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 THHQB32070 Miniature Circuit Breakers (MCBs) THH 3P 70A 50/60Hz 3Ph EA
MSRP $736.13Surplus $154.50SKU: C15-5902 Brand: GE MPN: THHQB32070 UPC: 78316411864 Shipping Weight: 1.10 lbs. Shipping Height: 4.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In...- SKU:
- C15-5902
- Current Rating:
- 70 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 3
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_38_CAT.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01786_1_CAD.pdf
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Type:
- Thermal Magnetic, Compact
- Terminal Type:
- Bolt-On
- Short Description:
- 120/240 VAC, 70 A, 22 kA Interrupt, 3-Pole, 6 to 1/0 AWG Copper/4 to 1/0 AWG Aluminum Load Lug Terminal, 1" Bolt-On Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic, Miniature Molded Case Circuit Breaker
- Mounting:
- Bolt-On
MSRP $736.13Surplus $154.50 -
GE THHQC22030WL Miniature Circuit Breakers (MCBs) THH 2P 30A 50/60Hz 3Ph EA
MSRP $390.00Surplus $131.56GE THHQC22030WL Miniature Circuit Breakers (MCBs) THH 2P 30A 50/60Hz 3Ph EA​ ARCA SKU: C15-5954 Brand: GE MPN: THHQC22030WL UPC: 78316411801 Shipping Weight: 0.85 lbs. Shipping...- SKU:
- C15-5954
- Short Description:
- 240 VAC, 30 A, 22 kA, 2-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
- Type:
- Thermal Magnetic, Compact
- Current Rating:
- 30 A
- Terminal Type:
- Lug
- Number of Poles:
- 2
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_10480_6_4_6_6_6_36_CAT.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_04206_1_CAD.pdf
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Voltage Rating:
- 120/240 VAC
- Approval:
- UL
- Maximum AC Voltage Rating:
- 240 V
- Frame Type:
- Q-Line
MSRP $390.00Surplus $131.56 -
GE THHQL21100 Miniature Circuit Breakers (MCBs) EA
MSRP $407.00Surplus $139.41SKU: C15-10203 Brand: GE MPN: THHQL21100 UPC: 78316408774 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10203
- TS PIK:
- 112127522
- Type:
- Thermal Magnetic, Compact
- Short Description:
- 120/240 VAC, 100 A, 22 kA Interrupt, 2-Pole, 6 to 1/0 AWG Copper/4 to 1/0 AWG Aluminum Load Lug Terminal, 1" Plug-On Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic, Miniature Molded Case Circuit Breaker
- Current Rating:
- 100 A
- Number of Poles:
- 2
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01790_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_7_CAT.pdf
MSRP $407.00Surplus $139.41 -
GE THHQL2140 Miniature Circuit Breakers (MCBs) EA
MSRP $225.00Surplus $71.27SKU: C15-10205 Brand: GE MPN: THHQL2140 UPC: 78316409200 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10205
- TS PIK:
- 112127614
- Short Description:
- 120/240 VAC, 40 A, 22 kA Interrupt, 2-Pole, 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, Miniature Molded Case Circuit Breaker
- Number of Poles:
- 2
- Type:
- Thermal Magnetic, Compact
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_7_CAT.pdf
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01789_1_CAD.pdf
- Current Rating:
- 40 A
- Voltage Rating:
- 120/240 VAC
MSRP $225.00Surplus $71.27 -
GE THHQL2145 Miniature Circuit Breakers (MCBs)
MSRP $224.38Surplus $56.23SKU: C15-11509 Brand: GE MPN: THHQL2145 UPC: 78316409201 Shipping Weight: 0.65 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11509
- TS PIK:
- 112127615
- Voltage Rating:
- 120/240 VAC
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Type:
- Thermal Magnetic, Compact
- Current Rating:
- 45 A
- Terminal Type:
- Plug-On
- Short Description:
- 120/240 VAC, 45 A, 22 kA, 2-Pole, Copper/Aluminum Load Lug Terminal, Q-Line Frame, LI Trip Function, 1" Plug-On Mount, Molded Case, Fixed Thermal Magnetic, Compact, Internal Common/Non-Interchangeable Trip, Miniature Circuit Breaker
- Number of Poles:
- 2
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_12194_1_CAD.pdf
MSRP $224.38Surplus $56.23 -
GE THHQL2160 Miniature Circuit Breakers (MCBs) EA
MSRP $230.00Surplus $72.37SKU: C15-10206 Brand: GE MPN: THHQL2160 UPC: 78316409203 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10206
- TS PIK:
- 112127617
- Short Description:
- 120/240 VAC, 60 A, 22 kA Interrupt, 2-Pole, 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, Miniature Molded Case Circuit Breaker
- Type:
- Thermal Magnetic, Compact
- Voltage Rating:
- 120/240 VAC
- Terminal Type:
- Plug-On
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01793_1_CAD.pdf
- Current Rating:
- 60 A
- Number of Poles:
- 2
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_7_CAT.pdf
MSRP $230.00Surplus $72.37 -
GE THHQL32040 Miniature Circuit Breakers (MCBs)
MSRP $445.79Surplus $99.64GE THHQL32040 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-5908 Brand: GE MPN: THHQL32040 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-5908
- Type:
- Thermal Magnetic, Compact
- Terminal Type:
- Plug-On
- Current Rating:
- 40 A
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Number of Poles:
- 3
- Short Description:
- 120/240 VAC, 40 A, 22 kA, 3-Pole, 8 to 3 AWG, Q-Line Frame, Plug-In Terminal, Thermal Magnetic, Compact, Non-Interchangeable Circuit Breaker
- Voltage Rating:
- 120/240 VAC
- Mounting:
- Plug-On
MSRP $445.79Surplus $99.64 -
GE THN3361SS Molded Case Breakers (MCCBs)
MSRP $2,602.61Surplus $1,256.85SKU: S21-2152 Brand: GE MPN: THN3361SS UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- S21-2152
MSRP $2,602.61Surplus $1,256.85 -
GE THN3366 Molded Case Breakers (MCCBs) EA
MSRP $6,045.44Surplus $1,680.41SKU: E30-11654 Brand: GE MPN: THN3366 UPC: 703164133172 Shipping Weight: 110.00 lbs. Shipping Height: 44.00 In. Shipping Length: 26.00 In. Shipping Width: 14.00 In...- SKU:
- E30-11654
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_4_5_4_9_CAT.pdf
- Size:
- 42.6 Inch
- Type:
- Heavy Duty
- Short Description:
- 600 VAC, 250 VDC, 600 A, 500 HP, 3-Pole, 3-Wire, (2) 4 AWG to 500 KCMIL Aluminum/Copper, Non-Fusible, NEMA 1, Indoor, Heavy Duty, Safety Switch
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00496_1_CAD.pdf
- Number of Poles:
- 3
- Current Rating:
- 600 A
- Approval:
- UL, CSA, NEMA KS1
MSRP $6,045.44Surplus $1,680.41 -
GE THP100 Circuit Breaker Accessories Padlockable Handle Lock 1P EA
MSRP $47.00Surplus $5.24GE THP100 Circuit Breaker Accessories Padlockable Handle Lock 1P EA​ ARCA SKU: C15-3021 Brand: GE MPN: THP100 UPC: 783164011418 Shipping Weight: 0.10 lbs. Shipping Height: 1.00 In...- SKU:
- C15-3021
- Type:
- Padlocking
- Type:
- Snap-On
- Used On:
- THQL Circuit Breaker
- Short Description:
- 1-Phase, Padlockable
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_11_10_11_27_CAT.pdf
MSRP $47.00Surplus $5.24 -
GE THQB1120GFEP Miniature Circuit Breakers (MCBs)
MSRP $610.28Surplus $326.55SKU: C15-6018 Brand: GE MPN: THQB1120GFEP UPC: 78316406016 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-6018
- Current Rating:
- 20 A
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_36_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01797_1_CAD.pdf
- Terminal Type:
- Bolt-On
- Type:
- Thermal Magnetic, Compact
MSRP $610.28Surplus $326.55 -
GE THQB1125 Miniature Circuit Breakers (MCBs)
MSRP $53.66Surplus $24.56GE THQB1125 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6020 Brand: GE MPN: THQB1125 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00...- SKU:
- C15-6020
MSRP $53.66Surplus $24.56 -
GE THQB1130GFEP Miniature Circuit Breakers (MCBs)
Surplus $156.47SKU: C15-8390 Brand: GE MPN: THQB1130GFEP UPC: 78138150709 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-8390
- TS PIK:
- 21263391
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_36_CAT.pdf
- Type:
- Thermal Magnetic, Compact
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01797_1_CAD.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00004_INST.pdf
- Current Rating:
- 30 A
- Terminal Type:
- Bolt-On
Surplus $156.47 -
GE THQB1130GFT Miniature Circuit Breakers (MCBs) THQB 1P 30A 50/60Hz 1Ph EA
MSRP $391.55Surplus $115.71SKU: C15-5957 Brand: GE MPN: THQB1130GFT UPC: 78316448549 Shipping Weight: 0.50 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 5.00 In...- SKU:
- C15-5957
- Type:
- Thermal Magnetic, Compact
- Short Description:
- 30 A, Bolt-On Terminal, Thermal Magnetic, Compact, Non-Interchangeable Circuit Breaker
- Current Rating:
- 30 A
- Terminal Type:
- Bolt-On
MSRP $391.55Surplus $115.71 -
GE THQB21100 Miniature Circuit Breakers (MCBs) EA
MSRP $323.38Surplus $86.41GE THQB21100 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-6022 Brand: GE MPN: THQB21100 UPC: 78316413574 Shipping Weight: 0.75 lbs. Shipping Height: 3.40 In. Shipping...- SKU:
- C15-6022
- TS PIK:
- 112128611
- Type:
- Thermal Magnetic, Compact
- Terminal Type:
- Bolt-On
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- Short Description:
- 120/240 VAC, 100 A, 10 kA, 2-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
- Current Rating:
- 100 A
- Mounting:
- Bolt-On
- Number of Poles:
- 2
MSRP $323.38Surplus $86.41 -
GE THQB21100ST1 Miniature Circuit Breakers (MCBs) EA
MSRP $700.00Surplus $261.80SKU: C15-10217 Brand: GE MPN: THQB21100ST1 UPC: 78316403363 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10217
- TS PIK:
- 112125500
- Terminal Type:
- Bolt-On
- Short Description:
- 120 VAC, 100 A, 2-Pole, 10 kA, 1" Bolt-On Mount, Fixed Thermal Magnetic, Molded Case, Q-Line Circuit Breaker
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_04203_1_CAD.pdf
- Current Rating:
- 100 A
- Type:
- Thermal Magnetic, Compact
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01912_6_8_6_37_CAT.pdf
MSRP $700.00Surplus $261.80 -
GE THQB2120GFT Miniature Circuit Breakers (MCBs) EA
MSRP $767.00Surplus $342.28SKU: C15-10221 Brand: GE MPN: THQB2120GFT UPC: 78316448555 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10221
- TS PIK:
- 126205055
- Short Description:
- 20 A, Bolt-On Terminal, Thermal Magnetic, Compact, Non-Interchangeable Circuit Breaker
- Current Rating:
- 20 A
- Terminal Type:
- Bolt-On
- Type:
- Thermal Magnetic, Compact
MSRP $767.00Surplus $342.28 -
GE THQB2130GF Miniature Circuit Breakers (MCBs)
MSRP $675.85Surplus $237.13SKU: C15-5809 Brand: GE MPN: THQB2130GF UPC: 78316440004 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-5809
- Terminal Type:
- Bolt-On
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_04204_1_CAD.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00124_INST.pdf
- Type:
- Thermal Magnetic, Compact
- Current Rating:
- 30 A
- Short Description:
- 120/240 VAC, 30 A, 2-Pole, 10 kA, 14 to 8 AWG Copper, 12 to 8 AWG Aluminum, Bolt-On Mount, Molded Case, Thermal Magnetic, Self-Test, Ground Fault Circuit Breaker
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01912_6_36_CAT.pdf
MSRP $675.85Surplus $237.13 -
GE THQB2130ST1 Miniature Circuit Breakers (MCBs) EA
MSRP $370.00Surplus $87.20GE THQB2130ST1 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: U00-1537 Brand: GE MPN: THQB2130ST1 UPC: 783164033724 Shipping Weight: 1.05 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- U00-1537
- Amps:
- 30 A
- Terminal Type:
- Bolt-On
- Type:
- Thermal Magnetic
- Type:
- Compact
- Short Description:
- 120 VAC, 30 A, 10 kA
- Specification/Technical:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01339_1_2_SPEC.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01799_1_CAD.pdf
- TS PIK:
- 115174089
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_37_CAT.pdf
- Current Rating:
- 30 A
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01799_1_CAD.pdf
- Number of Poles:
- 2
MSRP $370.00Surplus $87.20 -
GE THQB2140 Miniature Circuit Breakers (MCBs) THQB 2P 40A 50/60Hz 3Ph EA
MSRP $126.75Surplus $29.71GE THQB2140 Miniature Circuit Breakers (MCBs) THQB 2P 40A 50/60Hz 3Ph EA​ ARCA SKU: C15-6026 Brand: GE MPN: THQB2140 UPC: 78316401226 Shipping Weight: 0.75 lbs. Shipping Height: 3.00...- SKU:
- C15-6026
- TS PIK:
- 112520433
- Short Description:
- 120/240 VAC, 40 A, 10 kA, 2-Pole, 8 to 3 AWG Copper/Aluminum, 1" Bolt-On Mount, Q-Line Frame, Molded Case, Non-Interchangeable/Common Trip, Compact, Fixed Thermal Magnetic, Circuit Breaker
- Current Rating:
- 40 A
- Terminal Type:
- Bolt-On
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Type:
- Thermal Magnetic, Compact
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- Number of Poles:
- 2
MSRP $126.75Surplus $29.71