:
- SiemensAG_01059_INST.pdf
- Type:
- Main
- Number of Poles:
- 2
- Current Rating:
- 200 A
MSRP $849.50Surplus $333.44 -
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 $100.07SKU: 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 $100.07 -
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
- Trip Sensitivity:
- 5 MilliA
MSRP $404.00Surplus $107.78 -
Siemens QF260A Miniature Circuit Breakers (MCBs)
MSRP $396.00Surplus $169.48SKU: C15-6281 Brand: Siemens MPN: QF260A UPC: 88762121678 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-6281
- TS PIK:
- 126513863
- Data Sheet:
- SiemensAG_07109_1_DATA.pdf
- Used On:
- Load Center
- Catalog:
- SiemensAG_00562_1_40_CAT.pdf
- Type:
- Circuit Interrupter
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC, 60 A, 10 kA, 5 mA, 2-Pole, Plug-On Mount, QPF Frame, GFCI, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Current Rating:
- 60 A
- Voltage Rating:
- 120/240 V
- Country of Origin:
- Philippines
- Trip Sensitivity:
- 5 MilliA
MSRP $396.00Surplus $169.48
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