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 MBK200M Miniature Circuit Breakers (MCBs) M2 2P 200A 120/240VAC 60Hz
MSRP $1,009.00Surplus $131.35SKU: C15-1494 Brand: Murray MPN: MBK200M UPC: 040892009378 Shipping Weight: 2.25 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1494
- Type:
- Fusible
- Amps:
- 32 A
- Used On:
- 200/225 A Rock Solid Loadcenter
- Enclosure:
- NEMA 3R
- Short Description:
- 120/240 VAC, 200 A, 22 kA, 2-Pole
- Catalog:
- SiemensAG_01821_22_23_CAT.pdf
- CAD Drawing:
- Eaton_41106_1_CAD.pdf
- Data Sheet:
- SiemensAG_06459_1_DATA.pdf
- Country of Origin:
- Mexico
MSRP $1,009.00Surplus $131.35 -
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Siemens MBKBC3 Circuit Breaker Accessories
MSRP $740.00Surplus $335.27SKU: C15-11555 Brand: Siemens MPN: MBKBC3 UPC: 78364327820 Shipping Weight: 2.25 lbs. Shipping Height: 5.00 In. Shipping Length: 14.00 In. Shipping Width: 9.00 In...- SKU:
- C15-11555
- TS PIK:
- 21368666
MSRP $740.00Surplus $335.27 -
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Siemens MBKFD3 Molded Case Breakers (MCCBs) 250A
MSRP $3,040.00Surplus $817.58SKU: L19-4946 Brand: Siemens MPN: MBKFD3 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- L19-4946
MSRP $3,040.00Surplus $817.58 -
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Siemens MBKFD3150 Molded Case Breakers (MCCBs)
Surplus $661.56SKU: C15-11532 Brand: Siemens MPN: MBKFD3150 UPC: 78364309618 Shipping Weight: 12.60 lbs. Shipping Height: 10.00 In. Shipping Length: 14.00 In. Shipping Width: 8.00...- SKU:
- C15-11532
- TS PIK:
- 115585191
Surplus $661.56 -
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Siemens MBKFD3175 Molded Case Breakers (MCCBs)
MSRP $10,812.00Surplus $2,697.34SKU: C15-7675 Brand: Siemens MPN: MBKFD3175 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7675
MSRP $10,812.00Surplus $2,697.34 -
Siemens MBKFD3225 Molded Case Breakers (MCCBs)
MSRP $4,000.00Surplus $1,476.12SKU: C15-11554 Brand: Siemens MPN: MBKFD3225 UPC: 78364309620 Shipping Weight: 12.70 lbs. Shipping Height: 10.00 In. Shipping Length: 13.00 In. Shipping Width: 8.00...- SKU:
- C15-11554
- TS PIK:
- 115585192
MSRP $4,000.00Surplus $1,476.12 -
Siemens MBKFD3225A Molded Case Breakers (MCCBs) EA
MSRP $9,000.00Surplus $802.17SKU: C15-9640 Brand: Siemens MPN: MBKFD3225A UPC: 887621791650 Shipping Weight: 12.95 lbs. Shipping Height: 9.00 In. Shipping Length: 15.00 In. Shipping Width: 10.00...- SKU:
- C15-9640
- TS PIK:
- 126055062
- Short Description:
- Mounting Kit for 600 V 3-Pole 225 A 65 kA FXD63B225 Panelboard Main Circuit Breaker
- Type:
- Mounting Kit
- Catalog:
- SiemensAG_00565_11_14_CAT.pdf
- Country of Origin:
- Mexico
- Used On:
- FXD6 Panelboard Circuit Breaker
MSRP $9,000.00Surplus $802.17 -
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Siemens MBKFD3250 Molded Case Breakers (MCCBs)
Surplus $1,011.12SKU: C15-11533 Brand: Siemens MPN: MBKFD3250 UPC: 78364309621 Shipping Weight: 12.70 lbs. Shipping Height: 8.00 In. Shipping Length: 13.00 In. Shipping Width: 10.00...- SKU:
- C15-11533
- TS PIK:
- 115585193
Surplus $1,011.12 -
Siemens MBKFD3A Circuit Breaker Accessories 50/60Hz
MSRP $1,325.00Surplus $377.72SKU: C15-1426 Brand: Siemens MPN: MBKFD3A UPC: 887621579098 Shipping Weight: 3.60 lbs. Shipping Height: 4.50 In. Shipping Length: 14.00 In. Shipping Width: 8.50 In...- SKU:
- C15-1426
- Type:
- Mounting Kit
- Type:
- Main/Sub Feed
- Used On:
- 250 A 3- Phase FD6/FXD6/HFD6/HFXD6 Circuit Breaker
- Used On:
- Revised P1 Panelboard
- Short Description:
- Mounting Kit with Filler for 250 A 3-Phase FD6/FXD6/HFD6/HFXD6 Frame Revised P1 Interior Panelboard Main/Subfeed Circuit Breaker
- Data Sheet:
- SiemensAG_06480_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00417_INST.pdf
- Catalog:
- SiemensAG_00565_11_13_CAT.pdf
- Country of Origin:
- United States
MSRP $1,325.00Surplus $377.72 -
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Siemens MBKJD3 Circuit Breaker Accessories
MSRP $229.99Surplus $320.24SKU: C15-11535 Brand: Siemens MPN: MBKJD3 UPC: 78364336948 Shipping Weight: 3.25 lbs. Shipping Height: 5.00 In. Shipping Length: 13.00 In. Shipping Width: 9.00 In...- SKU:
- C15-11535
- TS PIK:
- 118082410
MSRP $229.99Surplus $320.24 -
Siemens MBKJD3400 Molded Case Breakers (MCCBs)
MSRP $22,242.00Surplus $1,866.60SKU: C15-7484 Brand: Siemens MPN: MBKJD3400 UPC: 78364339279 Shipping Weight: 24.50 lbs. Shipping Height: 9.00 In. Shipping Length: 14.00 In. Shipping Width: 13.00 In...- SKU:
- C15-7484
- TS PIK:
- 115459160
- Catalog:
- SiemensAG_01822_1_CAT.pdf
- Number of Poles:
- 3
- Type:
- Mounting Kit
- Short Description:
- Mounting Kit for 3-Pole 400 A 65/35 kA JXD6 Frame JXD63B400 P1 Panelboard Main Circuit Breaker
- Country of Origin:
- Mexico
MSRP $22,242.00Surplus $1,866.60 -
Siemens MBKQJ1150 Molded Case Breakers (MCCBs)
MSRP $1,380.00Surplus $266.38SKU: C15-7485 Brand: Siemens MPN: MBKQJ1150 UPC: 78364309603 Shipping Weight: 5.55 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7485
- TS PIK:
- 120152286
- Type:
- Main
- Interrupting Rating:
- 10 kA at 240 VAC
- Short Description:
- Mounting Kit for 240 V 150 A 10 kA 2-Pole QJ2/QR2 Panelboard Main Breaker
- Current Rating:
- 150 A
- Number of Poles:
- 2
- Series:
- MBK
- Voltage Rating:
- 240/480 V
- Catalog:
- SiemensAG_01822_1_CAT.pdf
- Country of Origin:
- Mexico
MSRP $1,380.00Surplus $266.38 -
Siemens MBKQJ1150HA Circuit Breaker Accessories
MSRP $2,609.00Surplus $649.29SKU: C15-7486 Brand: Siemens MPN: MBKQJ1150HA UPC: 88762179137 Shipping Weight: 6.50 lbs. Shipping Height: 9.00 In. Shipping Length: 15.00 In. Shipping Width: 11.00...- SKU:
- C15-7486
- Short Description:
- RP1 BREAKER KIT 1PH 240V 42kA QJ22B150H
- Country of Origin:
- Mexico
MSRP $2,609.00Surplus $649.29 -
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Siemens MBKQJ1225 Circuit Breaker Accessories Breaker Mounting Kit
MSRP $1,600.00Surplus $664.56SKU: C15-3925 Brand: Siemens MPN: MBKQJ1225 UPC: 783643096059 Shipping Weight: 5.50 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-3925
- Application:
- Lighting
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Amps:
- 225 A
- Installation:
- 0
- Interrupting Rating:
- 10 Kiloampere at 240 VAC
- Poles:
- 2
- Trip Setting:
- 0
- Type:
- Main
- Used On:
- Panelboard
- Volts:
- 240/480 V
- Short Description:
- Mounting Kit for 240 V 225 A 10 kA 2-Pole QJ2/QR2 Panelboard Main Breaker
- Series:
- MBK
- Catalog:
- SiemensAG_01822_1_CAT.pdf
MSRP $1,600.00Surplus $664.56 -
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Siemens MBKQJ3 Circuit Breaker Accessories Circuit Breaker Mounting Kit 3Ph 3 Phase
MSRP $1,850.00Surplus $749.25SKU: C15-2272 Brand: Siemens MPN: MBKQJ3 UPC: Shipping Weight: 2.85 lbs. Shipping Height: 4.50 In. Shipping Length: 13.70 In. Shipping Width: 8.70 In. Product...- SKU:
- C15-2272
- Mounting:
- Bolt-On
- Number of Breakers:
- 0
- Poles:
- 2
- Poles:
- 3
- Type:
- Breaker Mounting Kit
- Used On:
- 225 A QJ2/QJH2/QJ2-H Frame Panelboard Mounting Circuit Breaker
- Short Description:
- Mounting Kit for 225 A 3-Phase QJ2/QJH2/QJ2H Frame P1 Interior Panelboard Main/Subfeed Circuit Breaker
- Data Sheet:
- SiemensAG_06487_1_DATA.pdf
- Catalog:
- SiemensAG_01822_2_CAT.pdf
MSRP $1,850.00Surplus $749.25 -
Siemens MBKQJ3125A Miniature Circuit Breakers (MCBs)
MSRP $3,087.00Surplus $929.94SKU: C15-7487 Brand: Siemens MPN: MBKQJ3125A UPC: 88762179009 Shipping Weight: 8.20 lbs. Shipping Height: 9.00 In. Shipping Length: 15.00 In. Shipping Width: 10.00 In...- SKU:
- C15-7487
- TS PIK:
- 115459205
- Series:
- Series MBK
- Used On:
- Sentron P1 Panelboard
- Type:
- Main
- Number of Poles:
- 3
- Catalog:
- SiemensAG_01822_1_CAT.pdf
- Short Description:
- Mounting Kit for 240 V 125 A 10 kA 3-Pole QJ2/QR2 Panelboard Main Breaker
- Interrupting Rating:
- 10 kA at 240 VAC (UL)
- Current Rating:
- 125 A
- Voltage Rating:
- 240 VAC at 60 Hz
- Country of Origin:
- Mexico
MSRP $3,087.00Surplus $929.94 -
Siemens MBKQJ3150 Molded Case Breakers (MCCBs)
MSRP $3,226.00Surplus $610.91SKU: C15-11537 Brand: Siemens MPN: MBKQJ3150 UPC: 78364309607 Shipping Weight: 7.75 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-11537
- TS PIK:
- 115585177
MSRP $3,226.00Surplus $610.91 -
Siemens MBKQR1200A Molded Case Breakers (MCCBs)
MSRP $721.00Surplus $277.99SKU: C15-11971 Brand: Siemens MPN: MBKQR1200A UPC: Shipping Weight: 6.05 lbs. Shipping Height: 10.00 In. Shipping Length: 15.00 In. Shipping Width: 10.00 In...- SKU:
- C15-11971
- TS PIK:
- 126797075
- Short Description:
- Mounting Kit with Strap for 240 VAC 1-Phase 2-Pole 200 A 10 kA QR2 Frame QR22B200 Revised P1 Panelboard Main Circuit Breaker
- Catalog:
- SiemensAG_00565_11_14_CAT.pdf
- Type:
- Mounting Kit
- Country of Origin:
- MEX
- Data Sheet:
- SiemensAG_06489_1_DATA.pdf
- Used On:
- 2-Pole 10 kA P1 Panelboard Low Vage Circuit Breaker
MSRP $721.00Surplus $277.99 -
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Siemens MBKQR1A Circuit Breaker Accessories EA
MSRP $750.00Surplus $319.20Siemens MBKQR1A Circuit Breaker Accessories EA​ ARCA SKU: C15-2431 Brand: Siemens MPN: MBKQR1A UPC: 804766162107 Shipping Weight: 2.40 lbs. Shipping Height: 4.50 In. Shipping...- SKU:
- C15-2431
- Short Description:
- RP1 KIT QR MAIN/SUBFEED BREAKER 1PH
MSRP $750.00Surplus $319.20 -
Siemens MBKVAM3150A Molded Case Breakers (MCCBs)
MSRP $1,675.00Surplus $657.53SKU: C15-11970 Brand: Siemens MPN: MBKVAM3150A UPC: Shipping Weight: 9.85 lbs. Shipping Height: 10.00 In. Shipping Length: 16.00 In. Shipping Width: 10.00 In...- SKU:
- C15-11970
- Short Description:
- RP1 150A MB KIT, 35kA 3PH 3VA52
- Country of Origin:
- CZE
MSRP $1,675.00Surplus $657.53
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