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.
-
Air Circuit Breakers (ACBs)
-
Din Rail Mounted Circuit Breakers
-
Main Breakers
-
Miniature Circuit Breakers (MCBs)
-
Molded Case Breakers (MCCBs)
-
Motor Circuit Protector (MCPs)
-
Circuit Breaker Accessories
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
GENERAL ELECTRIC THQL32040 Miniature Circuit Breakers (MCBs) 3P 40A 240V
MSRP $294.93Surplus $45.91GENERAL ELECTRIC THQL32040 Miniature Circuit Breakers (MCBs) 3P 40A 240V​ ARCA SKU: C15-5935 Brand: GENERAL ELECTRIC MPN: THQL32040 UPC: 78316401303 Shipping Weight: 1.10 lbs. Shipping...- SKU:
- C15-5935
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_31_CAT.pdf
- Short Description:
- 240 VAC, 40 A, 10 kA, 3-Pole, 8 to 3 AWG Copper/Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic, Circuit Breaker
- Current Rating:
- 40 A
- Number of Poles:
- 3
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- Voltage Rating:
- 120/240 VAC
- Type:
- Thermal Magnetic, Compact
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- Mounting:
- Plug-On
MSRP $294.93Surplus $45.91 -
GENERAL ELECTRIC THQL32050 Miniature Circuit Breakers (MCBs) EA
MSRP $294.93Surplus $64.80GENERAL ELECTRIC THQL32050 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-5836 Brand: GENERAL ELECTRIC MPN: THQL32050 UPC: 78316401304 Shipping Weight: 1.05 lbs. Shipping...- SKU:
- C15-5836
- Number of Poles:
- 3
- Current Rating:
- 50 A
- Terminal Type:
- Plug-On
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_31_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- Type:
- Thermal Magnetic, Compact
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, 8 to 3 AWG Copper/Aluminum, 1" Plug-On Mount, Box Terminal, Q-Line Frame, Molded Case, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic, Circuit Breaker
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
MSRP $294.93Surplus $64.80 -
GENERAL ELECTRIC THQL32100 Miniature Circuit Breakers (MCBs) EA
MSRP $437.31Surplus $161.22GENERAL ELECTRIC THQL32100 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-6054 Brand: GENERAL ELECTRIC MPN: THQL32100 UPC: 78316401216 Shipping Weight: 1.05 lbs. Shipping...- SKU:
- C15-6054
- Terminal Type:
- Plug-On
- Voltage Rating:
- 120/240 VAC
- Short Description:
- 240 VAC, 100 A, 10 kA, 3-Pole, 6 to 1/0 AWG Copper/4 to 1/0 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic, Circuit Breaker
- Type:
- Thermal Magnetic, Compact
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
- Number of Poles:
- 3
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_31_CAT.pdf
- Current Rating:
- 100 A
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Mounting:
- Plug-On
MSRP $437.31Surplus $161.22 -
GENERAL ELECTRIC THQMV125D Circuit Breaker Accessories 125A
MSRP $459.98Surplus $174.59GENERAL ELECTRIC THQMV125D Circuit Breaker Accessories 125A​ ARCA SKU: C15-5940 Brand: GENERAL ELECTRIC MPN: THQMV125D UPC: 78316434191 Shipping Weight: 1.90 lbs. Shipping Height: 5...- SKU:
- C15-5940
- Used On:
- Load Center
- Short Description:
- 125 A, 22 kA, Main Circuit Breaker Kit with Mounting Base for 150/200/225 A Convertible Load Center
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00022_1_1_1_2_1_6_CAT.pdf
MSRP $459.98Surplus $174.59 -
GENERAL ELECTRIC THQP120 Miniature Circuit Breakers (MCBs) 1P 20A 120V
MSRP $44.00Surplus $14.99GENERAL ELECTRIC THQP120 Miniature Circuit Breakers (MCBs) 1P 20A 120V​ ARCA SKU: C15-4101 Brand: GENERAL ELECTRIC MPN: THQP120 UPC: 78316408568 Shipping Weight: 0.20 lbs. Shipping...- SKU:
- C15-4101
- Type:
- Thermal Magnetic
- Approval:
- UL
- Size:
- 1/2 Inch Width
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 Volt
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1/2" Plug-In Mount, Box Terminal, Q-Line Frame, Non-Interchangeable Trip
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_30_CAT.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00472_1_CAD.pdf
- TS PIK:
- 115394462
- Current Rating:
- 20 A
- Number of Poles:
- 1
- Voltage Rating:
- 120/240 VAC
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00472_1_CAD.pdf
- Mounting:
- Plug-On
MSRP $44.00Surplus $14.99 -
GENERAL ELECTRIC THQP140 Miniature Circuit Breakers (MCBs)
MSRP $53.82Surplus $10.91GENERAL ELECTRIC THQP140 Miniature Circuit Breakers (MCBs)​ ARCA SKU: E30-8048 Brand: GENERAL ELECTRIC MPN: THQP140 UPC: 78316413445 Shipping Weight: 0.20 lbs. Shipping Height: 1.00...- SKU:
- E30-8048
- Current Rating:
- 40 A
- Size:
- 1/2 Inch Width
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- Number of Poles:
- 1
- Voltage Rating:
- 120/240 VAC
- Type:
- Thermal Magnetic
- Short Description:
- 120/240 VAC, 40 A, 10 kA, 1-Pole, 8 to 4 AWG/8 to 4 AWG, Q-Line Frame, Plug-In Terminal, Thermal Magnetic, Non-Interchangeable Circuit Breaker
- Mounting:
- Plug-On
MSRP $53.82Surplus $10.91 -
GENERAL ELECTRIC THQP250 Miniature Circuit Breakers (MCBs) 2P 50A 120V EA
MSRP $100.00Surplus $19.21GENERAL ELECTRIC THQP250 Miniature Circuit Breakers (MCBs) 2P 50A 120V EA​ ARCA SKU: C15-2983 Brand: GENERAL ELECTRIC MPN: THQP250 UPC: 78316408577 Shipping Weight: 0.40 lbs. Shipping...- SKU:
- C15-2983
- Type:
- Thermal Magnetic
- Approval:
- UL
- Size:
- 1/2 Inch Width
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 Volt
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 2-Pole, 8 to 4 AWG Copper/Aluminum, 1/2" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Internal Common Trip, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_30_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00012_INST.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00472_1_CAD.pdf
- TS PIK:
- 112127468
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00472_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Current Rating:
- 50 A
- Mounting:
- Plug-On
- Series:
- THQ
MSRP $100.00Surplus $19.21 -
GENERAL ELECTRIC TJD432300 Molded Case Breakers (MCCBs)
MSRP $10,508.00Surplus $820.91SKU: C15-7012 Brand: GENERAL ELECTRIC MPN: TJD432300 UPC: 78316409301 Shipping Weight: 17.75 lbs. Shipping Height: 4.00 In. Shipping Length: 11.00 In. Shipping...- SKU:
- C15-7012
- TS PIK:
- 120072636
MSRP $10,508.00Surplus $820.91 -
GENERAL ELECTRIC TJJ436175 Molded Case Breakers (MCCBs)
MSRP $4,000.00Surplus $570.16SKU: C15-7013 Brand: GENERAL ELECTRIC MPN: TJJ436175 UPC: Shipping Weight: 18.15 lbs. Shipping Height: 4.00 In. Shipping Length: 11.00 In. Shipping Width: 9.00 In...- SKU:
- C15-7013
- Number of Poles:
- 4
MSRP $4,000.00Surplus $570.16 -
GENERAL ELECTRIC TJK436F000 Molded Case Breakers (MCCBs)
MSRP $12,893.00Surplus $1,075.88SKU: C15-7014 Brand: GENERAL ELECTRIC MPN: TJK436F000 UPC: 78316401376 Shipping Weight: 16.15 lbs. Shipping Height: 4.00 In. Shipping Length: 11.00 In. Shipping...- SKU:
- C15-7014
- TS PIK:
- 120072641
- Voltage Rating:
- 120/240/277/480/600 VAC, 125/250/500 VDC
- Number of Poles:
- 3
- Frame Type:
- J600
- Short Description:
- 600 VAC, 400 A, 42 kA, 3-Pole, Line/Load Terminal, Thermal Magnetic, Interchangeable, J600, Molded Case Circuit Breaker Frame
- Maximum DC Voltage Rating:
- 500 V
- Type:
- Thermal Magnetic
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00028_INST.pdf
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00547_6_2_6_36_CAT.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01796_1_CAD.pdf
- Maximum AC Voltage Rating:
- 600 V
- Current Rating:
- 125/150/175/200/225/250/300/350/400 A
- Interrupting Rating:
- 22 kA at 600 VAC, 30 kA at 277/480 VAC, 42 kA at 120/240 VAC, 20 kA at 125/250/500 VDC
MSRP $12,893.00Surplus $1,075.88 -
GENERAL ELECTRIC TJK626Y600 Molded Case Breakers (MCCBs)
MSRP $3,131.11Surplus $709.90SKU: C15-7015 Brand: GENERAL ELECTRIC MPN: TJK626Y600 UPC: 78316405068 Shipping Weight: 17.55 lbs. Shipping Height: 60.00 In. Shipping Length: 11.00 In. Shipping...- SKU:
- C15-7015
- TS PIK:
- 120072454
MSRP $3,131.11Surplus $709.90 -
GENERAL ELECTRIC TNI100 Circuit Breaker Accessories EA
MSRP $223.35Surplus $64.17GENERAL ELECTRIC TNI100 Circuit Breaker Accessories EA​ ARCA SKU: C15-8763 Brand: GENERAL ELECTRIC MPN: TNI100 UPC: 78316409063 Shipping Weight: 0.40 lbs. Shipping Height: 2.00 In...- SKU:
- C15-8763
- Short Description:
- 100 A, 3-Pole, 4-Wire, 14 to 1/0 AWG Copper, 12 to 1/0 AWG Aluminum, Insulated Groundable, Neutral Kit for THED/TED/TEB Circuit Breaker Enclosure
- Used On:
- Circuit Breaker Enclosure
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01912_7_9_7_10_CAT.pdf
MSRP $223.35Surplus $64.17 -
GENERAL ELECTRIC TNIA225 Circuit Breaker Accessories
MSRP $202.35Surplus $100.99SKU: E30-7981 Brand: GENERAL ELECTRIC MPN: TNIA225 UPC: 78316401883 Shipping Weight: 0.55 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 5...- SKU:
- E30-7981
- Short Description:
- 125 A, 3-Pole, 1 AWG to 300 KCMIL Copper/Aluminum, NEMA 1, Insulated Groundable, Circuit Breaker Neutral
- Used On:
- Circuit Breaker Enclosure
- Type:
- Insulated Groundable Neutral
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00021_10-12_CAT.pdf
MSRP $202.35Surplus $100.99 -
GENERAL ELECTRIC TQCFMP1 Circuit Breaker Accessories EA
MSRP $20.23Surplus $8.10GENERAL ELECTRIC TQCFMP1 Circuit Breaker Accessories EA​ ARCA SKU: C15-8776 Brand: GENERAL ELECTRIC MPN: TQCFMP1 UPC: 783164021004 Shipping Weight: 0.10 lbs. Shipping Height: 1.00 In...- SKU:
- C15-8776
- Short Description:
- 1-Pole, Front Mounting Plate for THQC Q-Line Molded Case Circuit Breaker
- Used On:
- THQB/THQC 240 V Q-Line Molded Case Circuit Breaker
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_45_CAT.pdf
- Type:
- Mounting Plate, Front
MSRP $20.23Surplus $8.10 -
GENERAL ELECTRIC TSRG201 Other Circuit Breakers EA
MSRP $1,215.56Surplus $110.48SKU: C15-8995 Brand: GENERAL ELECTRIC MPN: TSRG201 UPC: Shipping Weight: 2.70 lbs. Shipping Height: 3.00 In. Shipping Length: 8.00 In. Shipping Width: 4.00 In...- SKU:
- C15-8995
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_193_6_220_CAT.pdf
- Used On:
- Spectra J/SG Series Molded Case Circuit Breaker
- Short Description:
- 150 A, Neutral Current Sensor for Spectra J/SG Series Molded Case Circuit Breaker
- Type:
- Neutral
MSRP $1,215.56Surplus $110.48 -
GENERAL ELECTRIC TXQB1120 Miniature Circuit Breakers (MCBs)
MSRP $350.00Surplus $91.95GENERAL ELECTRIC TXQB1120 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-3614 Brand: GENERAL ELECTRIC MPN: TXQB1120 UPC: 78316402464 Shipping Weight: 0.35 lbs. Shipping Height: 1...- SKU:
- C15-3614
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Interrupting Rating:
- 65 kA at 120/240 VAC
- Terminal Type:
- Bolt-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 Volt
- Short Description:
- 120/240 VAC, 20 A, 65 kA Interrupt, 14 to 8 AWG Copper, 12 to 8 AWG Aluminum, 1-Pole, Bolt-On Mount, Thermal Magnetic, Internal Common/Non-Interchangeable Trip
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_39_CAT.pdf
- TS PIK:
- 112125205
- Current Rating:
- 20 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- Mounting:
- Bolt-On
- Series:
- TXQ
MSRP $350.00Surplus $91.95 -
GHBGFEP1050 1P 50A
MSRP $1,074.12Surplus $202.73SKU: C15-8919 Brand: MPN: GHBGFEP1050 UPC: Shipping Weight: 1.45 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-8919
- Series:
- C
- Type:
- Circuit Protector
- Short Description:
- 240 to 305 VAC, 277 VAC, 50 A, 14 kA, 30 mA Trip Level, 2-Pole, Pressure Terminal, Bolt-On Mount, Circuit Protector, Ground Fault Circuit Breaker
- Terminal Type:
- Pressure Terminal
- Size:
- 3 Inch W x 2.63 Inch D x 4 Inch H
- Current Rating:
- 50 A
- Wire Size:
- 10 to 1/0 AWG (Aluminum/Copper)
- Used On:
- Panelboard
- Interrupting Rating:
- 14 kA
- Catalog:
- Eaton_27487_V4T2_260_V4T2_267_V4T2_268_CAT.pdf
- Installation/Operator:
- Eaton_00166_INST.pdf
- Number of Poles:
- 2
- Mounting:
- Bolt-On
- Voltage Rating:
- 240 to 305 V, 277 VAC at 50/60 Hz
- Frame Type:
- GHB
- Approval:
- UL 489, UL 1053
MSRP $1,074.12Surplus $202.73 -
GIBSON STAINLESS & SPECIALTY CBS3075 Circuit Breaker Accessories
MSRP $7.56Surplus $1.35GIBSON STAINLESS & SPECIALTY CBS3075 Circuit Breaker Accessories​ ARCA SKU: C15-6064 Brand: GIBSON STAINLESS & SPECIALTY MPN: CBS3075 UPC: Shipping Weight: 0.00 lbs. Shipping...- SKU:
- C15-6064
MSRP $7.56Surplus $1.35 -
Gould E43B060 Molded Case Breakers (MCCBs)
MSRP $440.00Surplus $88.17Gould E43B060 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-8756 Brand: Gould MPN: E43B060 UPC: Shipping Weight: 3.60 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00...- SKU:
- C15-8756
MSRP $440.00Surplus $88.17 -
Gould E43B070 Molded Case Breakers (MCCBs)
MSRP $290.03Surplus $79.77Gould E43B070 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-6170 Brand: Gould MPN: E43B070 UPC: Shipping Weight: 3.55 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00...- SKU:
- C15-6170
MSRP $290.03Surplus $79.77