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
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- Qty in Cart
- Price
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Eaton LHMVD24R Circuit Breaker Accessories Rotary Handle Kit L Frame
MSRP $381.27Surplus $94.68Eaton LHMVD24R Circuit Breaker Accessories Rotary Handle Kit L Frame​ ARCA SKU: C15-1735 Brand: Eaton MPN: LHMVD24R UPC: 782116048953 Shipping Weight: 4.45 Shipping Height: 5.00 In...- SKU:
- C15-1735
- Frame:
- L
MSRP $381.27Surplus $94.68 -
Eaton LKD1 Circuit Breaker Accessories
MSRP $15.10Surplus $9.08Eaton LKD1 Circuit Breaker Accessories​ ARCA SKU: C15-2452 Brand: Eaton MPN: LKD1 UPC: 786679148402 Shipping Weight: 0.05 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-2452
- Series:
- C
- Type:
- Non-Padlockable
- Used On:
- F Frame Circuit Breaker
- Locking Provision:
- ON/OFF
- Short Description:
- ON/OFF Locking Provision, Non-Padlockable
- Catalog:
- Eaton_27487_V4T2_454_V4T2_494_CAT.pdf
- TS PIK:
- 21505165
- Country of Origin:
- United States
MSRP $15.10Surplus $9.08 -
Eaton LPC215 Circuit Breaker Accessories
MSRP $72.00Surplus $27.00SKU: C15-11491 Brand: Eaton MPN: LPC215 UPC: Shipping Weight: 1.15 lbs. Shipping Height: 3.00 In. Shipping Length: 11.00 In. Shipping Width: 8.00 In. Product...- SKU:
- C15-11491
- Short Description:
- 15 kV, 95 kV BIL, 200 A, Insulated, Loadbreak Protective Cap with Drain Wire and Cuff/Silicone Lubricant
- Type:
- Insulated
- Data Sheet:
- Eaton_57936_1_2_DATA.pdf
- Catalog:
- Eaton_57916_11_CAT.pdf
MSRP $72.00Surplus $27.00 -
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Eaton LST1LPK Shunt Trips 50/60Hz
MSRP $1,225.00Surplus $249.19Eaton LST1LPK Shunt Trips 50/60Hz​ ARCA SKU: A13-1017 Brand: Eaton MPN: LST1LPK UPC: 786679652107 Shipping Weight: 0.35 lbs. Shipping Height: 3.00 In. Shipping Length: 6.00 In...- SKU:
- A13-1017
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY SHUNT TRIP, LOW ENERGY FIELD INSTALL
- Type:
- CIRCUIT BREAKER SHUNT TRIP
MSRP $1,225.00Surplus $249.19 -
Eaton LST1RTK Circuit Breaker Accessories
MSRP $1,463.96Surplus $291.65SKU: C15-11223 Brand: Eaton MPN: LST1RTK UPC: 78667955366 Shipping Weight: 0.35 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 6.00 In...- SKU:
- C15-11223
- TS PIK:
- 107004612
- Country of Origin:
- Dominican Republic
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY SHUNT TRIP, LOW ENERGY FIELD INSTALL
MSRP $1,463.96Surplus $291.65 -
Eaton LST3LPK Circuit Breaker Accessories
MSRP $969.00Surplus $328.99SKU: C15-11797 Brand: Eaton MPN: LST3LPK UPC: 78667965212 Shipping Weight: 0.20 lbs. Shipping Height: 3.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11797
- TS PIK:
- 107005270
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY SHUNT TRIP, LOW ENERGY FIELD INSTALL
MSRP $969.00Surplus $328.99 -
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Eaton LT2500T Trip Units
MSRP $3,835.47Surplus $2,876.60SKU: A13-1564 Brand: Eaton MPN: LT2500T UPC: Shipping Weight: 2.55 lbs. Shipping Height: 7.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In. Product...- SKU:
- A13-1564
MSRP $3,835.47Surplus $2,876.60 -
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Eaton LT2600T Trip Units LT 2P 600A 600V 50/60Hz EA
MSRP $2,950.00Surplus $445.44SKU: A13-1135 Brand: Eaton MPN: LT2600T UPC: Shipping Weight: 2.55 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In. Product...- SKU:
- A13-1135
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, TRIP UNIT, 600 A, TWO-POL
- UOM:
- EA
- Poles:
- 2
- Volts:
- 600 V
- Amps:
- 600 A
- Type:
- LT
- Series:
- C Series
- Box Quantity:
- 1
MSRP $2,950.00Surplus $445.44 -
Eaton LT3300T Trip Units LT 3P 300A 600V 50/60Hz
MSRP $3,496.00Surplus $1,493.59SKU: A13-1238 Brand: Eaton MPN: LT3300T UPC: 786679580042 Shipping Weight: 2.55 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In...- SKU:
- A13-1238
- Adjustment:
- Magnetic Trip
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 300 A
- Frame:
- L
- Poles:
- 3
- Type:
- Thermal Magnetic
- Specification/Technical:
- Eaton_08942_1_2_SPEC.pdf
- Installation/Operator:
- Eaton_00487_INST.pdf
- Frame Type:
- L
- Current Rating:
- 300 A
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_323-V4T2_327_V4T2_484_CAT.pdf
- Number of Poles:
- 3
- Country of Origin:
- United States
MSRP $3,496.00Surplus $1,493.59 -
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Eaton LT3350FA Trip Units LT 3P 350A 600V 50/60Hz EA
MSRP $2,066.00Surplus $653.64SKU: A13-1342 Brand: Eaton MPN: LT3350FA UPC: Shipping Weight: 2.00 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 5.00 In. Product...- SKU:
- A13-1342
- Short Description:
- LT 3P TRIP UNIT_ 350A_ FIX THERM_ ADJ MAG (UL)
- UOM:
- EA
- Poles:
- 3
- Volts:
- 600 V
- Amps:
- 350 A
- Type:
- LT
- Series:
- G Series
- Box Quantity:
- 1
MSRP $2,066.00Surplus $653.64 -
Eaton LT3350T Trip Units LT 3P 350A 600V 50/60Hz
MSRP $3,496.00Surplus $1,589.35SKU: A13-1212 Brand: Eaton MPN: LT3350T UPC: 786679580059 Shipping Weight: 2.55 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 6.00 In...- SKU:
- A13-1212
- Adjustment:
- Magnetic Trip
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 350 A
- Frame:
- L
- Poles:
- 3
- Type:
- Thermal Magnetic
- Specification/Technical:
- Eaton_08945_1_2_SPEC.pdf
- Installation/Operator:
- Eaton_00487_INST.pdf
- Frame Type:
- L
- Current Rating:
- 350 A
- Number of Poles:
- 3
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_323-V4T2_327_V4T2_484_CAT.pdf
MSRP $3,496.00Surplus $1,589.35 -
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Eaton LT340033 Trip Units
MSRP $2,738.97Surplus $713.94SKU: A13-1606 Brand: Eaton MPN: LT340033 UPC: Shipping Weight: 2.55 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 5.00 In. Product...- SKU:
- A13-1606
- TS PIK:
- 120877413
- Country of Origin:
- United States
MSRP $2,738.97Surplus $713.94 -
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Eaton LT3400FA Molded Case Breakers (MCCBs)
Surplus $1,995.00SKU: A13-1181 Brand: Eaton MPN: LT3400FA UPC: 78211633623 Shipping Weight: 2.00 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 5.00 In...- SKU:
- A13-1181
- Adjustment:
- Magnetic Trip
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Amps:
- 400 A
- Frame:
- LG
- Poles:
- 3
- Type:
- Fixed Thermal
- Type:
- Adjustable Magnetic
- Short Description:
- 0
- Series:
- 0
- Specification/Technical:
- Eaton_62019_1_2_SPEC.pdf
- TS PIK:
- 120602136
Surplus $1,995.00 -
Eaton LT3450T Trip Units LT 3P 450A 600V 50/60Hz
MSRP $3,377.00Surplus $1,355.74SKU: A13-1042 Brand: Eaton MPN: LT3450T UPC: 786679222942 Shipping Weight: 2.75 lbs. Shipping Height: 5.70 In. Shipping Length: 8.50 In. Shipping Width: 5.30 In...- SKU:
- A13-1042
- Series:
- C, LT
- Type:
- Thermal Magnetic
- Amps:
- 450 A
- Poles:
- 3
- Frame Type:
- LD
- Frame Type:
- HLD
- Frame Type:
- LDC
- Short Description:
- 450 A, 3-Pole, LD/HLD/LDC Frame, Thermal Magnetic
- Catalog:
- Eaton_27487_V4T2_324_V4T2_326_V4T2_484_CAT.pdf
- Installation/Operator:
- Eaton_00487_INST.pdf
- Current Rating:
- 450 A
- Number of Poles:
- 3
MSRP $3,377.00Surplus $1,355.74 -
Eaton LT3500T Molded Case Breakers (MCCBs) 3P 500A
MSRP $3,692.79Surplus $799.34SKU: A13-1036 Brand: Eaton MPN: LT3500T UPC: 786679580073 Shipping Weight: 2.80 lbs. Shipping Height: 5.60 In. Shipping Length: 8.50 In. Shipping Width: 5.40 In...- SKU:
- A13-1036
- Adjustment:
- Magnetic Trip
- Approval:
- UL
- Approval:
- CE
- Amps:
- 500 A
- Frame:
- LD
- Frame:
- HLD
- Frame:
- LDC
- Poles:
- 3
- Type:
- Thermal Magnetic
- Short Description:
- 500 A, 3-Pole, LD/HLD/LDC Frame, Thermal Magnetic, Molded Case Circuit Breaker Trip Unit
- Specification/Technical:
- Eaton_08951_1_2_SPEC.pdf
- Installation/Operator:
- Eaton_00487_INST.pdf
- TS PIK:
- 21513707
- Frame Type:
- LD, HLD, LDC
- Number of Poles:
- 3
- Current Rating:
- 500 A
- Catalog:
- Eaton_27487_V4T2_324_V4T2_326_V4T2_484_CAT.pdf
- Country of Origin:
- United States
MSRP $3,692.79Surplus $799.34 -
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Eaton LT360032 Trip Units LT 3P 600A 600V 50/60Hz
MSRP $6,250.00Surplus $1,112.81SKU: A13-1172 Brand: Eaton MPN: LT360032 UPC: 782116365937 Shipping Weight: 2.30 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 5.00 In...- SKU:
- A13-1172
- Series:
- LT
- Type:
- Electronic
- Amps:
- 600 A
- Poles:
- 3
- Short Description:
- 600 A, 3-Pole, LG Frame, Electronic
- Catalog:
- Eaton_03771_V4T2_156_CAT.pdf
MSRP $6,250.00Surplus $1,112.81 -
Eaton LTS3K Circuit Breaker Accessories
MSRP $147.00Surplus $66.10Eaton LTS3K Circuit Breaker Accessories​ ARCA SKU: C15-2350 Brand: Eaton MPN: LTS3K UPC: 782116197941 Shipping Weight: 0.60 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-2350
- Type:
- Terminal Cover
- Used On:
- G Series LG Frame Molded Case Circuit Breaker
- Specification/Technical:
- Eaton_60661_1_2_SPEC.pdf
- TS PIK:
- 120395288
- Catalog:
- Eaton_03771_V4T2_162_V4T2_163_V4T2_218_CAT.pdf
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TERMINAL SHIELD KIT, TERMINAL SHIELD
- Country of Origin:
- United States
MSRP $147.00Surplus $66.10 -
Eaton LW3800VW Molded Case Breakers (MCCBs) LW 3P 800A 690V 50/60Hz 3Ph L Frame
MSRP $16,368.70Surplus $2,257.51SKU: C15-1916 Brand: Eaton MPN: LW3800VW UPC: Shipping Weight: 25.55 lbs. Shipping Height: 9.00 In. Shipping Length: 19.00 In. Shipping Width: 11.00 In. Product...- SKU:
- C15-1916
- Frame Type:
- L
- Voltage Rating:
- 600 VAC
- Current Rating:
- 800 A
- Number of Poles:
- 3
- Interrupting Rating:
- 45 kA at 415 Vac
- Short Description:
- Eaton Series C complete molded case circuit breaker, L-frame, LW, Complete breaker, Interchangeable thermal-magnetic trip type, Three-pole, 800A, 690 Vac, 250 Vdc, 45 kA at 415 Vac, Without terminals, World
- Series:
- C
MSRP $16,368.70Surplus $2,257.51 -
Eaton M12CS Circuit Breaker Accessories
MSRP $366.00Surplus $164.84SKU: C15-11615 Brand: Eaton MPN: M12CS UPC: 78211466712 Shipping Weight: 1.35 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 2.00 In...- SKU:
- C15-11615
- TS PIK:
- 124263779
- Short Description:
- CELL SWITCH,IEC, 3-12PT W/MTG SHIELD KIT
MSRP $366.00Surplus $164.84 -
Eaton M3RRG2000 Circuit Breaker Accessories EA
MSRP $4,752.00Surplus $916.96SKU: C15-9645 Brand: Eaton MPN: M3RRG2000 UPC: 78211475205 Shipping Weight: 16.85 lbs. Shipping Height: 8.00 In. Shipping Length: 13.00 In. Shipping Width: 13.00 In...- SKU:
- C15-9645
- TS PIK:
- 121861112
- Type:
- Sensor/Rating Plug Field Change-Out Kit
- Used On:
- Double Standard Magnum Frame Circuit Breaker
- Catalog:
- EatonCorp-CutlerHammer_00007_64_CAT.pdf
- Country of Origin:
- United States
- Short Description:
- EATON MAGNUM SENSOR AND RATING PLUG KIT, 2000A, THREE-POLE, DOUBLE STANDARD, UP
MSRP $4,752.00Surplus $916.96
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