
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.
-
Din Rail Mounted Circuit Breakers
-
Main Breakers
-
Miniature Circuit Breakers (MCBs)
-
Molded Case Breakers (MCCBs)
-
Motor Circuit Protector (MCPs)
-
Lug Terminal Kits
-
Auxiliary, Shunt, Trip Units and UVRs
-
Circuit Breaker Accessories
- Product
- Qty in Cart
- Price
-
Eaton EFPHLOFF Circuit Breaker Accessories Padlockable Handle Lock Hasp EA OFF Only
MSRP $65.25Surplus $22.81Eaton EFPHLOFF Circuit Breaker Accessories Padlockable Handle Lock Hasp EA OFF Only​ ARCA SKU: C15-3369 Brand: Eaton MPN: EFPHLOFF UPC: 782113683898 Shipping Weight: 0.15 lbs. Shipping...- SKU:
- C15-3369
- Type:
- Padlockable
- Used On:
- EG Frame Circuit Breaker
- Accessory Type:
- Handle Accessories
- Locking Provision:
- Off
- Short Description:
- Off
- Catalog:
- Eaton_14666_V4T2_245_CAT.pdf
- TS PIK:
- 117057689
- Country of Origin:
- Dominican Republic
MSRP $65.25Surplus $22.81 -
Eaton EHD2050 Molded Case Breakers (MCCBs) 2P 50A 480V EA
MSRP $749.97Surplus $505.40Eaton EHD2050 Molded Case Breakers (MCCBs) 2P 50A 480V EA​ ARCA SKU: C15-2311 Brand: Eaton MPN: EHD2050 UPC: 78667931747 Shipping Weight: 3.05 lbs. Shipping Height: 4.00 In...- SKU:
- C15-2311
- Series:
- EHD
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Size:
- 2.75 Inch Width x 3.38 Inch Depth x 6 Inch Height
- Volts:
- 480 VAC 50/60 Hertz
- Volts:
- 250 VDC
- Amps:
- 32 A
- Poles:
- 2
- Interrupting Rating:
- 14 kA at 480 VAC
- Interrupting Rating:
- 10 Kiloamp at 250 Volt DC
- Terminal Type:
- Standard Pressure Line and Load
- Frame Type:
- FD
- Maximum AC Voltage Rating:
- 480 V
- Maximum DC Voltage Rating:
- 250 V
- Short Description:
- 480 VAC 50/60 Hz, 250 VDC, 50 A, 14/10 kA, 2-Pole, Standard Pressure Load Terminal, EHD Frame, Thermal Magnetic, Molded Case
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_273_V4T2_274_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00024_INST.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01786_1_CAD.pdf
- TS PIK:
- 21509168
- Number of Poles:
- 2
- Voltage Rating:
- 480 VAC 50/60 Hertz, 250 VDC
- Data Sheet:
- Eaton_40755_1-4_DATA.pdf
- Current Rating:
- 50 A
- Country of Origin:
- Dominican Republic
MSRP $749.97Surplus $505.40 -
Eaton FAZ-C30/3 Miniature Circuit Breakers (MCBs)
MSRP $379.50Surplus $56.97Eaton FAZ-C30/3 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-3345 Brand: Eaton MPN: FAZ-C30/3 UPC: 015081639605 Shipping Weight: 0.85 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3345
- Series:
- FAZ
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 1077
- Approval:
- UL (Canada and US)
- Approval:
- CSA C22.2
- Approval:
- CE
- Size:
- 2.09 Inch Width x 2.36 Inch Depth x 3.15 Inch Height
- Volts:
- 277/480 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Screw
- Wire Size:
- 18 to 4/18 to 8 AWG
- Trip Setting:
- 5 to 10 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 30 A, 3-Pole, 10 kA, 5 to 10 x Rated Current, Line/Load Terminal, DIN Rail Mount, Standard Packaging, C-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_74-V4T1_92_CAT.pdf
- Data Sheet:
- Eaton_53935_1_2_DATA.pdf
- Number of Poles:
- 3
- Voltage Rating:
- 277/480 VAC
- Current Rating:
- 30 A
- Curve Type:
- C
- TS PIK:
- 124610280
- Country of Origin:
- Spain
MSRP $379.50Surplus $56.97 -
Contact Us For Quote
Eaton GFTCB120 Miniature Circuit Breakers (MCBs) GF 1P 20A 240V 50/60Hz 1Ph EA
MSRP $197.40Surplus $19.60Eaton GFTCB120 Miniature Circuit Breakers (MCBs) GF 1P 20A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1444 Brand: Eaton MPN: GFTCB120 UPC: 786680129773 Shipping Weight: 0.40 lbs. Shipping...- SKU:
- C15-1444
- Series:
- GFTCB
- Approval:
- UL 943
- Size:
- 1 Inch Width x 1 Inch Depth x 1 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- Type BR Load Center
- Poles:
- 1
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Trip Sensitivity:
- 5 Milliamp
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 5 mA Trip Level, 1-Pole, Plug-On Mount
- Catalog:
- Eaton_36650_V1T1_76_V1T1_79_CAT.pdf
- TS PIK:
- 126205847
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 20 A
- Number of Poles:
- 1
- Country of Origin:
- United States
MSRP $197.40Surplus $19.60 -
Eaton GHB3070 Molded Case Breakers (MCCBs) GHB 3P 70A 277V 50/60Hz 3Ph G Frame EA
MSRP $1,200.00Surplus $553.28SKU: C15-3735 Brand: Eaton MPN: GHB3070 UPC: 786679911310 Shipping Weight: 1.50 lbs. Shipping Height: 4.00 In. Shipping Length: 5.00 In. Shipping Width: 4.00 In...- SKU:
- C15-3735
- Series:
- C
- Type:
- Molded Case
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Size:
- 3.8 Inch Width x 6.6 Inch Depth x 4 Inch Height
- Volts:
- 277/480 VAC at 50/60 Hertz
- Volts:
- 125/250 VDC
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 14 kA at 480 VAC Star/277 VAC/125/250 VDC
- Terminal Type:
- Aluminum Pressure Line and Load
- Frame Type:
- GHB
- Maximum AC Voltage Rating:
- 480 V
- Maximum DC Voltage Rating:
- 250 V
- Short Description:
- 277/480 VAC 50/60 Hz, 125 VDC, 70 A, 14 kA, 3-Pole, Steel Pressure Screw Line and Load Terminal, GHB Frame, Thermal Magnetic, Molded Case
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_259_V4T2_260_CAT.pdf
- Installation/Operator:
- Eaton_00166_INST.pdf
- TS PIK:
- 21517408
- Number of Poles:
- 3
- Voltage Rating:
- 277/480 VAC, 125/250 VDC
- Current Rating:
- 70 A
MSRP $1,200.00Surplus $553.28 -
Contact Us For Quote
Eaton HKD3300WC01512 Molded Case Breakers (MCCBs) HKD 3P 300A 600V 50/60Hz 3Ph K Frame
MSRP $120,000.00Surplus $31,373.51SKU: C15-4711 Brand: Eaton MPN: HKD3300WC01512 UPC: Shipping Weight: 10.75 lbs. Shipping Height: 5.00 In. Shipping Length: 12.00 In. Shipping Width: 10.00 In...- SKU:
- C15-4711
- Frame Type:
- K
- Voltage Rating:
- 600 V
- Current Rating:
- 300 A
- Number of Poles:
- 3
- Interrupting Rating:
- 100 kA at 240 Vac, 65 kA at 480 Vac
- Short Description:
- Eaton Series C complete molded case circuit breaker, K-frame, HKD, Complete breaker, Fixed thermal, fixed magnetic trip, Three-pole, 300A, 600 Vac, 250 Vdc, 100 kA at 240 Vac, 65 kA at 480 Vac, Without terminals, 50/60 Hz
MSRP $120,000.00Surplus $31,373.51 -
Contact Us For Quote
Eaton HLT3400FF Trip Units
MSRP $1,500.00Surplus $375.90SKU: A13-1585 Brand: Eaton MPN: HLT3400FF UPC: Shipping Weight: 2.00 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 4.00 In. Product...- SKU:
- A13-1585
MSRP $1,500.00Surplus $375.90 -
Eaton HMCP050K2C Motor Circuit Protector (MCPs) EA
MSRP $1,503.00Surplus $190.85SKU: C15-6838 Brand: Eaton MPN: HMCP050K2C UPC: 78667915083 Shipping Weight: 4.50 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-6838
- TS PIK:
- 21505327
- Number of Poles:
- 3
- Frame Type:
- F
- Short Description:
- 600 VAC, 250 VDC, 50 A, 150 to 500 A Trip, 11.5 to 42.1 A FLA, 3-Pole, NEMA 2, Non-Aluminum Line and Load Terminal, F Frame, Magnetic, Molded Case, Motor Circuit Protector
- Catalog:
- Eaton_27487_V4T2_394_V4T2_395_V4T2_398_CAT.pdf
- Voltage Rating:
- 600 VAC, 250 VDC
- Maximum DC Voltage Rating:
- 250 VDC
- Type:
- Molded Case, Magnetic
- Terminal Type:
- Non-Aluminum Line and Load Terminal
- Installation/Operator:
- Eaton_00176_INST.pdf
- Maximum AC Voltage Rating:
- 600 VAC
- Current Rating:
- 50 A
- Series:
- C, HMCP
- CAD Drawings:
- Eaton_00054_1-9_CAD.pdf
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA C22.2, CE
- Libra Liquidity Lot:
- Libra Auction Lot
- Starter Size:
- NEMA 2
- Motor FLA:
- 11.5 to 42.1 A
- Trip Setting:
- 50 to 500 A
MSRP $1,503.00Surplus $190.85 -
Eaton HMCP070J2 Motor Circuit Protector (MCPs) EA
MSRP $2,450.00Surplus $670.32SKU: C15-9654 Brand: Eaton MPN: HMCP070J2 UPC: 78667915089 Shipping Weight: 4.15 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- C15-9654
- TS PIK:
- 21505333
- Country of Origin:
- Dominican Republic
MSRP $2,450.00Surplus $670.32 -
Eaton JHMVD Circuit Breaker Accessories Handle Mechanism J-K Frame
MSRP $255.00Surplus $25.36Eaton JHMVD Circuit Breaker Accessories Handle Mechanism J-K Frame​ ARCA SKU: C15-4003 Brand: Eaton MPN: JHMVD UPC: 782116347353 Shipping Weight: 1.75 Shipping Height: 5.00 In. Shipping...- SKU:
- C15-4003
- Short Description:
- VARI-DEPTH ROTARY MECH 10 MM (JD)
- Type:
- Handle Mechanism
- Frame Type:
- J-K
- Country of Origin:
- United States​
MSRP $255.00Surplus $25.36 -
Contact Us For Quote
Eaton KES3400ALSI Trip Units
MSRP $6,000.00Surplus $2,339.61SKU: A13-1254 Brand: Eaton MPN: KES3400ALSI UPC: 786685761572 Shipping Weight: 3.05 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In...- SKU:
- A13-1254
- Type:
- Electronic RMS 310 Digitrip LSI
- Type:
- Maintenance Mode
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Amps:
- 400 A
- Poles:
- 3
- Frame Type:
- K
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_301_CAT.pdf
- Installation/Operator:
- Eaton_00109_INST.pdf
- TS PIK:
- 125291157
- Number of Poles:
- 3
- Current Rating:
- 400 A
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, KES 310+ ELECTRONIC, 400
MSRP $6,000.00Surplus $2,339.61 -
Eaton KT3400T Trip Units 3P 400A 600V EA
MSRP $1,216.84Surplus $575.95SKU: A13-1041 Brand: Eaton MPN: KT3400T UPC: 78667926609 Shipping Weight: 1.75 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- A13-1041
- Adjustment:
- Magnetic Trip
- Approval:
- UL
- Amps:
- 400 A
- Frame:
- K
- Poles:
- 3
- Type:
- Thermal Magnetic
- Short Description:
- 400 A, 3-Pole, K Frame, Thermal Magnetic, Molded Case Circuit Breaker Trip Unit
- Series:
- C
- Specification/Technical:
- Eaton_08729_1_2_SPEC.pdf
- TS PIK:
- 21507995
- Frame Type:
- K
- Catalog:
- Eaton_27487_V4T2_299_V4T2_300_V4T2_302_CAT.pdf
- Current Rating:
- 400 A
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $1,216.84Surplus $575.95 -
Contact Us For Quote
Eaton LA3225PT Trip Units
MSRP $2,610.34Surplus $704.10SKU: A13-1610 Brand: Eaton MPN: LA3225PT UPC: 78667976616 Shipping Weight: 2.85 lbs. Shipping Height: 6.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- A13-1610
- TS PIK:
- 21515782
- Current Rating:
- 225 A
- Number of Poles:
- 3
- Type:
- Thermal Magnetic, Tri-Pac, Current Limiting, Fused
- Catalog:
- EatonCorp-CutlerHammer_00004_4_118_CAT.pdf
MSRP $2,610.34Surplus $704.10 -
Eaton LD3600 Molded Case Breakers (MCCBs) 3P 600A
MSRP $12,981.77Surplus $4,883.76SKU: C15-6808 Brand: Eaton MPN: LD3600 UPC: 78667934182 Shipping Weight: 21.85 lbs. Shipping Height: 8.00 In. Shipping Length: 14.00 In. Shipping Width: 11.00 In...- SKU:
- C15-6808
- TS PIK:
- 21010546
- Current Rating:
- 600 A
- Terminal Type:
- Aluminum/Copper Standard Pressure Line and Load Terminal
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_323_V4T2_324_CAT.pdf
- Voltage Rating:
- 600 VAC, 250 VDC
- Number of Poles:
- 3
- Type:
- Molded Case, Thermal Magnetic
- Installation/Operator:
- Eaton_00486_INST.pdf
- Frame Type:
- LD
- Interrupting Rating:
- 35 kA at 480 VAC
- Size:
- 8.25 Inch Width x 4.06 Inch Depth x 10.75 Inch Height
- Maximum DC Voltage Rating:
- 250 V
- Maximum AC Voltage Rating:
- 600 V
- Series:
- C, LD
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 600 A, 35 kA, 3-Pole, LD Frame, Thermal Magnetic, Molded Case, Interchangeable Trip Circuit Breaker
MSRP $12,981.77Surplus $4,883.76 -
Eaton LG3600 Molded Case Breakers (MCCBs) EA
MSRP $7,700.00Surplus $2,015.86SKU: C15-9644 Brand: Eaton MPN: LG3600 UPC: 786679659236 Shipping Weight: 22.95 lbs. Shipping Height: 8.00 In. Shipping Length: 11.00 In. Shipping Width: 14.00 In...- SKU:
- C15-9644
- TS PIK:
- 107005285
- Country of Origin:
- United States
MSRP $7,700.00Surplus $2,015.86 -
Eaton LGHMVD12RX Circuit Breaker Accessories EA
MSRP $388.34Surplus $73.23Eaton LGHMVD12RX Circuit Breaker Accessories EA​ ARCA SKU: C15-5260 Brand: Eaton MPN: LGHMVD12RX UPC: Shipping Weight: 3.65 Shipping Height: 8.00 In. Shipping Length: 16.00 In...- SKU:
- C15-5260
- Short Description:
- LG VD ROTARY HNDLE KIT_ 12@ SHFT_ S2 RED_ 4/4X
- Country of Origin:
- United States
MSRP $388.34Surplus $73.23 -
Contact Us For Quote
Eaton LRCS3WK Circuit Breaker Accessories Rear Connect Studs 3P LG Frame
MSRP $1,134.26Surplus $572.43SKU: C15-1753 Brand: Eaton MPN: LRCS3WK UPC: 782116213894 Shipping Weight: 3.80 lbs. Shipping Height: 4.00 In. Shipping Length: 9.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1753
- Poles:
- 3
- Frame:
- LG
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HANDLE MECHANISM, REAR CONNECTING ST
MSRP $1,134.26Surplus $572.43 -
Contact Us For Quote
Eaton LT26000TK Trip Units LT 2P 600A 690V 50/60Hz
MSRP $2,000.00Surplus $338.74SKU: A13-1277 Brand: Eaton MPN: LT26000TK UPC: Shipping Weight: 2.60 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In. Product...- SKU:
- A13-1277
- Poles:
- 2
- Volts:
- 690 V
- Amps:
- 600 A
- Type:
- LT
- Series:
- C Series
MSRP $2,000.00Surplus $338.74 -
Contact Us For Quote
Eaton LT3400T Trip Units EA
MSRP $3,692.79Surplus $1,493.59SKU: A13-1361 Brand: Eaton MPN: LT3400T UPC: 786679580066 Shipping Weight: 2.55 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In...- SKU:
- A13-1361
- Adjustment:
- Magnetic Trip
- Approval:
- UL
- Approval:
- CE
- Amps:
- 400 A
- Frame:
- LD
- Frame:
- HLD
- Frame:
- LDC
- Poles:
- 3
- Type:
- Thermal Magnetic
- Short Description:
- 400 A, 3-Pole, LD/HLD/LDC Frame, Thermal Magnetic, Molded Case Circuit Breaker Trip Unit
- Specification/Technical:
- Eaton_08946_1_2_SPEC.pdf
- Installation/Operator:
- Eaton_00487_INST.pdf
- Number of Poles:
- 3
- Current Rating:
- 400 A
- Frame Type:
- LD, HLD, LDC
- Catalog:
- Eaton_27487_V4T2_324_V4T2_326_V4T2_484_CAT.pdf
- Country of Origin:
- United States
MSRP $3,692.79Surplus $1,493.59 -
Eaton MT3700T Trip Units
MSRP $5,122.58Surplus $1,662.50SKU: A13-1241 Brand: Eaton MPN: MT3700T UPC: 782114350140 Shipping Weight: 2.80 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In...- SKU:
- A13-1241
- Series:
- C
- Type:
- Thermal Magnetic
- Approval:
- UL
- Amps:
- 700 A
- Poles:
- 3
- Frame Type:
- HMDL
- Adjustment:
- Magnetic Trip
- Short Description:
- 700 A, 3-Pole, MDL/HMDL Frame, Thermal Magnetic
- Catalog:
- Eaton_27487_V4T2_349-V4T2_351_V4T2_485_CAT.pdf
- TS PIK:
- 115512085
- Current Rating:
- 700 A
- Number of Poles:
- 3
- Country of Origin:
- United States
MSRP $5,122.58Surplus $1,662.50
Disclaimer: ARCA Supply is not an authorized distributor, reseller or representative of any manufacturer, brand or product listed. All product names, trademarks, brands and logos are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder. All items sold by ARCA Supply are covered under ARCA Supply's warranty and not the manufacturer warranty.