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 MN203CADNNNNNNC Circuit Breaker Accessories 3P 800-2000A
MSRP $2,648.00Surplus $1,975.05SKU: C15-2128 Brand: Eaton MPN: MN203CADNNNNNNC UPC: 786685504087 Shipping Weight: 25.00 lbs. Shipping Height: 24.00 In. Shipping Length: 24.00 In. Shipping Width: 24...- SKU:
- C15-2128
- Amps:
- 800-2000 A
- Poles:
- 3
- Short Description:
- EATON MAGNUM LOW VOLTAGE POWER CIRCUIT BREAKER CASSETTE, THREE-POLE, STANDARD FR
MSRP $2,648.00Surplus $1,975.05 -
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Eaton MN323UADNNNNNNC Circuit Breaker Accessories 3P 2500-3200A
MSRP $3,038.00Surplus $1,166.62SKU: C15-2149 Brand: Eaton MPN: MN323UADNNNNNNC UPC: 786685623214 Shipping Weight: 150.00 lbs. Shipping Height: 26.00 In. Shipping Length: 24.00 In. Shipping...- SKU:
- C15-2149
- Amps:
- 2500-3200 A
- Poles:
- 3
- Short Description:
- MAGNUM OEM ITEMS - ANSI OEM SECONDARY BACK PLANE WITH 3/4 IN. VERTICAL STABS, TH
MSRP $3,038.00Surplus $1,166.62 -
Eaton MOPEG240C Circuit Breaker Accessories Motor Operator 1A 240V EG Frame
MSRP $1,615.00Surplus $172.94SKU: C15-2354 Brand: Eaton MPN: MOPEG240C UPC: 786685221106 Shipping Weight: 2.10 lbs. Shipping Height: 4.50 In. Shipping Length: 6.75 In. Shipping Width: 3.75 In...- SKU:
- C15-2354
- Series:
- G
- Volts:
- 240 V
- Amps:
- 1 A
- Frame:
- EG
- Short Description:
- SERIES G: ELECTRICAL OPERATORS
- Country of Origin:
- China
MSRP $1,615.00Surplus $172.94 -
Eaton MOPJG24D Circuit Breaker Accessories JG 24VDC J-K Frame
MSRP $3,930.00Surplus $657.55SKU: C15-2353 Brand: Eaton MPN: MOPJG24D UPC: 786685299297 Shipping Weight: 2.80 lbs. Shipping Height: 5.00 In. Shipping Length: 5.50 In. Shipping Width: 5.00 In...- SKU:
- C15-2353
- Series:
- G
- Volts:
- 24 VDC
- Frame:
- J-K
- Short Description:
- C-H - JG MOTOR OPERATOR 24 VDC
- Country of Origin:
- United States
MSRP $3,930.00Surplus $657.55 -
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Eaton MOPLG120C Circuit Breaker Accessories Motor Operator 2A 127V/125VDC J-K Frame
MSRP $5,875.00Surplus $2,488.51SKU: C15-3057 Brand: Eaton MPN: MOPLG120C UPC: 786685584461 Shipping Weight: 8.35 lbs. Shipping Height: 8.00 In. Shipping Length: 10.00 In. Shipping Width: 9.00 In...- SKU:
- C15-3057
- Volts:
- 127 V/125 VDC
- Amps:
- 2 A
- Frame:
- J-K
- Short Description:
- C-H - LG MOTOR OPERATOR 120 VAC/DC
MSRP $5,875.00Surplus $2,488.51 -
Eaton MPLSS1132-2 Circuit Breaker Accessories EA
MSRP $42.46Surplus $16.50Eaton MPLSS1132-2 Circuit Breaker Accessories EA​ ARCA SKU: C15-9406 Brand: Eaton MPN: MPLSS1132-2 UPC: 78668906155 Shipping Weight: 2.50 lbs. Shipping Height: 7.00 In. Shipping...- SKU:
- C15-9406
- TS PIK:
- 127753021
- Short Description:
- EATON POWER PEDESTAL WATER MOUNTING PLATE WITH MOUNTING BRACKETS, LIGHTHOUSE SS/
- Country of Origin:
- United States
MSRP $42.46Surplus $16.50 -
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Eaton MPRMA Circuit Breaker Accessories Ground Alarm/Power Supply Module 120V EA For Use w/ Digitrip 520M Eaton Magnum
MSRP $1,188.25Surplus $489.99SKU: U23-1120 Brand: Eaton MPN: MPRMA UPC: 78211473169 Shipping Weight: 1.30 lbs. Shipping Height: 5.00 In. Shipping Length: 11.00 In. Shipping Width: 7.00 In...- SKU:
- U23-1120
- Short Description:
- EATON MAGNUM POWER RELAY MODULE, 120 VAC/DC, UNIVERSAL FRAME, DIGITRIP 520M/520M
- Volts:
- 120 V
- Type:
- Ground Alarm/Power Supply Module
- TS PIK:
- 121861081
MSRP $1,188.25Surplus $489.99 -
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Eaton mRCM-80/4/003 Miniature Circuit Breakers (MCBs) Type AC 4P 80A 120/240V 50/60Hz 3Ph
MSRP $615.00Surplus $117.75Eaton mRCM-80/4/003 Miniature Circuit Breakers (MCBs) Type AC 4P 80A 120/240V 50/60Hz 3Ph​ ARCA SKU: C15-1792 Brand: Eaton MPN: mRCM-80/4/003 UPC: Shipping Weight: 0.90 Shipping Height: 3...- SKU:
- C15-1792
- Volts:
- 120/240 V
- Amps:
- 80 A
- Poles:
- 4
- Frequency Rating:
- 50/60 Hz
MSRP $615.00Surplus $117.75 -
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Eaton MSECWR Circuit Breaker Accessories Secondary Terminal Wire Kit
MSRP $740.00Surplus $259.52SKU: C15-2925 Brand: Eaton MPN: MSECWR UPC: Shipping Weight: 1.05 lbs. Shipping Height: 6.00 In. Shipping Length: 8.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-2925
- Short Description:
- SECONDARY TERMINAL WIRE KIT
MSRP $740.00Surplus $259.52 -
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Eaton MST2 Trip Unit/UVR/Shunt Trip Accessories Shunt Trip Field Option Kit 240V 50/60Hz EA
MSRP $1,350.00Surplus $204.76Eaton MST2 Trip Unit/UVR/Shunt Trip Accessories Shunt Trip Field Option Kit 240V 50/60Hz EA​ ARCA SKU: A13-1018 Brand: Eaton MPN: MST2 UPC: 782114473337 Shipping Weight: 1.35 lbs. Shipping...- SKU:
- A13-1018
- TS PIK:
- 119836566
MSRP $1,350.00Surplus $204.76 -
Eaton MT2300T Trip Units MT 2P 300A 600V 50/60Hz
MSRP $4,350.00Surplus $523.90SKU: A13-1182 Brand: Eaton MPN: MT2300T UPC: Shipping Weight: 2.45 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In. Product...- SKU:
- A13-1182
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, TRIP UNIT, 300 A, TWO-POL
- Country of Origin:
- United States
MSRP $4,350.00Surplus $523.90 -
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Eaton MT2600T Trip Units MT 2P 600A 600V 50/60Hz
MSRP $3,834.00Surplus $1,224.56SKU: A13-1245 Brand: Eaton MPN: MT2600T UPC: 782114350218 Shipping Weight: 2.15 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- A13-1245
MSRP $3,834.00Surplus $1,224.56 -
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Eaton MT2700T Trip Units MT 2P 700A 600V 50/60Hz
MSRP $4,350.00Surplus $798.59SKU: A13-1211 Brand: Eaton MPN: MT2700T UPC: 782114350201 Shipping Weight: 2.15 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 8.00 In...- SKU:
- A13-1211
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, TRIP UNIT, 700 A, TWO-POL
- Country of Origin:
- United States
MSRP $4,350.00Surplus $798.59 -
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Eaton MT3300T Trip Units
MSRP $7,127.00Surplus $1,256.85SKU: C15-9792 Brand: Eaton MPN: MT3300T UPC: 78211435043 Shipping Weight: 2.15 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- C15-9792
- TS PIK:
- 115512101
MSRP $7,127.00Surplus $1,256.85 -
Eaton MT3350T Trip Units MT 3P 350A 600V 50/60Hz Series C
MSRP $4,993.00Surplus $1,396.50SKU: A13-1250 Brand: Eaton MPN: MT3350T UPC: 782114350423 Shipping Weight: 2.60 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In...- SKU:
- A13-1250
- Adjustment:
- Magnetic Trip
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 350 A
- Frame:
- M
- Poles:
- 3
- Type:
- Thermal Magnetic
- Specification/Technical:
- Eaton_62029_1_2_SPEC.pdf
- Current Rating:
- 350 A
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_349-V4T2_359_V4T2_485_CAT.pdf
- Number of Poles:
- 3
- Frame Type:
- M
- Country of Origin:
- United States
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, TRIP UNIT, 350 A, THREE-P
MSRP $4,993.00Surplus $1,396.50 -
Eaton MT3600T Trip Units MT 3P 600A 600V 50/60Hz
MSRP $4,993.00Surplus $1,611.96SKU: A13-1233 Brand: Eaton MPN: MT3600T UPC: 782114350157 Shipping Weight: 2.80 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In...- SKU:
- A13-1233
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 600 A
- Poles:
- 3
- Frame Type:
- M
- Adjustment:
- Magnetic Trip
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_349-V4T2_359_V4T2_485_CAT.pdf
- Number of Poles:
- 3
- Current Rating:
- 600 A
- Country of Origin:
- United States
MSRP $4,993.00Surplus $1,611.96 -
Eaton MTRMMNT Circuit Breaker Accessories Terminal Mounting Kit
MSRP $300.00Surplus $30.56Eaton MTRMMNT Circuit Breaker Accessories Terminal Mounting Kit​ ARCA SKU: C15-4297 Brand: Eaton MPN: MTRMMNT UPC: 821146346124 Shipping Weight: 2.25 Shipping Height: 5.00 In. Shipping...- SKU:
- C15-4297
- Type:
- Terminal Mounting Kit
MSRP $300.00Surplus $30.56 -
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Eaton MTST230V Circuit Breaker Accessories Functional Test Kit
MSRP $11,000.00Surplus $3,045.49SKU: C15-3224 Brand: Eaton MPN: MTST230V UPC: 782116137367 Shipping Weight: 4.90 lbs. Shipping Height: 6.00 In. Shipping Length: 14.00 In. Shipping Width: 14.00 In...- SKU:
- C15-3224
- Application:
- Universal Magnum/Digitrip 520/520M/520MC/1150 Series/310+ Electronic Trip Unit
- Application:
- C Series F Frame Molded Case Circuit Breaker
- Type:
- Electronic
- Type:
- Portable
- Volts:
- 100 to 230 VAC
- Specification/Technical:
- Eaton_60869_1_SPEC.pdf
- Catalog:
- Eaton_03777_14_CAT.pdf
MSRP $11,000.00Surplus $3,045.49 -
Eaton MUBHS332 Circuit Breaker Accessories Universal Bus Adapter Kit 3P 3200A
MSRP $924.00Surplus $231.43SKU: C15-4831 Brand: Eaton MPN: MUBHS332 UPC: 786685493077 Shipping Weight: 5.20 lbs. Shipping Height: 6.00 In. Shipping Length: 11.00 In. Shipping Width: 7.00 In...- SKU:
- C15-4831
- Amps:
- 3200 A
- Poles:
- 3
- Short Description:
- EATON MAGNUM ADAPTER KIT, THREE-POLE, STANDARD FRAME, UNIVERSAL INTERRUPT, UP TO
- Country of Origin:
- United States
MSRP $924.00Surplus $231.43 -
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Eaton MUVH1LP08K Circuit Breaker Accessories Undervoltage Release 110-127VAC 50/60Hz F Frame
MSRP $953.00Surplus $291.62SKU: C15-3752 Brand: Eaton MPN: MUVH1LP08K UPC: 786679391907 Shipping Weight: 0.30 lbs. Shipping Height: 2.90 In. Shipping Length: 5.60 In. Shipping Width: 3.30 In...- SKU:
- C15-3752
- Volts:
- 110-127 VAC
- Frequency Rating:
- 50/60 Hz
- Frame:
- F
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY UNDERVOLTAGE RELEASE, FIELD MOUNTED
MSRP $953.00Surplus $291.62
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