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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GENERAL ELECTRIC THHQL1115 Miniature Circuit Breakers (MCBs)
MSRP $140.21Surplus $30.56GENERAL ELECTRIC THHQL1115 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-2122 Brand: GENERAL ELECTRIC MPN: THHQL1115 UPC: 78316411738 Shipping Weight: 15.85 lbs. Shipping...- SKU:
- C15-2122
- Type:
- With Angle Opening
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 120 VAC, 15 A, 22 kA Interrupt, 1-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum Load Lug Terminal, 1" Plug-In Mount, Q-Line Frame, Non-Interchangeable Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_33_CAT.pdf
- Installation/Operator:
- EmersonElectric-Appleton_00031_INST.pdf
- Manufacturer Warranty:
- EmersonElectric-Appleton_00002_WARR.pdf
- TS PIK:
- 112128095
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01789_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 15 A
- Number of Poles:
- 1
- Mounting:
- Plug-On
- Series:
- THHQ
- Country of Origin:
- United States
MSRP $140.21Surplus $30.56 -
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GENERAL ELECTRIC THQB32020ST1 Miniature Circuit Breakers (MCBs) 3P 20A 240V
MSRP $1,705.71Surplus $383.83GENERAL ELECTRIC THQB32020ST1 Miniature Circuit Breakers (MCBs) 3P 20A 240V​ ARCA SKU: C15-4819 Brand: GENERAL ELECTRIC MPN: THQB32020ST1 UPC: 78316403405 Shipping Weight: 1.50 lbs. Shipping...- SKU:
- C15-4819
- Type:
- Thermal Magnetic
- Type:
- Compact
- Amps:
- 32 A
- Terminal Type:
- Bolt-On
- Short Description:
- 120 VAC, 20 A, 10 kA Interrupt, 3-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum Load Lug Terminal, 1" Bolt-On Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_37_CAT.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01799_1_CAD.pdf
- TS PIK:
- 121140884
- Current Rating:
- 20 A
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01799_1_CAD.pdf
- Number of Poles:
- 2
MSRP $1,705.71Surplus $383.83 -
GENERAL ELECTRIC THQB32030 Miniature Circuit Breakers (MCBs) 3P 30A 240V EA
MSRP $535.33Surplus $100.33SKU: C15-3538 Brand: GENERAL ELECTRIC MPN: THQB32030 UPC: 78316401241 Shipping Weight: 1.15 lbs. Shipping Height: 3.25 In. Shipping Length: 3.50 In. Shipping Width: 3...- SKU:
- C15-3538
- Amps:
- 30 A
- Terminal Type:
- Bolt-On
- Type:
- Thermal Magnetic
- Type:
- Compact
- Short Description:
- 240 VAC, 30 A, 10 kA, 3-Pole, 14 to 4 AWG Copper/12 to 4 AWG Aluminum, 1" Bolt-On Mount, Q-Line Frame, Molded Case, Non-Interchangeable/Common Trip, Compact, Fixed Thermal Magnetic, Circuit Breaker
- TS PIK:
- 112124775
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Current Rating:
- 30 A
- Mounting:
- Bolt-On
- Number of Poles:
- 3
- Series:
- THQ
- Country of Origin:
- United States
MSRP $535.33Surplus $100.33 -
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KLOCKNER-MOELLER EZ00 Circuit Breaker Accessories
MSRP $44.46Surplus $14.01SKU: C15-11956 Brand: KLOCKNER-MOELLER MPN: EZ00 UPC: Shipping Weight: 0.10 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11956
MSRP $44.46Surplus $14.01 -
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Leviton LB230-T Other Circuit Breakers
MSRP $31.50Surplus $7.91SKU: C15-11933 Brand: Leviton MPN: LB230-T UPC: Shipping Weight: 0.70 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In. Product...- SKU:
- C15-11933
- TS PIK:
- 36
- Country of Origin:
- CHN
MSRP $31.50Surplus $7.91 -
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Leviton LB250-T Other Circuit Breakers
MSRP $31.50Surplus $7.91SKU: C15-11934 Brand: Leviton MPN: LB250-T UPC: Shipping Weight: 0.70 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In. Product...- SKU:
- C15-11934
- TS PIK:
- 38
- Country of Origin:
- CHN
MSRP $31.50Surplus $7.91 -
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Murray MP260 Miniature Circuit Breakers (MCBs)
Surplus $39.36Murray MP260 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6301 Brand: Murray MPN: MP260 UPC: 04089251899 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6301
- TS PIK:
- 21029790
Surplus $39.36 -
Murray MP270 Miniature Circuit Breakers (MCBs) 2P 70A 120V
MSRP $401.86Surplus $66.79Murray MP270 Miniature Circuit Breakers (MCBs) 2P 70A 120V​ ARCA SKU: C15-6308 Brand: Murray MPN: MP270 UPC: 04089227980 Shipping Weight: 4.00 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6308
- TS PIK:
- 120071984
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Type:
- Common Trip
- Voltage Rating:
- 120/240 VAC
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SiemensAG_06636_1_DATA.pdf
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 2-Pole, Plug-In Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Used On:
- Loadcenter
- Size:
- 2 Inch W x 3 Inch D x 3 1/8 Inch H
- Series:
- MP-T
- Number of Poles:
- 2
- Current Rating:
- 70 A
- Terminal Type:
- Load Lug
- Wire Size:
- 8 to 2/0 AWG (Copper/Aluminum)
- Mounting:
- Plug-On
- Country of Origin:
- Mexico
MSRP $401.86Surplus $66.79 -
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Murray MP3100 Miniature Circuit Breakers (MCBs) EA
MSRP $1,038.94Surplus $72.79SKU: C15-6331 Brand: Murray MPN: MP3100 UPC: 04089223760 Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In. Shipping Length: 3.15 In. Shipping Width: 3.00 In...- SKU:
- C15-6331
- TS PIK:
- 21029187
- Short Description:
- 240 VAC, 100 A, 10 kA, 3-Pole, Plug-In Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Type:
- Common Trip
- Series:
- MP-T
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Current Rating:
- 100 A
- Used On:
- Loadcenter
- Voltage Rating:
- 240 VAC
- Wire Size:
- 8 to 2/0 AWG (Copper/Aluminum)
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Data Sheet:
- SiemensAG_06644_1_DATA.pdf
- Size:
- 3 Inch W x 3 Inch D x 3 1/8 Inch H
- Terminal Type:
- Load Lug
- Number of Poles:
- 3
- Country of Origin:
- Mexico
MSRP $1,038.94Surplus $72.79 -
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Siemens 3TX4001-2A Other Auxiliary/Shunt/Trip Units/UVRs EA
MSRP $35.38Surplus $6.37Siemens 3TX4001-2A Other Auxiliary/Shunt/Trip Units/UVRs EA​ ARCA SKU: A13-1518 Brand: Siemens MPN: 3TX4001-2A UPC: 75455420270 Shipping Weight: 0.05 lbs. Shipping Height: 2.00 In...- SKU:
- A13-1518
- TS PIK:
- 21229579
MSRP $35.38Surplus $6.37 -
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Siemens 3VA5222-5EC31-0AA0 Molded Case Breakers (MCCBs)
MSRP $4,391.55Surplus $1,197.69SKU: C15-11508 Brand: Siemens MPN: 3VA5222-5EC31-0AA0 UPC: 80476630828 Shipping Weight: 4.50 lbs. Shipping Height: 6.00 In. Shipping Length: 10.00 In. Shipping...- SKU:
- C15-11508
- TS PIK:
- 126815674
- Short Description:
- BRKR 3VA52 3P 225A 35kA FTAM
- Country of Origin:
- CZE
MSRP $4,391.55Surplus $1,197.69 -
Siemens B330 Miniature Circuit Breakers (MCBs)
MSRP $846.73Surplus $85.76SKU: C15-6229 Brand: Siemens MPN: B330 UPC: 78364326371 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-6229
- Interrupting Rating:
- 10 kA at 24 VAC
- Number of Poles:
- 3
- Type:
- Molded Case, Thermal and Fixed Magnetic, Branch, Common Trip
- Current Rating:
- 30 A
- Voltage Rating:
- 240 VAC
- Short Description:
- 240 VAC 50/60 Hz, 30 A, 10 kA, 3-Pole, BL Frame, Bolt-On, Molded Case, Thermal and Fixed Magnetic Trip, Common Trip, Panelboard Circuit Breaker
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Catalog:
- SiemensAG_01502_5_8_5_19_10_14_CAT.pdf
- Country of Origin:
- Mexico
- Installation:
- Bolt-On
- Approval:
- UL 489, CSA C22.2
- Application:
- Lighting, Distribution
MSRP $846.73Surplus $85.76 -
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Siemens ED41B020 Molded Case Breakers (MCCBs) 20A 277V
MSRP $739.19Surplus $204.13Siemens ED41B020 Molded Case Breakers (MCCBs) 20A 277V​ ARCA SKU: C15-6092 Brand: Siemens MPN: ED41B020 UPC: 78364320909 Shipping Weight: 3.90 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6092
- TS PIK:
- 115270815
- Terminal Type:
- Load Lug
- Series:
- ED4
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Maximum AC Voltage Rating:
- 277 V
- Short Description:
- 120/277 VAC 50/60 Hz, 125 VDC, 20 A at 40 Deg C, 22 kA, 1-Pole, 14 to 10 AWG Copper/12 to 10 AWG Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Voltage Rating:
- 120/277 VAC, 125 VDC
- Type:
- Molded Case, Thermal Magnetic
- Maximum DC Voltage Rating:
- 125 V
- Current Rating:
- 20 A
- Size:
- 1 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
- Frame Type:
- ED
- Number of Poles:
- 1
- Interrupting Rating:
- 65 kA at 120 VAC, 22 kA at 277 VAC, 30 kA at 125 VDC (UL 489)
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA
MSRP $739.19Surplus $204.13 -
Siemens ED62B100 Molded Case Breakers (MCCBs)
MSRP $1,207.42Surplus $684.48Siemens ED62B100 Molded Case Breakers (MCCBs)​ ARCA SKU: E30-8853 Brand: Siemens MPN: ED62B100 UPC: Shipping Weight: 2.80 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- E30-8853
MSRP $1,207.42Surplus $684.48 -
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Siemens FXD63B200L Molded Case Breakers (MCCBs)
MSRP $8,866.15Surplus $560.26SKU: C15-7389 Brand: Siemens MPN: FXD63B200L UPC: 78364300600 Shipping Weight: 9.30 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 7.00 In...- SKU:
- C15-7389
- TS PIK:
- 106247611
- Number of Poles:
- 3
- Frame Type:
- FD
- Interrupting Rating:
- 22 kA at 600 VAC, 18 kA at 500 VDC
- Current Rating:
- 200 A
- Type:
- Molded Case, Thermal Magnetic
- Installation/Operator:
- SiemensAG_00224_INST.pdf
- Series:
- FXD6-A
- Short Description:
- 600 VAC 50/60 Hz, 500 VDC, 200 A at 40 Deg C, 35 kA at 480 VAC, 3-Pole, 6 AWG to 350 MCM Copper/4 AWG to 350 MCM Aluminum, Line/Load Lug Terminal, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
- Catalog:
- SiemensAG_01698_17_78_17_82_17_110_17_111_CAT.pdf
- Voltage Rating:
- 600 VAC at 50/60 Hz, 500 VDC
- Size:
- 4.5 Inch W x 5.25 Inch D x 9.5 Inch H
- Maximum DC Voltage Rating:
- 500 V
- Maximum AC Voltage Rating:
- 600 V
- Terminal Type:
- Load and Line Lug
- Country of Origin:
- Mexico
- Approval:
- UL, CSA, CE, IEC
MSRP $8,866.15Surplus $560.26 -
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Siemens MBKFD3A Circuit Breaker Accessories 50/60Hz
MSRP $1,803.72Surplus $541.25SKU: C15-1426 Brand: Siemens MPN: MBKFD3A UPC: 887621579098 Shipping Weight: 3.60 lbs. Shipping Height: 4.50 In. Shipping Length: 14.00 In. Shipping Width: 8.50 In...- SKU:
- C15-1426
- Type:
- Mounting Kit
- Type:
- Main/Sub Feed
- Used On:
- 250 A 3- Phase FD6/FXD6/HFD6/HFXD6 Circuit Breaker
- Used On:
- Revised P1 Panelboard
- Short Description:
- Mounting Kit with Filler for 250 A 3-Phase FD6/FXD6/HFD6/HFXD6 Frame Revised P1 Interior Panelboard Main/Subfeed Circuit Breaker
- Data Sheet:
- SiemensAG_06480_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00417_INST.pdf
- Catalog:
- SiemensAG_00565_11_13_CAT.pdf
- Country of Origin:
- United States
MSRP $1,803.72Surplus $541.25 -
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Siemens MBKVAM3150A Molded Case Breakers (MCCBs)
MSRP $2,280.18Surplus $895.10SKU: C15-11970 Brand: Siemens MPN: MBKVAM3150A UPC: Shipping Weight: 9.85 lbs. Shipping Height: 10.00 In. Shipping Length: 16.00 In. Shipping Width: 10.00 In...- SKU:
- C15-11970
- Short Description:
- RP1 150A MB KIT, 35kA 3PH 3VA52
- Country of Origin:
- CZE
MSRP $2,280.18Surplus $895.10 -
Siemens NDTS Circuit Breaker Accessories
MSRP $148.07Surplus $135.57SKU: C15-12026 Brand: Siemens MPN: NDTS UPC: 783643012240 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-12026
- Short Description:
- End Barrier for SENTRON ND-Frame Molded Case Circuit Breaker
- Country of Origin:
- MEX
- Used On:
- Molded Case Circuit Breaker
- Installation/Operator:
- SiemensAG_00455_INST.pdf
- Catalog:
- SiemensAG_01698_17_97_17_98_17_101_CAT.pdf
- Type:
- End Barrier
MSRP $148.07Surplus $135.57 -
Siemens NGB1B020B Miniature Circuit Breakers (MCBs) 1P 20A 347V
MSRP $603.06Surplus $184.67Siemens NGB1B020B Miniature Circuit Breakers (MCBs) 1P 20A 347V​ ARCA SKU: C15-6217 Brand: Siemens MPN: NGB1B020B UPC: 78364341396 Shipping Weight: 0.85 lbs. Shipping Height: 2.00 In...- SKU:
- C15-6217
- TS PIK:
- 21367322
- Short Description:
- BREAKER NGB 1P 20A 347V 14KA LD LUG
- Number of Poles:
- 1
- Country of Origin:
- Mexico
MSRP $603.06Surplus $184.67 -
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Siemens NGB3B015 Molded Case Breakers (MCCBs) NGB 3P 15A 480V 50/60Hz 3Ph
MSRP $2,246.15Surplus $580.96SKU: C15-3441 Brand: Siemens MPN: NGB3B015 UPC: 783643553392 Shipping Weight: 2.15 lbs. Shipping Height: 3.00 In. Shipping Length: 5.00 In. Shipping Width: 4.00 In...- SKU:
- C15-3441
- Series:
- NGB
- Type:
- Branch
- Type:
- Molded Case
- Type:
- Thermal and Fixed Magnetic
- Approval:
- UL 489
- Volts:
- 240 VAC
- Volts:
- 480 Star/347 VAC
- Volts:
- 600 Star/347 VAC at 50/60 Hz (UL)
- Amps:
- 32 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Poles:
- 3
- Interrupting Rating:
- 100 kA at 240 VAC
- Interrupting Rating:
- 25 kA at 480 Star/347 VAC
- Interrupting Rating:
- 14 kA at 600 Star/347 VAC (UL)
- Application:
- Lighting
- Application:
- Distribution
- Installation:
- Bolt-On
- Short Description:
- 240/480/600/347 VAC 50/60 Hz, 125/250 VDC, 15 A, 100 kA, 3-Pole, Molded Case, Thermal Magnetic Trip Unit
- Catalog:
- SiemensAG_01830_1-5_CAT.pdf
MSRP $2,246.15Surplus $580.96
Disclaimer: ARCA Supply is not an authorized distributor, reseller or representative of any manufacturer, brand or product listed. All product names, trademarks, brands and logos are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder. All items sold by ARCA Supply are covered under ARCA Supply's warranty and not the manufacturer warranty.
