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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Schneider Electric QO120PCAFIC Miniature Circuit Breakers (MCBs) QO 1P 20A 120V 50/60Hz 1Ph
MSRP $290.00Surplus $37.71Schneider Electric QO120PCAFIC Miniature Circuit Breakers (MCBs) QO 1P 20A 120V 50/60Hz 1Ph​ ARCA SKU: C15-3665 Brand: Schneider Electric MPN: QO120PCAFIC UPC: 785901978435 Shipping Weight: 0.55...- SKU:
- C15-3665
- Volts:
- 120 V
- Amps:
- 20 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Number of Poles:
- 1
- Current Rating:
- 20 A
- Series:
- Q
- Country of Origin:
- Mexico
MSRP $290.00Surplus $37.71 -
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Schneider Electric QO120PDFC Miniature Circuit Breakers (MCBs) QO 1P 20A 120V 50/60Hz 1Ph Plug On Neutral
MSRP $282.00Surplus $101.52Schneider Electric QO120PDFC Miniature Circuit Breakers (MCBs) QO 1P 20A 120V 50/60Hz 1Ph Plug On Neutral​ ARCA SKU: C15-1626 Brand: Schneider Electric MPN: QO120PDFC UPC: 785901983477 Shipping...- SKU:
- C15-1626
- Volts:
- 120 V
- Amps:
- 20 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
MSRP $282.00Surplus $101.52 -
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Schneider Electric QO2100C Miniature Circuit Breakers (MCBs) QO 2P 100A 240V 50/60Hz 1Ph
MSRP $147.00Surplus $82.91Schneider Electric QO2100C Miniature Circuit Breakers (MCBs) QO 2P 100A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1659 Brand: Schneider Electric MPN: QO2100C UPC: 785901691235 Shipping Weight: 2.37 Shipping...- SKU:
- C15-1659
- Volts:
- 240 V
- Amps:
- 100 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
MSRP $147.00Surplus $82.91 -
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Schurter AS168X-CB3G300 Miniature Circuit Breakers (MCBs) 20A 480VAC
MSRP $160.00Surplus $117.77Schurter AS168X-CB3G300 Miniature Circuit Breakers (MCBs) 20A 480VAC​ ARCA SKU: C15-4438 Brand: Schurter MPN: AS168X-CB3G300 UPC: Shipping Weight: 0.90 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-4438
- Series:
- AS168X-CB3G300
- Volts:
- 480 VAC
- Amps:
- 20 A
MSRP $160.00Surplus $117.77 -
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SEFHM1 Circuit Breaker Accessories Handle
MSRP $342.00Surplus $109.36SEFHM1 Circuit Breaker Accessories Handle​ ARCA SKU: C15-2116 Brand: MPN: SEFHM1 UPC: 783164212426 Shipping Weight: 1.25 Shipping Height: 5.00 In. Shipping Length: 8.50 In...- SKU:
- C15-2116
- Short Description:
- OP MECH-DOOR MTD
MSRP $342.00Surplus $109.36 -
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SEHA36AT0060 Molded Case Breakers (MCCBs)
MSRP $1,177.81Surplus $358.98SKU: C15-8959 Brand: MPN: SEHA36AT0060 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-8959
- TS PIK:
- 112130946
MSRP $1,177.81Surplus $358.98 -
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SEMSK1 Circuit Breaker Accessories Mounting Screw Kit
Surplus $11.34SEMSK1 Circuit Breaker Accessories Mounting Screw Kit​ ARCA SKU: C15-3858 Brand: MPN: SEMSK1 UPC: 783164212594 Shipping Weight: 0.10 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-3858
- Mounting:
- Screw
- Number of Breakers:
- 0
- Poles:
- 0
- Type:
- Screw Mount Kit
- Used On:
- Spectra RMS SE150 Series Molded Case Circuit Breaker
- Short Description:
- Mounting Screw Kit with (4) #10-32 TPI x 2-7/8" Screw and Lock Washer for Spectra RMS SE150 Molded Case Circuit Breaker
- Specification/Technical:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00759_1_SPEC.pdf
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_217_CAT.pdf
Surplus $11.34 -
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Sensata Technologies Airpax IELHR11-1-62-15.0-91-V Miniature Circuit Breakers (MCBs) 2A 250VAC
MSRP $155.00Surplus $62.00Sensata Technologies Airpax IELHR11-1-62-15.0-91-V Miniature Circuit Breakers (MCBs) 2A 250VAC​ ARCA SKU: C15-4440 Brand: Sensata Technologies Airpax MPN: IELHR11-1-62-15.0-91-V UPC: Shipping...- SKU:
- C15-4440
- Volts:
- 250 VAC
- Amps:
- 2 A
- Series:
- IELHR11-1-62-15.0-91-V
MSRP $155.00Surplus $62.00 -
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Sensata Technologies Airpax IELR1-1-62-15 Miniature Circuit Breakers (MCBs) 15A
MSRP $75.00Surplus $19.45Sensata Technologies Airpax IELR1-1-62-15 Miniature Circuit Breakers (MCBs) 15A​ ARCA SKU: C15-4442 Brand: Sensata Technologies Airpax MPN: IELR1-1-62-15 UPC: Shipping Weight: 0.25 Shipping...- SKU:
- C15-4442
- Series:
- IELR1-1-62-15
- Amps:
- 15 A
MSRP $75.00Surplus $19.45 -
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Sensata Technologies Airpax IELR1-1-62-2.00-91 Miniature Circuit Breakers (MCBs) 2A 250V
MSRP $75.00Surplus $24.48Sensata Technologies Airpax IELR1-1-62-2.00-91 Miniature Circuit Breakers (MCBs) 2A 250V​ ARCA SKU: C15-4441 Brand: Sensata Technologies Airpax MPN: IELR1-1-62-2.00-91 UPC: Shipping Weight: 0...- SKU:
- C15-4441
- Volts:
- 250 V
- Amps:
- 2 A
- Series:
- IELR1-1-62-2.00-91
MSRP $75.00Surplus $24.48 -
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SF-409049 Molded Case Breakers (MCCBs) TED 3P 150A 480V
MSRP $4,700.00Surplus $1,692.00SKU: C15-4474 Brand: MPN: SF-409049 UPC: 783164204155 Shipping Weight: 4.15 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- C15-4474
- Frame Type:
- E150
- Voltage Rating:
- 480 V
- Current Rating:
- 150 A
- Number of Poles:
- 3
- Interrupting Rating:
- 14 kA at 600 VAC, 18 kA at 120/240/277/480 VAC, 10 kA at 125/250/500 VDC
- Terminal Type:
- Copper/Aluminum Line and Load Lug
- Short Description:
- 120/240/277/480/600 VAC, 125/250/500 VDC RATING
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_9_6_67_6_68_CA
- Specification/Technical:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00989_1_SPEC.pdf
MSRP $4,700.00Surplus $1,692.00 -
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SF-423144 Molded Case Breakers (MCCBs) TF 3P 100A 600V
MSRP $1,100.00Surplus $396.00SKU: C15-4520 Brand: MPN: SF-423144 UPC: Shipping Weight: 7.05 lbs. Shipping Height: 7.00 In. Shipping Length: 12.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-4520
- Voltage Rating:
- 600 V
- Current Rating:
- 100 A
- Number of Poles:
- 3
- Short Description:
- TF 3P 100A 600V
MSRP $1,100.00Surplus $396.00 -
Siemens 21-B123ED6 Circuit Breaker Accessories
MSRP $950.00Surplus $156.16SKU: C15-8869 Brand: Siemens MPN: 21-B123ED6 UPC: Shipping Weight: 5.95 lbs. Shipping Height: 5.00 In. Shipping Length: 19.00 In. Shipping Width: 7.00 In. Product...- SKU:
- C15-8869
MSRP $950.00Surplus $156.16 -
Siemens 21-B134EH3 Circuit Breaker Accessories
MSRP $850.00Surplus $156.32Siemens 21-B134EH3 Circuit Breaker Accessories​ ARCA SKU: C15-8873 Brand: Siemens MPN: 21-B134EH3 UPC: Shipping Weight: 7.30 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-8873
MSRP $850.00Surplus $156.32 -
Siemens 21-B143QJ6 Circuit Breaker Accessories
MSRP $850.00Surplus $107.62Siemens 21-B143QJ6 Circuit Breaker Accessories​ ARCA SKU: C15-8874 Brand: Siemens MPN: 21-B143QJ6 UPC: Shipping Weight: 8.90 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-8874
MSRP $850.00Surplus $107.62 -
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Siemens 21-B153FD6 Circuit Breaker Accessories
MSRP $708.22Surplus $231.92SKU: E30-8347 Brand: Siemens MPN: 21-B153FD6 UPC: Shipping Weight: 7.45 lbs. Shipping Height: 5.00 In. Shipping Length: 19.00 In. Shipping Width: 6.00 In. Product...- SKU:
- E30-8347
MSRP $708.22Surplus $231.92 -
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Siemens 3RV2021-1CA10 Motor Circuit Protector (MCPs) EA
MSRP $300.00Surplus $92.95Siemens 3RV2021-1CA10 Motor Circuit Protector (MCPs) EA​ ARCA SKU: C15-8988 Brand: Siemens MPN: 3RV2021-1CA10 UPC: Shipping Weight: 0.80 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-8988
- Short Description:
- 690 VAC 50/60 Hz, 1.8 to 2.5 A FLA, 33 A Instantaneous Short Circuit Release, 100 kA at 400 VAC, 1.5 HP, 3-Pole, NEMA Size S0, Screw Terminal, Screw/Snap-On/35 MM DIN Rail Mount, Rotary Handle, Class 10, Thermal Magnetic, Motor Starter Protector
- Catalog:
- SiemensAG_08112_7_29_CAT.pdf
- Number of Poles:
- 3
- Current Rating:
- 2.5 A at 400 V (Full Load)
- Type:
- Thermal Magnetic
- Voltage Rating:
- 690 VAC
- Size:
- 45 Millimeter Width x 97 Millimeter Depth x 97 Millimeter Height
- Terminal Type:
- Screw
- Maximum AC Voltage Rating:
- 690 V
- Data Sheet:
- SiemensAG_00151_1-7_DATA.pdf
- Series:
- 3RV2
MSRP $300.00Surplus $92.95 -
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Siemens 3TA2N8750 Circuit Breaker Accessories
MSRP $1,262.00Surplus $361.11SKU: C15-7655 Brand: Siemens MPN: 3TA2N8750 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7655
MSRP $1,262.00Surplus $361.11 -
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Siemens 3TF4010-OAK6 Molded Case Breakers (MCCBs)
MSRP $167.14Surplus $60.17Siemens 3TF4010-OAK6 Molded Case Breakers (MCCBs)​ ARCA SKU: E30-10155 Brand: Siemens MPN: 3TF4010-OAK6 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- E30-10155
MSRP $167.14Surplus $60.17 -
Siemens 3VAE250N3R Molded Case Breakers (MCCBs)
MSRP $819.00Surplus $258.07SKU: C15-11969 Brand: Siemens MPN: 3VAE250N3R UPC: Shipping Weight: 21.05 lbs. Shipping Height: 12.00 In. Shipping Length: 36.00 In. Shipping Width: 14.00 In...- SKU:
- C15-11969
- Short Description:
- BREAKER 3VA 250A ENCLOSURE TYP 3R
- Country of Origin:
- MEX
MSRP $819.00Surplus $258.07
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