Circuit Breakers
Circuit Breakers - Source rare and hard-to-find breakers with ease
At ARCA Supply, we know that circuit breakers are essential to safeguarding electrical systems, protecting them from overloads and short circuits. Whether you're managing a commercial facility, maintaining industrial equipment, or working on residential projects, having the right circuit breakers ensures uninterrupted performance and peace of mind.
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.
Explore Our Circuit Breaker Categories:
- Air Circuit Breakers (ACBs): Ideal for large-scale industrial applications, ACBs provide superior protection in high-current scenarios.
- Din Rail Mounted Circuit Breakers: These breakers are designed for quick installation in compact spaces, making them perfect for modular setups.
- Main Breakers: As a crucial part of any electrical system, main breakers ensure that circuits are effectively managed and protected from faults.
- Miniature Circuit Breakers (MCBs): Designed for residential and commercial use, MCBs are essential for protecting lower power circuits from damage.
- Molded Case Breakers (MCCBs): When high current protection is needed, MCCBs offer robust and durable performance.
- Motor Circuit Protectors (MCPs): Specifically engineered to protect motors, MCPs offer fast response times to prevent equipment damage.
- Circuit Breaker Accessories: From trip units to mounting kits, we stock a variety of accessories to enhance the functionality of your breakers.
Leading Brands We Carry:
At ARCA Supply, we carry a comprehensive lineup of top brands to ensure you get the best quality and reliability. Our inventory includes trusted names such as Eaton, Square D, Siemens, and General Electric. With over 2,600 Eaton products and hundreds from brands like ABB, Schneider Electric, and Leviton, you can be confident in finding exactly what you need.
Choose the Right Circuit Breaker:
When selecting a circuit breaker, factors such as current rating, voltage rating, and mounting style are critical. Our range includes options for:
- Current Ratings: From 15A to 600A, ensuring the right protection for every application.
- Voltage Ratings: With options ranging from 120V to 600V for both AC and DC applications.
- Mounting Types: Choose from plug-on, DIN rail, or bolt-on mountings to match your installation requirements.
Why Choose ARCA Supply?
As a trusted distributor specializing in hard-to-find electrical components, we ensure that our circuit breakers meet the highest industry standards. Our commitment to the circular economy also means that unsold products are responsibly recycled, helping to reduce waste while supporting your projects.
Explore our extensive collection of circuit breakers today and find the perfect solution for your electrical system’s needs.
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Air Circuit Breakers (ACBs)
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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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Circuit Breaker Accessories
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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GE THQB2150ST1 Miniature Circuit Breakers (MCBs)
MSRP $393.25Surplus $192.51SKU: C15-6029 Brand: GE MPN: THQB2150ST1 UPC: 78316403377 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-6029
- Current Rating:
- 50 A
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_35_CAT.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01799_1_CAD.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00025_INST.pdf
- Terminal Type:
- Bolt-On
- Type:
- Thermal Magnetic, Compact
MSRP $393.25Surplus $192.51 -
GE THQB32025 Miniature Circuit Breakers (MCBs) EA
MSRP $406.00Surplus $99.75SKU: C15-10224 Brand: GE MPN: THQB32025 UPC: 78316405991 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10224
- TS PIK:
- 112126171
- Type:
- Thermal Magnetic, Compact
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- Current Rating:
- 25 A
- Terminal Type:
- Bolt-On
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Short Description:
- 240 VAC, 25 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
MSRP $406.00Surplus $99.75 -
GE THQB32040ST1 Molded Case Breakers (MCCBs) EA
MSRP $659.75Surplus $123.75SKU: C15-9337 Brand: GE MPN: THQB32040ST1 UPC: 78316403411 Shipping Weight: 1.50 lbs. Shipping Height: 3.30 In. Shipping Length: 3.50 In. Shipping Width: 4.00 In...- SKU:
- C15-9337
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01912_6_8_6_37_CAT.pdf
- Short Description:
- 120 VAC, 40 A, 3-Pole, 10 kA, 1" Bolt-On Mount, Fixed Thermal Magnetic, Molded Case, Q-Line Circuit Breaker
- Current Rating:
- 40 A
- Terminal Type:
- Bolt-On
- Type:
- Thermal Magnetic, Compact
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_04203_1_CAD.pdf
MSRP $659.75Surplus $123.75 -
GE THQB32050ST1 Shunt Trips
MSRP $622.40Surplus $238.07SKU: A13-1395 Brand: GE MPN: THQB32050ST1 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- A13-1395
MSRP $622.40Surplus $238.07 -
GE THQB32060ST1 Miniature Circuit Breakers (MCBs) EA
MSRP $700.00Surplus $238.07SKU: C15-10225 Brand: GE MPN: THQB32060ST1 UPC: 78316403416 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10225
- TS PIK:
- 112125507
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01912_6_8_6_37_CAT.pdf
- Type:
- Thermal Magnetic, Compact
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_04203_1_CAD.pdf
- Terminal Type:
- Bolt-On
- Current Rating:
- 60 A
- Short Description:
- 120 VAC, 60 A, 3-Pole, 10 kA, 1" Bolt-On Mount, Fixed Thermal Magnetic, Molded Case, Q-Line Circuit Breaker
MSRP $700.00Surplus $238.07 -
GE THQB32100 Miniature Circuit Breakers (MCBs) 3P 100A 240V EA
MSRP $560.63Surplus $130.34GE THQB32100 Miniature Circuit Breakers (MCBs) 3P 100A 240V EA​ ARCA SKU: C15-5964 Brand: GE MPN: THQB32100 UPC: 78316401247 Shipping Weight: 1.10 lbs. Shipping Height: 3.25 In...- SKU:
- C15-5964
- TS PIK:
- 121971929
- Terminal Type:
- Bolt-On
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- Current Rating:
- 100 A
- Short Description:
- 240 VAC, 100 A, 10 kA, 3-Pole, 6 to 1/0 AWG Copper/4 to 1/0 AWG Aluminum, 1" Bolt-On Mount, Q-Line Frame, Molded Case, Non-Interchangeable/Common Trip, Compact, Fixed Thermal Magnetic, Circuit Breaker
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Type:
- Thermal Magnetic, Compact
MSRP $560.63Surplus $130.34 -
GE THQC32040WL Din Rail Mounted Circuit Breakers EA
MSRP $450.00Surplus $142.46SKU: C15-10232 Brand: GE MPN: THQC32040WL UPC: 78316401274 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10232
- TS PIK:
- 112124805
- Country of Origin:
- United States
- Terminal Type:
- Lug
- Short Description:
- 120/240 VAC, 40 A, 3-Pole, 10 kA, 8 to 3 AWG Copper/Aluminum, DIN Rail Mount, Line and Load Lug Terminal, Thermal Magnetic, Non-Interchangeable, Molded Case Circuit Breaker
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Current Rating:
- 40 A
- Approval:
- UL
- Number of Poles:
- 3
- Voltage Rating:
- 120/240 VAC
- Type:
- Thermal Magnetic, Compact
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_04206_1_CAD.pdf
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01912_6_40_CAT.pdf
- Maximum AC Voltage Rating:
- 240 V
- Frame Type:
- Q-Line
MSRP $450.00Surplus $142.46 -
GE THQC32045WL Din Rail Mounted Circuit Breakers EA
MSRP $406.00Surplus $125.66SKU: C15-10233 Brand: GE MPN: THQC32045WL UPC: 78316406020 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10233
- TS PIK:
- 112126193
- Country of Origin:
- United States
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Type:
- Thermal Magnetic, Compact
- Approval:
- UL
- Current Rating:
- 45 A
- Short Description:
- 240 VAC, 45 A, 10 kA, 3-Pole, Copper/Aluminum Line and Load Lug Terminal, Q-Line Frame, LI Trip Function, 35 MM DIN Rail Mount, Molded Case, Fixed Thermal Magnetic, Compact, Internal Common/Non-Interchangeable Trip, Miniature Circuit Breaker
- Voltage Rating:
- 120/240 VAC
- Terminal Type:
- Lug
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_10480_6_4_6_6_6_36_CAT.pdf
- Number of Poles:
- 3
- Maximum AC Voltage Rating:
- 240 V
- Frame Type:
- Q-Line
MSRP $406.00Surplus $125.66 -
GE THQD32100WL Miniature Circuit Breakers (MCBs)
Surplus $1,329.41SKU: C15-8391 Brand: GE MPN: THQD32100WL UPC: 78312613710 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-8391
- TS PIK:
- 21332185
- Voltage Rating:
- 120/240 VAC
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Current Rating:
- 100 A
- Terminal Type:
- Copper/Aluminum Line and Load Lug
- Type:
- Thermal Magnetic
- Short Description:
- 240 VAC, 100 A, 22 kA Interrupt, 3-Pole, Aluminum/Copper Line/Load Lug Terminal, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Fixed Thermal Magnetic, Cable-In Cable-Out, Miniature Molded Case Circuit Breaker
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01805_1_CAD.pdf
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_42_CAT.pdf
- Number of Poles:
- 3
Surplus $1,329.41 -
GE THQL1120AF2 Miniature Circuit Breakers (MCBs) THQL 1P 20A 50/60Hz 1Ph EA
MSRP $285.36Surplus $152.94GE THQL1120AF2 Miniature Circuit Breakers (MCBs) THQL 1P 20A 50/60Hz 1Ph EA​ ARCA SKU: C15-5981 Brand: GE MPN: THQL1120AF2 UPC: 783164652819 Shipping Weight: 0.45 lbs. Shipping...- SKU:
- C15-5981
- TS PIK:
- 121913504
- Type:
- Thermal Magnetic, Compact
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, 14 to 10 AWG Copper/Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Non-Interchangeable Trip, Compact, Fixed Thermal Magnetic, Arc Fault, Circuit Breaker
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00500_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 20 A
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- Number of Poles:
- 1
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_31_CAT.pdf
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- Mounting:
- Plug-On
MSRP $285.36Surplus $152.94 -
GE THQL1120AFP2 Miniature Circuit Breakers (MCBs)
MSRP $75.00Surplus $41.81SKU: U00-9882 Brand: GE MPN: THQL1120AFP2 UPC: 78316465283 Shipping Weight: 0.50 lbs. Shipping Height: 2.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In...- SKU:
- U00-9882
MSRP $75.00Surplus $41.81 -
GE THQL1120GFT Miniature Circuit Breakers (MCBs) 120V EA
MSRP $309.40Surplus $133.18GE THQL1120GFT Miniature Circuit Breakers (MCBs) 120V EA​ ARCA SKU: C15-6043 Brand: GE MPN: THQL1120GFT UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6043
- TS PIK:
- 126205043
- Type:
- Compact
- Current Rating:
- 20 A
- Voltage Rating:
- 120/240 VAC
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Plug-On Mount, Box Terminal, Q-Line Frame, Molded Case, Common Trip, Compact, Fixed Thermal Magnetic, Ground Fault, Self-Test, Circuit Breaker
- Terminal Type:
- Plug-On
- Interrupting Rating:
- 10 kA at 120 VAC
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_32_CAT.pdf
- Number of Poles:
- 1
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
MSRP $309.40Surplus $133.18 -
GE THQL1120PDF Miniature Circuit Breakers (MCBs) EA
MSRP $400.00Surplus $126.00SKU: C15-10241 Brand: GE MPN: THQL1120PDF UPC: 78316464007 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10241
- TS PIK:
- 128996954
MSRP $400.00Surplus $126.00 -
GE THQL1140 Miniature Circuit Breakers (MCBs) THQL 1P 40A 50/60Hz 1Ph EA
MSRP $52.82Surplus $20.05GE THQL1140 Miniature Circuit Breakers (MCBs) THQL 1P 40A 50/60Hz 1Ph EA​ ARCA SKU: C15-7010 Brand: GE MPN: THQL1140 UPC: 30783164012881 Shipping Weight: 1.20 lbs. Shipping Height: 1...- SKU:
- C15-7010
- TS PIK:
- 555076
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01789_1_CAD.pdf
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_7_CAT.pdf
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- Type:
- Thermal Magnetic, Compact
- Current Rating:
- 40 A
- Terminal Type:
- Plug-On
- Short Description:
- 120/240 VAC, 40 A, 10 kA Interrupt, 1-Pole, (1) 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Plug-In Mount, Q-Line Frame, Non-Interchangeable Trip, Compact, Fixed Thermal Magnetic, Feeder Molded Case Circuit Breaker
- Mounting:
- Plug-On
- Approval:
- UL
- Maximum AC Voltage Rating:
- 240 V
MSRP $52.82Surplus $20.05 -
GE THQL1150 Miniature Circuit Breakers (MCBs) THQL 1P 50A 50/60Hz 1Ph EA
MSRP $53.82Surplus $9.62GE THQL1150 Miniature Circuit Breakers (MCBs) THQL 1P 50A 50/60Hz 1Ph EA​ ARCA SKU: C15-7011 Brand: GE MPN: THQL1150 UPC: 78316401289 Shipping Weight: 1.50 lbs. Shipping Height: 1.00...- SKU:
- C15-7011
- TS PIK:
- 555077
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- Voltage Rating:
- 120/240 VAC
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_30_CAT.pdf
- Terminal Type:
- Plug-On
- Current Rating:
- 50 A
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 1-Pole, 8 to 3 AWG Copper/Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Compact, Fixed Thermal Magnetic, Circuit Breaker
- Number of Poles:
- 1
- Type:
- Thermal Magnetic, Compact
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Mounting:
- Plug-On
MSRP $53.82Surplus $9.62 -
GE THQL21100ST1 Miniature Circuit Breakers (MCBs) EA
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
MSRP $500.00Surplus $203.42 -
GE THQL2115GFT Miniature Circuit Breakers (MCBs) EA
MSRP $580.00Surplus $323.06SKU: C15-10246 Brand: GE MPN: THQL2115GFT UPC: 78316448533 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10246
- TS PIK:
- 126205046
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Type:
- Compact
- Terminal Type:
- Plug-On
- Current Rating:
- 15 A
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Short Description:
- 120/240 VAC, 15 A, 10 kA, 2-Pole, Q-Line Frame, Plug-On Terminal, Compact, Non-Interchangeable Circuit Breaker
MSRP $580.00Surplus $323.06 -
GE THQL2115ST1 Miniature Circuit Breakers (MCBs) EA
MSRP $400.00Surplus $207.41SKU: C15-10247 Brand: GE MPN: THQL2115ST1 UPC: 78316441905 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10247
- TS PIK:
- 122625238
- Current Rating:
- 15 A
- Short Description:
- 120/240 VAC, 15 A, 2-Pole, 10 kA, 14 to 8 AWG/12 to 8 AWG Copper/Aluminum, Plug-On Mount, Box Terminal, Bulk Pack, Thermal Magnetic, Molded Case Circuit Breaker with Shunt Trip
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01912_1_10_6_29_6_31_CAT.pdf
MSRP $400.00Surplus $207.41 -
GE THQL2140GFT Miniature Circuit Breakers (MCBs) 2P 40A
MSRP $1,251.52Surplus $612.60SKU: C15-7373 Brand: GE MPN: THQL2140GFT UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7373
- Short Description:
- 120/240 VAC, 40 A, 10 kA, 2-Pole, 8 to 3 AWG Copper/Aluminum, 1" Plug-On Mount, Box Terminal, Q-Line Frame, Molded Case, Common Trip, Compact, Fixed Thermal Magnetic, Ground Fault, Self-Test, Circuit Breaker
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 40 A
- Type:
- Thermal Magnetic, Compact
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Number of Poles:
- 2
- Terminal Type:
- Plug-On
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_32_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
MSRP $1,251.52Surplus $612.60 -
GE THQL2145 Miniature Circuit Breakers (MCBs)
MSRP $89.15Surplus $25.45GE THQL2145 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6050 Brand: GE MPN: THQL2145 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00...- SKU:
- C15-6050
- Current Rating:
- 45 A
- Voltage Rating:
- 120/240 VAC
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01789_1_CAD.pdf
- Terminal Type:
- Plug-On
- Short Description:
- 120/240 VAC, 45 A, 10 kA Interrupt, 2-Pole, (1) 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Plug-On Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic, Feeder Molded Case Circuit Breaker
- Number of Poles:
- 2
- Type:
- Thermal Magnetic, Compact
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_30_CAT.pdf
MSRP $89.15Surplus $25.45