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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Eaton 3T632LK Circuit Breaker Accessories
MSRP $546.29Surplus $120.26SKU: C15-9555 Brand: Eaton MPN: 3T632LK UPC: 78211616565 Shipping Weight: 4.15 lbs. Shipping Height: 4.00 In. Shipping Length: 9.00 In. Shipping Width: 3.00 In...- SKU:
- C15-9555
- TS PIK:
- 120298424
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY LINE AND LOAD TERMINAL, LINE AND LOA
- Country of Origin:
- United States
MSRP $546.29Surplus $120.26 -
Eaton 3TA100G6K Circuit Breaker Accessories 6-Wire Terminal Connector Kit 3P 100A G
MSRP $134.76Surplus $24.26Eaton 3TA100G6K Circuit Breaker Accessories 6-Wire Terminal Connector Kit 3P 100A G​ ARCA SKU: C15-3755 Brand: Eaton MPN: 3TA100G6K UPC: 786679096680 Shipping Weight: 0.30 Shipping...- SKU:
- C15-3755
- Amps:
- 100 A
- Poles:
- 3
- Frame:
- G
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY MULTIWIRE CONNECTORS, MULTIWIRE CONN
- Country of Origin:
- Dominican Republic
MSRP $134.76Surplus $24.26 -
Eaton 3TA150F6K Circuit Breaker Accessories Multiwire Connector 225A F Frame EA
MSRP $131.00Surplus $28.05Eaton 3TA150F6K Circuit Breaker Accessories Multiwire Connector 225A F Frame EA​ ARCA SKU: C15-2977 Brand: Eaton MPN: 3TA150F6K UPC: 786679843826 Shipping Weight: 0.45 lbs. Shipping...- SKU:
- C15-2977
- Type:
- Multi-Wire Connector
- Used On:
- C Series Molded Case Circuit Breaker
- Short Description:
- 225 A, 14 to 6 AWG, F-Frame
- Catalog:
- Eaton_14666_V4T2_450_CAT.pdf
- Installation/Operator:
- Eaton_00522_INST.pdf
- TS PIK:
- 107007404
- Country of Origin:
- United States
MSRP $131.00Surplus $28.05 -
Eaton 4218B80G03 Circuit Breaker Accessories MTG Hardware
MSRP $24.00Surplus $3.48Eaton 4218B80G03 Circuit Breaker Accessories MTG Hardware​ ARCA SKU: C15-4415 Brand: Eaton MPN: 4218B80G03 UPC: Shipping Weight: 0.15 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-4415
- Type:
- MTG Hardware
MSRP $24.00Surplus $3.48 -
Eaton 4221B73G01 Circuit Breaker Accessories EA
Surplus $1,433.98Eaton 4221B73G01 Circuit Breaker Accessories EA​ ARCA SKU: C15-9364 Brand: Eaton MPN: 4221B73G01 UPC: 786679002230 Shipping Weight: 0.05 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-9364
- TS PIK:
- 110573400
Surplus $1,433.98 -
Eaton 458D493G03 Circuit Breaker Accessories EA
MSRP $398.94Surplus $93.21Eaton 458D493G03 Circuit Breaker Accessories EA​ ARCA SKU: C15-9395 Brand: Eaton MPN: 458D493G03 UPC: 78667963414 Shipping Weight: 1.65 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-9395
- TS PIK:
- 21513992
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HANDLE MECHANISM, HANDLE MECHANISM,
- Country of Origin:
- United States
MSRP $398.94Surplus $93.21 -
Eaton 4KES225T Rating Plug
MSRP $343.86Surplus $200.68SKU: C15-9463 Brand: Eaton MPN: 4KES225T UPC: 78667926926 Shipping Weight: 0.05 lbs. Shipping Height: 2.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In...- SKU:
- C15-9463
- TS PIK:
- 107000559
- Plug Current Rating:
- 225 A
- Short Description:
- 225 A, K Frame, Fixed, Electronic RMS 310 Digitrip, Molded Case Circuit Breaker Rating Plug
- Maximum Breaker Current Rating:
- 400 A
- Catalog:
- Eaton_03777_31-33_CAT.pdf
- Series:
- C, KES
- Type:
- RMS 310 Digitrip
- Frame Type:
- K
- Approval:
- UL
- Country of Origin:
- United States
MSRP $343.86Surplus $200.68 -
Eaton 4KES250T Rating Plug EA
MSRP $312.60Surplus $162.26Eaton 4KES250T Rating Plug EA​ ARCA SKU: A13-1526 Brand: Eaton MPN: 4KES250T UPC: Shipping Weight: 0.05 lbs. Shipping Height: 2.00 In. Shipping Length: 3.00 In...- SKU:
- A13-1526
- TS PIK:
- 107000558
- Frame Type:
- K, J-K
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY RATING PLUG, DIGITRIP 310, RATING PL
- Type:
- 310 Digitrip
- Approval:
- UL
- Maximum Breaker Current Rating:
- 400 A
- Plug Current Rating:
- 250 A
MSRP $312.60Surplus $162.26 -
Eaton 504C323G08 Circuit Breaker Accessories Vari-Depth Rotary Handle
MSRP $334.00Surplus $94.52Eaton 504C323G08 Circuit Breaker Accessories Vari-Depth Rotary Handle​ ARCA SKU: C15-3032 Brand: Eaton MPN: 504C323G08 UPC: 786679649923 Shipping Weight: 0.85 lbs. Shipping Height: 3.00 In...- SKU:
- C15-3032
- Type:
- Pistol
- Used On:
- Molded Case Circuit Breaker
- Enclosure:
- NEMA 4
- Shape:
- Round
- Breaker Type:
- 100 to 150 A F Frame
- Breaker Type:
- 225 to 250 Ampere J Frame
- Breaker Type:
- 400 Ampere K Frame
- Breaker Type:
- 600 Ampere L Frame
- Breaker Type:
- 800 Ampere M Frame
- Switch Current Rating:
- 30 to 200 Ampere
- Defeatable:
- No
- Locking Type:
- Padlockable
- Short Description:
- NEMA 4, Padlockable, Round, Pistol
- Catalog:
- Eaton_03653_V12T3_98_CAT.pdf
- Country of Origin:
- United States
MSRP $334.00Surplus $94.52 -
Eaton 505C606G05 Circuit Breaker Accessories Panelboard Connecting Strap 1200A
MSRP $663.00Surplus $119.05Eaton 505C606G05 Circuit Breaker Accessories Panelboard Connecting Strap 1200A​ ARCA SKU: C15-2919 Brand: Eaton MPN: 505C606G05 UPC: 786679838686 Shipping Weight: 4.00 Shipping Height: 3...- SKU:
- C15-2919
- Amps:
- 1200 A
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY PANELBOARD CONNECTING STRAP, PANELBO
- Country of Origin:
- United States
MSRP $663.00Surplus $119.05 -
Eaton 5117A60G28 Circuit Breaker Accessories EA
MSRP $38.00Surplus $8.64Eaton 5117A60G28 Circuit Breaker Accessories EA​ ARCA SKU: C15-9345 Brand: Eaton MPN: 5117A60G28 UPC: Shipping Weight: 0.10 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9345
- Country of Origin:
- United States
MSRP $38.00Surplus $8.64 -
Eaton 6502C71G03 Circuit Breaker Accessories Wire Harness Assembly
MSRP $240.00Surplus $19.76Eaton 6502C71G03 Circuit Breaker Accessories Wire Harness Assembly​ ARCA SKU: C15-4823 Brand: Eaton MPN: 6502C71G03 UPC: Shipping Weight: 3.10 Shipping Height: 5.00 In. Shipping...- SKU:
- C15-4823
- Type:
- Wire Harness Assembly
MSRP $240.00Surplus $19.76 -
Eaton 65A3128G01 Circuit Breaker Accessories
MSRP $100.00Surplus $4.30Eaton 65A3128G01 Circuit Breaker Accessories​ ARCA SKU: E30-11844 Brand: Eaton MPN: 65A3128G01 UPC: Shipping Weight: 5.95 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- E30-11844
MSRP $100.00Surplus $4.30 -
Eaton 6642C14G07 Circuit Breaker Accessories Stud Assembly
MSRP $470.00Surplus $64.00Eaton 6642C14G07 Circuit Breaker Accessories Stud Assembly​ ARCA SKU: C15-2567 Brand: Eaton MPN: 6642C14G07 UPC: 78667916154 Shipping Weight: 1.50 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-2567
- Short Description:
- LONG STUD 400A RATED
- Country of Origin:
- United States
MSRP $470.00Surplus $64.00 -
Eaton 66A1597G01 Circuit Breaker Accessories Hasp Lock Off Only E Frame
MSRP $70.50Surplus $8.63Eaton 66A1597G01 Circuit Breaker Accessories Hasp Lock Off Only E Frame​ ARCA SKU: C15-4311 Brand: Eaton MPN: 66A1597G01 UPC: 786685436982 Shipping Weight: 0.20 Shipping Height: 1.00 In...- SKU:
- C15-4311
- Frame:
- E
- Country of Origin:
- United States
MSRP $70.50Surplus $8.63 -
Eaton 66A4560G05 Circuit Breaker Accessories Mounting Screw Kit
MSRP $15.00Surplus $2.46Eaton 66A4560G05 Circuit Breaker Accessories Mounting Screw Kit​ ARCA SKU: C15-4427 Brand: Eaton MPN: 66A4560G05 UPC: Shipping Weight: 0.05 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-4427
- Type:
- Mounting Screw Kit
- Country of Origin:
- United States
MSRP $15.00Surplus $2.46 -
Eaton 66A6010G95 Circuit Breaker Accessories
MSRP $33.05Surplus $15.58Eaton 66A6010G95 Circuit Breaker Accessories​ ARCA SKU: C15-2909 Brand: Eaton MPN: 66A6010G95 UPC: 786685362397 Shipping Weight: 0.15 Shipping Height: 4.50 In. Shipping...- SKU:
- C15-2909
- Approval:
- UL
- Breaker Type:
- EG/JG/LG/GD/FD Frame
- Handle Included:
- Yes
- Handle to Device Connection:
- Variable Depth Shaft
- Handle Type:
- Rotary
- Shaft Length:
- 6
- Switch Type:
- Molded Case
- Specification/Technical:
- Eaton_61553_1_2_SPEC.pdf
- Catalog:
- Eaton_03771_V4T2_500_V4T2_511_CAT.pdf
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HANDLE MECHANISM, VARIABLE DEPTH ROT
- Country of Origin:
- United States
MSRP $33.05Surplus $15.58 -
Eaton 66A6013H01 Circuit Breaker Accessories
MSRP $105.00Surplus $33.86Eaton 66A6013H01 Circuit Breaker Accessories​ ARCA SKU: C15-11312 Brand: Eaton MPN: 66A6013H01 UPC: 786685284705 Shipping Weight: 0.65 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-11312
- TS PIK:
- 126084842
- Country of Origin:
- France
- Short Description:
- VARI DEPTH 10@ SHAFT 12MM (NG/RG)
MSRP $105.00Surplus $33.86 -
Eaton 66C1478G10 Miniature Circuit Breakers (MCBs) CH 1P 20A 240V 50/60Hz 1Ph EA
MSRP $272.40Surplus $89.99Eaton 66C1478G10 Miniature Circuit Breakers (MCBs) CH 1P 20A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1003 Brand: Eaton MPN: 66C1478G10 UPC: 786670008255 Shipping Weight: 0.50 lbs. Shipping...- SKU:
- C15-1003
- Volts:
- 240 V
- Amps:
- 20 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON CH ARC FAULT / GROUND FAULT CIRCUIT BREAKER
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
MSRP $272.40Surplus $89.99 -
Eaton 66C1488G12 Miniature Circuit Breakers (MCBs) BR 1P 15A 120V 50/60Hz 1Ph EA
MSRP $490.00Surplus $71.78Eaton 66C1488G12 Miniature Circuit Breakers (MCBs) BR 1P 15A 120V 50/60Hz 1Ph EA​ ARCA SKU: C15-2883 Brand: Eaton MPN: 66C1488G12 UPC: 786670008217 Shipping Weight: 0.55 lbs. Shipping...- SKU:
- C15-2883
- Volts:
- 120 V
- Amps:
- 15 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON BR ARC FAULT / GROUND FAULT CIRCUIT BREAKER
- TS PIK:
- 126287060
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
MSRP $490.00Surplus $71.78
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