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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Siemens ECINSGB14 Circuit Breaker Accessories EA
MSRP $74.00Surplus $26.73Siemens ECINSGB14 Circuit Breaker Accessories EA​ ARCA SKU: C15-6171 Brand: Siemens MPN: ECINSGB14 UPC: 78364345248 Shipping Weight: 0.35 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-6171
- Short Description:
- 110" D, 14-Position, Load Center Ground Bar Kit
- Used On:
- Load Center
- Data Sheet:
- SiemensAG_01632_1_DATA.pdf
- Country of Origin:
- Mexico
MSRP $74.00Surplus $26.73 -
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Siemens ECINSGB20 Circuit Breaker Accessories 50/60Hz
MSRP $51.50Surplus $25.06Siemens ECINSGB20 Circuit Breaker Accessories 50/60Hz​ ARCA SKU: C15-1441 Brand: Siemens MPN: ECINSGB20 UPC: 783643452497 Shipping Weight: 0.38 Shipping Height: 3.60 In. Shipping...- SKU:
- C15-1441
- Used On:
- Ultimate Loadcenter
- Terminal Size:
- 20 Terminal (14 to 4 AWG)
- Short Description:
- 241.48" D, 20-Terminal, 14 to 4 AWG
- Catalog:
- SiemensAG_01808_1_22_CAT.pdf
- Data Sheet:
- SiemensAG_05781_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00280_INST.pdf
MSRP $51.50Surplus $25.06 -
Siemens ECINSGB5 Circuit Breaker Accessories
MSRP $62.00Surplus $14.34Siemens ECINSGB5 Circuit Breaker Accessories​ ARCA SKU: L19-5046 Brand: Siemens MPN: ECINSGB5 UPC: 783643452831 Shipping Weight: 0.10 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- L19-5046
- Catalog:
- SiemensAG_01808_1_22_CAT.pdf
- Short Description:
- 243.42" D, 100 A, 5-Terminal, 14 to 4 AWG, Insulated Ground Bar Kit for Legacy Load Center
- Installation/Operator:
- SiemensAG_00281_INST.pdf
- Used On:
- Ultimate Loadcenter
- Data Sheet:
- SiemensAG_05782_1_DATA.pdf
- Country of Origin:
- Mexico
MSRP $62.00Surplus $14.34 -
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Siemens ECPLD1 Circuit Breaker Accessories Padlock Device 1P 50/60Hz 3BOX
MSRP $30.00Surplus $10.64Siemens ECPLD1 Circuit Breaker Accessories Padlock Device 1P 50/60Hz 3BOX​ ARCA SKU: C15-1424 Brand: Siemens MPN: ECPLD1 UPC: Shipping Weight: 0.10 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-1424
- Accessory Type:
- 1-Pole Padlocking Device
- Used On:
- QP/BL/QAF2/QPF/QE/QT-Duplex/BQ/BQXD Circuit Breaker
- Short Description:
- Padlocking Device for 1-Pole BL/QE/BQ Frame Twin Type Circuit Breaker (3 per Pack)
- Series:
- ECP
- Specification/Technical:
- SiemensAG_01960_1-4_SPEC.pdf
- Data Sheet:
- SiemensAG_05820_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00296_INST.pdf
- Catalog:
- SiemensAG_01754_5_81_10_51_CAT.pdf
- Type:
- 1-Pole Padlocking Device
MSRP $30.00Surplus $10.64 -
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Siemens ECPLD2 Circuit Breaker Accessories Padlock Device 2P 50/60Hz 5BOX
MSRP $58.00Surplus $13.64Siemens ECPLD2 Circuit Breaker Accessories Padlock Device 2P 50/60Hz 5BOX​ ARCA SKU: C15-1425 Brand: Siemens MPN: ECPLD2 UPC: Shipping Weight: 0.30 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-1425
- Type:
- Padlocking Device
- Used On:
- QP/BL/QAF2/QPF/QE/QT-Triplex
- Used On:
- 2 Inch Quadplex/BQ Circuit Breaker
- Short Description:
- 2-Pole, Padlocking Device for BL/QE/BQ Frame Quad Type Circuit Breaker (3 per Pack)
- Specification/Technical:
- SiemensAG_57239_1_2_SPEC.pdf
- Installation/Operator:
- SiemensAG_01043_INST.pdf
MSRP $58.00Surplus $13.64 -
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Siemens ECQL1 Circuit Breaker Accessories Handle Blocking Device 1P 10BOX
MSRP $22.00Surplus $3.70Siemens ECQL1 Circuit Breaker Accessories Handle Blocking Device 1P 10BOX​ ARCA SKU: C15-2433 Brand: Siemens MPN: ECQL1 UPC: Shipping Weight: 0.10 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-2433
- Type:
- Blocking
- Used On:
- QP/BL/BQ/BQXD Series Plug-On Circuit Breaker
- Poles:
- 1
- Locking Provision:
- On/Off
- Short Description:
- 1-Pole, On/Off, Plug-In
- Catalog:
- SiemensAG_01502_1_16_5_139_5_140_10_57_11_7_11_17_CAT.pdf
- Data Sheet:
- SiemensAG_01512_1_DATA.pdf
MSRP $22.00Surplus $3.70 -
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Siemens ECQLD3 Circuit Breaker Accessories Handle Blocking Device 1P
MSRP $22.00Surplus $6.71Siemens ECQLD3 Circuit Breaker Accessories Handle Blocking Device 1P​ ARCA SKU: C15-3522 Brand: Siemens MPN: ECQLD3 UPC: Shipping Weight: 0.05 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-3522
- Accessory Type:
- 1-Pole Padlocking Device
- Used On:
- QP/BL/BQ/BQXD Circuit Breaker
- Short Description:
- Padlocking Device for BQ/BQH/BL/BLH Frame Circuit Breaker
- Series:
- ECQ
- Data Sheet:
- SiemensAG_05828_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00299_INST.pdf
- Type:
- 1-Pole Padlocking Device
- Catalog:
- SiemensAG_01754_1_16_5_81_5_82_CAT.pdf
MSRP $22.00Surplus $6.71 -
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Siemens ED21B020 Molded Case Breakers (MCCBs)
MSRP $374.00Surplus $107.73Siemens ED21B020 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-6172 Brand: Siemens MPN: ED21B020 UPC: 78364320871 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6172
- TS PIK:
- 21367310
- Current Rating:
- 20 A
MSRP $374.00Surplus $107.73 -
Siemens ED22B015 Molded Case Breakers (MCCBs) 2P 15A 240V
MSRP $928.00Surplus $221.09SKU: C15-6173 Brand: Siemens MPN: ED22B015 UPC: 78364320883 Shipping Weight: 2.60 lbs. Shipping Height: 3.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In...- SKU:
- C15-6173
- TS PIK:
- 111048810
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Voltage Rating:
- 240 VAC at 50/60 Hz, 125/250 VDC (UL)
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Terminal Type:
- Load Lug
- Size:
- 2 Inch W x 4.56 Inch D x 6.35 Inch H
- Number of Poles:
- 2
- Short Description:
- 240 VAC 50/60 Hz, 125/250 VDC, 15 A at 40 Deg C, 10 kA, 2-Pole, 14 to 10 AWG Copper/12 to 10 AWG Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Series:
- ED2
- Current Rating:
- 15 A
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Interrupting Rating:
- 10 kA at 240 VAC, 5 kA at 250 VDC (UL)
- Country of Origin:
- Mexico
MSRP $928.00Surplus $221.09 -
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Siemens ED22B030 Molded Case Breakers (MCCBs) 2P 30A 240V
MSRP $851.00Surplus $306.36SKU: C15-6263 Brand: Siemens MPN: ED22B030 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6263
MSRP $851.00Surplus $306.36 -
Siemens ED22B060L Molded Case Breakers (MCCBs)
MSRP $928.00Surplus $131.21SKU: C15-8762 Brand: Siemens MPN: ED22B060L UPC: 78364308979 Shipping Weight: 2.60 lbs. Shipping Height: 3.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In...- SKU:
- C15-8762
- TS PIK:
- 115554945
- Voltage Rating:
- 240 VAC at 50/60 Hz, 125/250 VDC (UL)
- Terminal Type:
- Line Lug
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Current Rating:
- 60 A
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA at 240 VAC, 5 kA at 250 VDC (UL)
- Series:
- ED2
- Short Description:
- 240 VAC 50/60 Hz, 125/250 VDC, 60 A at 40 Deg C, 10 kA, 2-Pole, 10 to 1/0 AWG Copper/Aluminum, Line/Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Size:
- 2 Inch W x 4.56 Inch D x 6.35 Inch H
- Country of Origin:
- Mexico
MSRP $928.00Surplus $131.21 -
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Siemens ED23B020 Molded Case Breakers (MCCBs)
MSRP $1,265.00Surplus $400.66SKU: C15-7417 Brand: Siemens MPN: ED23B020 UPC: 78364320897 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7417
- TS PIK:
- 21367336
- Size:
- 3 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
- Voltage Rating:
- 240 V AC
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Short Description:
- 240 VAC 50/60 Hz, 20 A at 40 Deg C, 10 kA, 3-Pole, 14 to 10 AWG Copper/12 to 10 AWG Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Maximum AC Voltage Rating:
- 240 V
- Current Rating:
- 20 A
- Terminal Type:
- Load Lug
- Series:
- ED2
- Frame Type:
- ED
- Type:
- Molded Case, Thermal Magnetic
- Interrupting Rating:
- 10 kA at 240 V AC (UL 489)
- Number of Poles:
- 3
- Installation/Operator:
- SiemensAG_00313_INST.pdf
MSRP $1,265.00Surplus $400.66 -
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Siemens ED23B030 Molded Case Breakers (MCCBs) 3P 30A 240V
MSRP $1,265.00Surplus $291.06Siemens ED23B030 Molded Case Breakers (MCCBs) 3P 30A 240V​ ARCA SKU: C15-7543 Brand: Siemens MPN: ED23B030 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7543
MSRP $1,265.00Surplus $291.06 -
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Siemens ED23B070 Molded Case Breakers (MCCBs)
MSRP $1,801.00Surplus $254.41SKU: C15-7419 Brand: Siemens MPN: ED23B070 UPC: 78364320905 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7419
- TS PIK:
- 21367344
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Interrupting Rating:
- 10 kA at 240 VAC (UL)
- Current Rating:
- 70 A at 40 Deg C
- Number of Poles:
- 3
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Series:
- ED2
- Terminal Type:
- Load Lug
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Short Description:
- 240 VAC 50/60 Hz, 70 A at 40 Deg C, 10 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Size:
- 3 Inch W x 4.56 Inch D x 6.35 Inch H
MSRP $1,801.00Surplus $254.41 -
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Siemens ED23B080 Molded Case Breakers (MCCBs)
MSRP $1,801.00Surplus $532.00SKU: C15-7420 Brand: Siemens MPN: ED23B080 UPC: 78364320906 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7420
- TS PIK:
- 21367345
- Terminal Type:
- Load Lug
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Type:
- Thermal Magnetic
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Size:
- 3 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
- Voltage Rating:
- 240 V AC
- Number of Poles:
- 3
- Short Description:
- 240 VAC 50/60 Hz, 80 A at 40 Deg C, 10 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Current Rating:
- 80 A
- Series:
- ED2
- Interrupting Rating:
- 10 kA at 240 V AC (UL 489)
- Frame Type:
- ED
MSRP $1,801.00Surplus $532.00 -
Siemens ED23B090L Molded Case Breakers (MCCBs)
MSRP $1,964.00Surplus $303.53SKU: C15-7421 Brand: Siemens MPN: ED23B090L UPC: 78364300313 Shipping Weight: 3.65 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7421
- TS PIK:
- 115555519
- Short Description:
- BRKR ED2 3P 240V 90A LUG
- Country of Origin:
- Mexico
MSRP $1,964.00Surplus $303.53 -
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Siemens ED23S100A Molded Case Breakers (MCCBs)
MSRP $1,397.00Surplus $502.92Siemens ED23S100A Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7680 Brand: Siemens MPN: ED23S100A UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7680
MSRP $1,397.00Surplus $502.92 -
Siemens ED41B015 Molded Case Breakers (MCCBs)
MSRP $498.00Surplus $179.28Siemens ED41B015 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-6264 Brand: Siemens MPN: ED41B015 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6264
- TS PIK:
- 119495727
MSRP $498.00Surplus $179.28 -
Siemens ED41B020 Molded Case Breakers (MCCBs) 20A 277V
MSRP $543.00Surplus $83.49Siemens ED41B020 Molded Case Breakers (MCCBs) 20A 277V​ ARCA SKU: C15-6092 Brand: Siemens MPN: ED41B020 UPC: 78364320909 Shipping Weight: 3.90 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6092
- TS PIK:
- 115270815
- Terminal Type:
- Load Lug
- Series:
- ED4
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Maximum AC Voltage Rating:
- 277 V
- Short Description:
- 120/277 VAC 50/60 Hz, 125 VDC, 20 A at 40 Deg C, 22 kA, 1-Pole, 14 to 10 AWG Copper/12 to 10 AWG Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Voltage Rating:
- 120/277 VAC, 125 VDC
- Type:
- Molded Case, Thermal Magnetic
- Maximum DC Voltage Rating:
- 125 V
- Current Rating:
- 20 A
- Size:
- 1 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
- Frame Type:
- ED
- Number of Poles:
- 1
- Interrupting Rating:
- 65 kA at 120 VAC, 22 kA at 277 VAC, 30 kA at 125 VDC (UL 489)
- Country of Origin:
- Mexico
MSRP $543.00Surplus $83.49 -
Siemens ED41B030 Molded Case Breakers (MCCBs) 30A 277V
MSRP $543.00Surplus $134.85Siemens ED41B030 Molded Case Breakers (MCCBs) 30A 277V​ ARCA SKU: C15-4874 Brand: Siemens MPN: ED41B030 UPC: 78364320911 Shipping Weight: 1.20 lbs. Shipping Height: 1.00 In...- SKU:
- C15-4874
- Series:
- ED4
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Size:
- 1 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
- Volts:
- 120/277 VAC
- Volts:
- 125 VDC
- Amps:
- 30 A
- Poles:
- 1
- Interrupting Rating:
- 65 kA at 120 VAC (UL 489)
- Interrupting Rating:
- 22 kA at 277 Volt AC (UL 489)
- Interrupting Rating:
- 30 kA at 125 Volt DC (UL 489)
- Terminal Type:
- Load Lug
- Frame Type:
- ED
- Short Description:
- 120/277 VAC 50/60 Hz, 125 VDC, 30 A at 40 Deg C, 22 kA, 1-Pole, 10 to 4 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- TS PIK:
- 127544541
- Current Rating:
- 30 A
- Number of Poles:
- 1
- Voltage Rating:
- 120/277 VAC, 125 VDC
- Country of Origin:
- Mexico
MSRP $543.00Surplus $134.85
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