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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Crouse-Hinds QC2100 Din Rail Mounted Circuit Breakers 2P 100A 240
MSRP $478.80Surplus $165.26Crouse-Hinds QC2100 Din Rail Mounted Circuit Breakers 2P 100A 240​ ARCA SKU: C15-5774 Brand: Crouse-Hinds MPN: QC2100 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-5774
- TS PIK:
- 21508985
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24 to 48/62.5/80 VDC
- Current Rating:
- 100 A
- Number of Poles:
- 2
- Terminal Type:
- Box Lug
- Wire Size:
- 8 to 1/0 AWG Aluminum/Copper (Load)
- Type:
- Thermal Magnetic
- Voltage Rating:
- 120/240 VAC
- Series:
- QC
- Mounting:
- Cable-In, Cable Out
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
- Short Description:
- 120/240 VAC, 100 A, 10 kA, 2-Pole, Aluminum Box Lug Line/Steel Box Lug Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Approval:
- UL 489, CSA
MSRP $478.80Surplus $165.26 -
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Crouse-Hinds QC3050H Din Rail Mounted Circuit Breakers
MSRP $586.21Surplus $141.79Crouse-Hinds QC3050H Din Rail Mounted Circuit Breakers​ ARCA SKU: C15-5775 Brand: Crouse-Hinds MPN: QC3050H UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-5775
- TS PIK:
- 21507383
- Type:
- Thermal Magnetic
- Voltage Rating:
- 240 VAC
- Interrupting Rating:
- 10000 A
- Current Rating:
- 50 A
- Mounting:
- Cable-In, Cable Out
- Series:
- Type QC
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
- Terminal Type:
- Box Lug
- Number of Poles:
- 3
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper, Load)
- Approval:
- UL 489, CSA
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Aluminum Box Lug Line/Steel Box Lug Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Miniature, Circuit Breaker
MSRP $586.21Surplus $141.79 -
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Crouse-Hinds QC3090H Din Rail Mounted Circuit Breakers
MSRP $823.89Surplus $205.44Crouse-Hinds QC3090H Din Rail Mounted Circuit Breakers​ ARCA SKU: C15-5776 Brand: Crouse-Hinds MPN: QC3090H UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-5776
- TS PIK:
- 21507388
- Type:
- Thermal Magnetic
- Terminal Type:
- Box Lug
- Series:
- QC
- Voltage Rating:
- 240 VAC
- Wire Size:
- 8 to 1/0 AWG Aluminum/Copper (Load)
- Number of Poles:
- 3
- Mounting:
- Cable-In, Cable Out
- Interrupting Rating:
- 10000 A
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
- Current Rating:
- 90 A
- Short Description:
- 240 VAC, 90 A, 10 kA, 3-Pole, Aluminum Box Lug Line/Steel Box Lug Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Approval:
- UL 489, CSA
MSRP $823.89Surplus $205.44 -
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Crouse-Hinds QC3100H Din Rail Mounted Circuit Breakers
MSRP $823.89Surplus $163.29SKU: C15-5777 Brand: Crouse-Hinds MPN: QC3100H UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-5777
- TS PIK:
- 21507389
- Interrupting Rating:
- 10000 A
- Voltage Rating:
- 240 VAC
- Series:
- Type QC
- Wire Size:
- 8 to 1/0 AWG (Aluminum/Copper, Load)
- Number of Poles:
- 3
- Type:
- Thermal Magnetic
- Current Rating:
- 100 A
- Terminal Type:
- Box Lug
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
- Mounting:
- Cable-In, Cable Out
- Short Description:
- 240 VAC, 100 A, 10 kA, 3-Pole, Aluminum Box Lug Line/Steel Box Lug Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Approval:
- UL 489, CSA
MSRP $823.89Surplus $163.29 -
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Crouse-Hinds QPGFEP2040 Miniature Circuit Breakers (MCBs)
MSRP $1,443.93Surplus $624.29SKU: C15-7261 Brand: Crouse-Hinds MPN: QPGFEP2040 UPC: 78667914508 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-7261
- TS PIK:
- 109403160
- Short Description:
- EATON QUICKLAG GFCI CIRCUIT BREAKER,INDUSTRIAL GROUND FAULT THERMAL-MAGNETIC EQU
- Number of Poles:
- 2
MSRP $1,443.93Surplus $624.29 -
Crouse-Hinds RE1020 Miniature Circuit Breakers (MCBs)
MSRP $185.82Surplus $26.19Crouse-Hinds RE1020 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-5543 Brand: Crouse-Hinds MPN: RE1020 UPC: Shipping Weight: 1.20 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-5543
- Number of Poles:
- 1
MSRP $185.82Surplus $26.19 -
Crouse-Hinds RE1030 Miniature Circuit Breakers (MCBs)
MSRP $185.82Surplus $25.51Crouse-Hinds RE1030 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-5544 Brand: Crouse-Hinds MPN: RE1030 UPC: Shipping Weight: 1.20 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-5544
- Number of Poles:
- 1
MSRP $185.82Surplus $25.51 -
Crouse-Hinds RE1040 Miniature Circuit Breakers (MCBs)
MSRP $185.82Surplus $32.21Crouse-Hinds RE1040 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-5545 Brand: Crouse-Hinds MPN: RE1040 UPC: Shipping Weight: 1.45 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-5545
- Number of Poles:
- 1
MSRP $185.82Surplus $32.21 -
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Crouse-Hinds RJDN250 Circuit Breaker Accessories
MSRP $1,155.96Surplus $774.03SKU: C15-7905 Brand: Crouse-Hinds MPN: RJDN250 UPC: 78667925614 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7905
MSRP $1,155.96Surplus $774.03 -
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Crouse-Hinds SNT1LP08K Shunt Trips
MSRP $1,076.96Surplus $193.85Crouse-Hinds SNT1LP08K Shunt Trips​ ARCA SKU: A13-1456 Brand: Crouse-Hinds MPN: SNT1LP08K UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00...- SKU:
- A13-1456
- TS PIK:
- 107007018
MSRP $1,076.96Surplus $193.85 -
Crouse-Hinds SNT1RP08K Shunt Trips
MSRP $734.35Surplus $464.17Crouse-Hinds SNT1RP08K Shunt Trips​ ARCA SKU: A13-1377 Brand: Crouse-Hinds MPN: SNT1RP08K UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00...- SKU:
- A13-1377
- TS PIK:
- 21516437
- Type:
- Remote
- Series:
- C
- AC Voltage Rating:
- 48 to 127 V
- Frequency Rating:
- 50/60 Hz
- Used On:
- F Frame HMCP Breaker
- Approval:
- UL
- Short Description:
- 48 to 127 VAC, 48 to 60 VDC 50/60 Hz, Pigtail Lead, Right/Neutral Pole Mount, Remote, Circuit Breaker Shunt Trip
- DC Voltage Rating:
- 48 To 60 V
- Mounting Location:
- Right/Neutral Pole
- Connection Type:
- Pigtail Lead
- Catalog:
- Eaton_27487_V4T2_419_CAT.pdf
- Country of Origin:
- Dominican Republic
MSRP $734.35Surplus $464.17 -
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Crouse-Hinds UVH3RP21K Circuit Breaker Accessories 24V EA
MSRP $1,024.97Surplus $279.60SKU: E30-11579 Brand: Crouse-Hinds MPN: UVH3RP21K UPC: 78667942059 Shipping Weight: 0.45 lbs. Shipping Height: 3.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00...- SKU:
- E30-11579
- Type:
- DC
- Series:
- C, UVH
- Used On:
- K Frame HMCP Series Motor Circuit Protector
- Catalog:
- Eaton_46579_V4T2_428_CAT.pdf
- Short Description:
- 24 VDC, Pigtail Lead Connection, Right Pole, UnderVage Release Mechanism for K-Frame HMCP Molded Case Circuit Breaker
- Country of Origin:
- Dominican Republic
MSRP $1,024.97Surplus $279.60 -
Crouzet 88826145 Miniature Circuit Breakers (MCBs)
MSRP $84.00Surplus $51.62SKU: C15-11811 Brand: Crouzet MPN: 88826145 UPC: 3593150000114 Shipping Weight: 0.15 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 1.00 In...- SKU:
- C15-11811
MSRP $84.00Surplus $51.62 -
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Cutler Hammer CA2100 Molded Case Breakers (MCCBs) CA 2P 100A 240V 50/60Hz 2Ph
MSRP $700.00Surplus $954.85SKU: C15-4366 Brand: Cutler-Hammer MPN: CA2100 UPC: Shipping Weight: 2.75 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-4366
- Approval:
- CSA
- Amps:
- 100 A
- Interrupting Rating:
- 10000 A
- Poles:
- 2
- Terminal Type:
- Line and Load
- Type:
- Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Used On:
- 0
- Volts:
- 240 VAC
- Gauge:
- 0
- Number of Poles:
- 2
- Voltage Rating:
- 240 V AC
- Catalog:
- Eaton_03797_8_CAT.pdf
- Current Rating:
- 100 A
MSRP $700.00Surplus $954.85 -
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Cutler Hammer CH225 Miniature Circuit Breakers (MCBs) CH 2P 25A 120/240V 50/60Hz 1Ph
MSRP $95.67Surplus $29.20Cutler Hammer CH225 Miniature Circuit Breakers (MCBs) CH 2P 25A 120/240V 50/60Hz 1Ph​ ARCA SKU: C15-1505 Brand: Cutler Hammer MPN: CH225 UPC: 782113121451 Shipping Weight: 0.56 Shipping...- SKU:
- C15-1505
- Series:
- CH
- Type:
- Thermal Magnetic Trip
- Type:
- Common Trip
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- CH Series Load Center
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- (1) 14 to 8 AWG (Copper/Aluminum)
- Wire Size:
- (2) 14 to 10 AWG Solid/Stranded (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 25 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Thermal Magnetic
- Catalog:
- Eaton_00071_V1T1_36_V1T1_37_CAT.pdf
- Installation/Operator:
- Eaton_00008_INST.pdf
- Manufacturer Warranty:
- Eaton_00009_WARR.pdf
- Current Rating:
- 25 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
MSRP $95.67Surplus $29.20 -
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Cutler Hammer HMCP007C0CA02 Motor Circuit Protector (MCPs) EA
MSRP $1,719.96Surplus $462.42SKU: U00-3251 Brand: Cutler-Hammer MPN: HMCP007C0CA02 UPC: 78667924788 Shipping Weight: 4.65 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping...- SKU:
- U00-3251
- Frame Type:
- F
- Type:
- Molded Case, Magnetic
- Catalog:
- Eaton_46579_V4T2_254_V4T2_255_V4T2_394_V4T2_395_V4T2_398_V4T2_415_CAT.pdf
- Installation/Operator:
- Eaton_00176_INST.pdf
- Terminal Type:
- Non-Aluminum Line and Load Terminal
- Short Description:
- 600 VAC, 250 VDC, 7 A, 3-Pole, 21 to 70 A Trip, NEMA 0, Non-Aluminum Terminal, F Frame, Molded Case, Magnetic, Motor Circuit Protector with (1) Left Auxiliary Switch
- Voltage Rating:
- 600 VAC, 250 VDC
- Maximum AC Voltage Rating:
- 600 V
- Maximum DC Voltage Rating:
- 250 V
- Current Rating:
- 7 A
- Series:
- C, HMCP
- Number of Poles:
- 3
- CAD Drawings:
- Eaton_00054_1-9_CAD.pdf
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA C22.2, CE
MSRP $1,719.96Surplus $462.42 -
Cutler Hammer HMCP050G2C Motor Circuit Protector (MCPs) EA
MSRP $1,503.50Surplus $332.74SKU: C15-6837 Brand: Cutler-Hammer MPN: HMCP050G2C UPC: 78667903308 Shipping Weight: 4.50 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5...- SKU:
- C15-6837
- Short Description:
- 600 VAC, 250 VDC, 50 A, 3-Pole, 80 to 120 A Trip, NEMA 2, Non-Aluminum Terminal, F Frame, Molded Case, Magnetic, Motor Circuit Protector
- Series:
- C, HMCP
- Frame Type:
- F
- Maximum DC Voltage Rating:
- 250 V
- Catalog:
- Eaton_46579_V4T2_254_V4T2_255_V4T2_394_V4T2_395_V4T2_399_CAT.pdf
- Number of Poles:
- 3
- CAD Drawings:
- Eaton_00054_1-9_CAD.pdf
- Voltage Rating:
- 600 VAC, 250 VDC
- Type:
- Molded Case, Magnetic
- Current Rating:
- 50 A
- Installation/Operator:
- Eaton_00176_INST.pdf
- Maximum AC Voltage Rating:
- 600 V
- Terminal Type:
- Non-Aluminum Line and Load Terminal
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA C22.2, CE
- Trip Setting:
- 80 to 120 A
- Starter Size:
- NEMA 2
MSRP $1,503.50Surplus $332.74 -
Cutler Hammer HMCP250C5C Motor Circuit Protector (MCPs) EA
MSRP $3,137.51Surplus $540.88SKU: C15-6866 Brand: Cutler-Hammer MPN: HMCP250C5C UPC: 78667915100 Shipping Weight: 8.90 lbs. Shipping Height: 7.00 In. Shipping Length: 13.00 In. Shipping Width: 7...- SKU:
- C15-6866
- Country of Origin:
- Dominican Republic
MSRP $3,137.51Surplus $540.88 -
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Cutler Hammer OPTIMIZER Trip Units Digitrip
Surplus $8,411.13SKU: A13-1194 Brand: Eaton Cutler-Hammer MPN: OPTIMIZER UPC: 786679015230 Shipping Weight: 1.10 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping...- SKU:
- A13-1194
- Used On:
- Molded Case Circuit Breaker
- Language:
- English
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_465_CAT.pdf
- Installation/Operator:
- Eaton_00814_INST.pdf
Surplus $8,411.13 -
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Cutler-Hammer 1C96649G02 Circuit Breaker Accessories NULL EA
MSRP $78.00Surplus $96.49Cutler-Hammer 1C96649G02 Circuit Breaker Accessories NULL EA​ ARCA SKU: C15-8872 Brand: Eaton Cutler-Hammer MPN: 1C96649G02 UPC: Shipping Weight: 1.10 lbs. Shipping Height: 15.00 In...- SKU:
- C15-8872
- Catalog:
- Eaton_07871_12_CAT.pdf
- Short Description:
- 6 AWG to 300 KCMIL, Tin Plated Aluminum Connector, Mechanical Lug, Neutral Assembly for PRL1X/PRL2X/PRL1A/PRL2A 100/225 A Panelboard
- Type:
- Neutral Assembly
- Used On:
- XT Series Manual Motor Protector
MSRP $78.00Surplus $96.49
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