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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Eaton NZMN1-A32 Molded Case Breakers (MCCBs) NZMN1 3P 32A 690V 50/60Hz 3Ph EA
MSRP $2,068.21Surplus $237.08SKU: C15-5137 Brand: Eaton MPN: NZMN1-A32 UPC: 4015082812331 Shipping Weight: 2.40 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- C15-5137
- Series:
- NZMN1
- Type:
- Thermal Magnetic
- Type:
- Adjustable Thermal
- Size:
- 90 Millimeter Width x 84.5 Millimeter Depth x 145 Millimeter Height
- Volts:
- 690 VAC
- Volts:
- 500 VDC
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 50 kA
- Terminal Type:
- Front Frame ClA
- Terminal Type:
- Box
- Frame Type:
- NZM1
- Maximum AC Voltage Rating:
- 690
- Maximum DC Voltage Rating:
- 500
- Short Description:
- 690 VAC, 500 VDC, 32 A, 50 kA, 3-Pole, Front Frame ClA/Box Terminal, NZM1 Frame, Thermal Magnetic, Adjustable Thermal
- Catalog:
- Eaton-Moeller_00013_61_CAT.pdf
- Data Sheet:
- Eaton-Moeller_01324_1-10_DATA.pdf
- Number of Poles:
- 3
- Current Rating:
- 32 A
- Voltage Rating:
- 690 VAC, 500 VDC
- Country of Origin:
- Germany
MSRP $2,068.21Surplus $237.08 -
Eaton NZMN1-AF45-NA Molded Case Breakers (MCCBs)
MSRP $2,096.29Surplus $336.28SKU: C15-9532 Brand: Eaton MPN: NZMN1-AF45-NA UPC: 01508274230 Shipping Weight: 2.55 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 4.00 In...- SKU:
- C15-9532
- TS PIK:
- 124502788
- Frame Type:
- NZM1
- Catalog:
- Eaton-Moeller_00013_155_CAT.pdf
- Short Description:
- 480 VAC Star/277 VAC, 500 VDC, 45 A, 50 kA, 3-Pole, Front Frame ClA/Box Terminal, NZM1 Frame, Fixed Thermal Magnetic, Molded Case Circuit Breaker
- Series:
- NZMN1
- Voltage Rating:
- 480 VAC Star/277 V, 500 VDC
- Number of Poles:
- 3
- Current Rating:
- 45 A
- Type:
- Thermal Magnetic, Fixed Thermal
- Installation/Operator:
- Eaton_00324_INST.pdf
- Interrupting Rating:
- 50 kA
- Terminal Type:
- Front Frame ClA, Screw
- Maximum AC Voltage Rating:
- 480
- Maximum DC Voltage Rating:
- 500
- Size:
- 90 Millimeter Width x 84.5 Millimeter Depth x 145 Millimeter Height
- Data Sheet:
- Eaton-Moeller_01340_1-9_DATA.pdf
- Country of Origin:
- Germany
MSRP $2,096.29Surplus $336.28 -
Eaton NZMN1-AF50-NA Molded Case Breakers (MCCBs) EA
MSRP $1,968.21Surplus $325.92SKU: C15-6724 Brand: Eaton MPN: NZMN1-AF50-NA UPC: 01508274231 Shipping Weight: 2.55 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 8.00 In...- SKU:
- C15-6724
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 50 A
- Frame:
- NZM1
- Interrupting Rating:
- 50 kA
- Maximum AC Voltage:
- 480
- Maximum DC Voltage:
- 500
- Poles:
- 3
- Size:
- 90 Millimeter Width x 84.5 Millimeter Depth x 145 Millimeter Height
- Terminal Type:
- Front Frame ClA
- Terminal Type:
- Screw
- Type:
- Thermal Magnetic
- Type:
- Fixed Thermal
- Volts:
- 480 VAC Star/277 V
- Volts:
- 500 VDC
- Short Description:
- 480 VAC Star/277 VAC, 500 VDC, 50 A, 50 kA, 3-Pole, Front Frame ClA/Box Terminal, NZM1 Frame, Fixed Thermal Magnetic, Molded Case Circuit Breaker
- Series:
- NZMN1
- Specification/Technical:
- Eaton-Moeller_00448_1_2_SPEC.pdf
- Data Sheet:
- imag ...
- Maximum AC Voltage Rating:
- 480
- Frame Type:
- NZM1
- Installation/Operator:
- Eaton_00324_INST.pdf
- Maximum DC Voltage Rating:
- 500
- Catalog:
- Eaton-Moeller_00013_155_CAT.pdf
- Voltage Rating:
- 480 VAC Star/277 V, 500 VDC
- Current Rating:
- 50 A
- Number of Poles:
- 3
- Country of Origin:
- Germany
MSRP $1,968.21Surplus $325.92 -
Eaton NZMN2-AF60-NA Molded Case Breakers (MCCBs) EA
MSRP $2,035.51Surplus $343.88SKU: C15-6729 Brand: Eaton MPN: NZMN2-AF60-NA UPC: 4015082691783 Shipping Weight: 5.50 lbs. Shipping Height: 7.00 In. Shipping Length: 5.00 In. Shipping Width: 9.00...- SKU:
- C15-6729
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 60 A
- Frame:
- NZM2
- Interrupting Rating:
- 50 kA
- Maximum AC Voltage:
- 600
- Maximum DC Voltage:
- 750
- Poles:
- 3
- Size:
- 105 Millimeter Width x 149 Millimeter Depth x 184 Millimeter Height
- Terminal Type:
- Front Screw
- Type:
- Thermal Magnetic
- Type:
- Fixed Thermal
- Volts:
- 600 VAC Star/347 V
- Volts:
- 480 V
- Volts:
- 750 VDC
- Short Description:
- 600 VAC Star/347 VAC, 480 V, 60 A, 50 kA, 3-Pole, Front Screw Terminal, NZM2 Frame, Fixed Thermal Magnetic, Molded Case Circuit Breaker
- Series:
- NZMN2
- Specification/Technical:
- Eaton-Moeller_00491_1_2_SPEC.pdf
- Data Sheet:
- ATTACHMENTS ...
- TS PIK:
- 21084386
- Maximum AC Voltage Rating:
- 600
- Catalog:
- Eaton-Moeller_00013_154_CAT.pdf
- Installation/Operator:
- Eaton_00324_INST.pdf
- Number of Poles:
- 3
- Voltage Rating:
- 600 VAC Star/347 V, 480 V, 750 VDC
- Current Rating:
- 60 A
- Maximum DC Voltage Rating:
- 750
- Frame Type:
- NZM2
- Country of Origin:
- Germany
MSRP $2,035.51Surplus $343.88 -
Eaton NZMN2-S160-CNA Molded Case Breakers (MCCBs) NZMH2 3P 160A 690V 50/60Hz 3Ph
MSRP $3,071.00Surplus $738.38SKU: C15-3958 Brand: Eaton MPN: NZMN2-S160-CNA UPC: 015082692616 Shipping Weight: 5.45 lbs. Shipping Height: 7.00 In. Shipping Length: 9.00 In. Shipping Width: 5.00...- SKU:
- C15-3958
- Frame Type:
- NZM2
- Voltage Rating:
- 600 VAC Star/347 V
- Current Rating:
- 32 A
- Number of Poles:
- 3
- Interrupting Rating:
- 100 kA
- Type:
- Magnetic
- Maximum AC Voltage Rating:
- 600
- Maximum DC Voltage Rating:
- 750
- Terminal Type:
- Screw
- Size:
- 105 Millimeter Width x 149 Millimeter Depth x 184 Millimeter Height
- Short Description:
- 600 VAC Star/347 VAC, 480 V, 750 VDC, 160 A, 50 kA, 3-Pole, Screw Terminal, NZM2 Frame, Magnetic
- Catalog:
- Eaton-Moeller_00013_160_CAT.pdf
- Data Sheet:
- Eaton-Moeller_01432_1-9_DATA.pdf
- Installation/Operator:
- Eaton_00324_INST.pdf
- Specification/Technical:
- Eaton-Moeller_00499_1_2_SPEC.pdf
- Series:
- NZMN2
- Country of Origin:
- Germany
- Approval:
- UL 489, CSA C22.2, CE
MSRP $3,071.00Surplus $738.38 -
Eaton NZMN2-VE100-BT-NA Molded Case Breakers (MCCBs) NZMN2 3P 100A 600V 50/60Hz 3Ph
MSRP $4,750.00Surplus $774.36SKU: C15-3756 Brand: Eaton MPN: NZMN2-VE100-BT-NA UPC: 015081074932 Shipping Weight: 6.30 lbs. Shipping Height: 7.00 In. Shipping Length: 9.00 In. Shipping Width: 5...- SKU:
- C15-3756
- Frame Type:
- NZM2
- Voltage Rating:
- 600 VAC Star/347 V
- Current Rating:
- 32 A
- Number of Poles:
- 3
- Interrupting Rating:
- 50 kA
- Type:
- Electronic
- Maximum AC Voltage Rating:
- 600
- Maximum DC Voltage Rating:
- 750
- Terminal Type:
- Front Frame ClA
- Size:
- 105 Millimeter Width x 149 Millimeter Depth x 184 Millimeter Height
- Short Description:
- 600 VAC Star/347 VAC, 480 V, 750 VDC, 100 A, 50 kA, 3-Pole, Front Frame ClA/Box Terminal, NZM2 Frame, Electronic
- Catalog:
- Eaton-Moeller_00014_17_70_17_71_CAT.pdf
- Data Sheet:
- Eaton-Moeller_01449_1-10_DATA.pdf
- Installation/Operator:
- Eaton_00324_INST.pdf
- Specification/Technical:
- Eaton-Moeller_00502_1_2_SPEC.pdf
- Series:
- NZMN2
- Country of Origin:
- Germany
- Approval:
- UL489, CSA C22.2, CE
MSRP $4,750.00Surplus $774.36 -
Eaton NZMN2-VE160 Molded Case Breakers (MCCBs) EA
MSRP $1,100.00Surplus $303.33SKU: C15-11013 Brand: Eaton MPN: NZMN2-VE160 UPC: Shipping Weight: 5.45 lbs. Shipping Height: 8.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-11013
- Number of Poles:
- 3
- Voltage Rating:
- 690 VAC
- Short Description:
- 690 VAC 50/60 Hz, 160 A, 3-Pole, Front Screw Terminal, NZM2 Frame, Electronic, Molded Case Circuit Breaker
- Catalog:
- Eaton-Moeller_00014_17_24_17_25_CAT.pdf
- Data Sheet:
- Eaton-Moeller_01451_1-9_DATA.pdf
- Maximum AC Voltage Rating:
- 690
- Size:
- 105 Millimeter Width x 149 Millimeter Depth x 184 Millimeter Height
- Current Rating:
- 160 A
- Installation/Operator:
- Eaton_00324_INST.pdf
- Frame Type:
- NZM2
- Terminal Type:
- Screw
- Series:
- NZMN2
- Type:
- Electronic, Adjustable Thermal
MSRP $1,100.00Surplus $303.33 -
Eaton ORPL60A300 Molded Case Breakers (MCCBs)
MSRP $488.00Surplus $133.92SKU: C15-11694 Brand: Eaton MPN: ORPL60A300 UPC: 78667904426 Shipping Weight: 0.10 lbs. Shipping Height: 1.00 In. Shipping Length: 2.00 In. Shipping Width: 1.00 In...- SKU:
- C15-11694
- TS PIK:
- 115226984
MSRP $488.00Surplus $133.92 -
Eaton PAD3E Circuit Breaker Accessories EA
MSRP $1,155.67Surplus $255.91SKU: C15-9507 Brand: Eaton MPN: PAD3E UPC: Shipping Weight: 2.45 lbs. Shipping Height: 4.00 In. Shipping Length: 9.00 In. Shipping Width: 7.00 In. Product...- SKU:
- C15-9507
- TS PIK:
- 119803315
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY PLUG-IN ADAPTER, PLUG-IN ADAPTER, TH
MSRP $1,155.67Surplus $255.91 -
Eaton PAD3L Circuit Breaker Accessories Plug In Adapter 3P LG Frame EA SERIES G
MSRP $1,490.28Surplus $280.21SKU: C15-1746 Brand: Eaton MPN: PAD3L UPC: 782116906833 Shipping Weight: 13.60 lbs. Shipping Height: 6.50 In. Shipping Length: 12.50 In. Shipping Width: 9.00 In...- SKU:
- C15-1746
- Poles:
- 3
- Frame:
- LG
- Short Description:
- SERIES C_ L FRAME 3P PLUG IN BLOCK
- TS PIK:
- 121852882
MSRP $1,490.28Surplus $280.21 -
Eaton PAD3LD Circuit Breaker Accessories Plug In Block 3P LD Frame EA
MSRP $2,380.99Surplus $693.16SKU: C15-3408 Brand: Eaton MPN: PAD3LD UPC: 782116080335 Shipping Weight: 16.85 lbs. Shipping Height: 9.00 In. Shipping Length: 18.00 In. Shipping Width: 13.00 In...- SKU:
- C15-3408
- Type:
- Plug-In Adapter
- Used On:
- Molded Case Circuit Breaker
- Short Description:
- LD-Frame, 3-Pole
- Catalog:
- Eaton_14666_V4T2_460_CAT.pdf
- TS PIK:
- 119803321
- Country of Origin:
- China
MSRP $2,380.99Surplus $693.16 -
Eaton PD6S25A200 Circuit Breaker Accessories EA
MSRP $1,000.00Surplus $192.28SKU: C15-9459 Brand: Eaton MPN: PD6S25A200 UPC: Shipping Weight: 0.05 lbs. Shipping Height: 2.00 In. Shipping Length: 5.00 In. Shipping Width: 3.00 In. Product...- SKU:
- C15-9459
MSRP $1,000.00Surplus $192.28 -
Eaton PDG12C0030TFFJ Molded Case Breakers (MCCBs) EA
MSRP $292.75Surplus $61.80Eaton PDG12C0030TFFJ Molded Case Breakers (MCCBs) EA​ ARCA SKU: C15-9638 Brand: Eaton MPN: PDG12C0030TFFJ UPC: Shipping Weight: 1.95 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-9638
- TS PIK:
- 127752706
MSRP $292.75Surplus $61.80 -
Eaton PDG12XHMS307 Circuit Breaker Accessories EA
MSRP $15.83Surplus $2.94Eaton PDG12XHMS307 Circuit Breaker Accessories EA​ ARCA SKU: C15-9639 Brand: Eaton MPN: PDG12XHMS307 UPC: Shipping Weight: 0.25 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9639
- TS PIK:
- 127751364
- Used On:
- PD1 Global Molded Case Circuit Breaker
- Type:
- Handle Mechanism Shaft, Variable Depth
- Catalog:
- Eaton_03771_V4T2_22_V4T2_27_V4T2_40_CAT.pdf
- Prop 65 Warning:
- Yes
- Country of Origin:
- China
MSRP $15.83Surplus $2.94 -
Eaton PDG12XHMS507 Circuit Breaker Accessories
MSRP $20.00Surplus $8.60SKU: C15-11450 Brand: Eaton MPN: PDG12XHMS507 UPC: 786679586587 Shipping Weight: 0.50 lbs. Shipping Height: 1.00 In. Shipping Length: 22.00 In. Shipping Width: 2.00...- SKU:
- C15-11450
- Type:
- Handle Mechanism Shaft, Variable Depth
- Prop 65 Warning:
- Yes
- Used On:
- PD1 Global Molded Case Circuit Breaker
- Catalog:
- Eaton_03771_V4T2_22_V4T2_27_V4T2_40_CAT.pdf
- Country of Origin:
- China
MSRP $20.00Surplus $8.60 -
Eaton PDG13C0060TFFN Molded Case Breakers (MCCBs) EA
MSRP $336.36Surplus $56.39Eaton PDG13C0060TFFN Molded Case Breakers (MCCBs) EA​ ARCA SKU: C15-6817 Brand: Eaton MPN: PDG13C0060TFFN UPC: 00786679321638 Shipping Weight: 2.55 lbs. Shipping Height: 5.00 In...- SKU:
- C15-6817
MSRP $336.36Surplus $56.39 -
Eaton PDG1X3TS125 Circuit Breaker Accessories
MSRP $9.22Surplus $4.78SKU: C15-11437 Brand: Eaton MPN: PDG1X3TS125 UPC: 786689213329 Shipping Weight: 0.10 lbs. Shipping Height: 1.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- C15-11437
- TS PIK:
- 128430787
MSRP $9.22Surplus $4.78 -
Eaton PDG1XPLKTOFF Circuit Breaker Accessories
MSRP $85.00Surplus $16.83SKU: C15-11607 Brand: Eaton MPN: PDG1XPLKTOFF UPC: 786679584590 Shipping Weight: 0.20 lbs. Shipping Height: 1.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- C15-11607
- Country of Origin:
- Dominican Republic
- Libra Liquidity Lot:
- Libra Auction Lot
MSRP $85.00Surplus $16.83 -
Eaton PDG1XWBI3P Circuit Breaker Accessories
MSRP $593.23Surplus $240.25SKU: C15-11692 Brand: Eaton MPN: PDG1XWBI3P UPC: 78668933767 Shipping Weight: 2.05 lbs. Shipping Height: 1.00 In. Shipping Length: 7.00 In. Shipping Width: 7.00 In...- SKU:
- C15-11692
- TS PIK:
- 128340838
MSRP $593.23Surplus $240.25 -
Eaton PDG21G0020TFFJ Molded Case Breakers (MCCBs) EA
MSRP $309.00Surplus $189.00SKU: C15-9798 Brand: Eaton MPN: PDG21G0020TFFJ UPC: 78667924566 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-9798
- TS PIK:
- 127777522
MSRP $309.00Surplus $189.00