
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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GENERAL ELECTRIC THED113020 Molded Case Breakers (MCCBs) EA
MSRP $1,069.25Surplus $100.34GENERAL ELECTRIC THED113020 Molded Case Breakers (MCCBs) EA ARCA SKU: C15-3082 Brand: GENERAL ELECTRIC MPN: THED113020 UPC: 78316413867 Shipping Weight: 1.45 lbs. Shipping Height: 4...- SKU:
- C15-3082
- TS PIK:
- 112128663
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00116_INST.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_04182_1_CAD.pdf
- Short Description:
- 277 VAC, 20 A, 65 kA, 1-Pole, Copper/Aluminum Load Lug Terminal, Thermal Magnetic, Non-Interchangeable, Molded Case Circuit Breaker
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01912_6_67_CAT.pdf
- Terminal Type:
- Copper/Aluminum Load Lug
- Current Rating:
- 20 A
- Number of Poles:
- 1
- Type:
- Thermal Magnetic
MSRP $1,069.25Surplus $100.34 -
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GENERAL ELECTRIC THQB2125 Miniature Circuit Breakers (MCBs) 2P 25A 120V
MSRP $126.75Surplus $36.31GENERAL ELECTRIC THQB2125 Miniature Circuit Breakers (MCBs) 2P 25A 120V ARCA SKU: C15-5976 Brand: GENERAL ELECTRIC MPN: THQB2125 UPC: 78316405982 Shipping Weight: 0.75 lbs. Shipping...- SKU:
- C15-5976
- Current Rating:
- 25 A
- Type:
- Thermal Magnetic, Compact
- Terminal Type:
- Bolt-On
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Short Description:
- 120/240 VAC, 25 A, 10 kA, 2-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Bolt-On Mount, Q-Line Frame, Molded Case, Non-Interchangeable/Common Trip, Compact, Fixed Thermal Magnetic, Circuit Breaker
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- Mounting:
- Bolt-On
- Number of Poles:
- 2
MSRP $126.75Surplus $36.31 -
GENERAL ELECTRIC THQL1115GFT Miniature Circuit Breakers (MCBs) 1P 15A EA
MSRP $309.40Surplus $26.60GENERAL ELECTRIC THQL1115GFT Miniature Circuit Breakers (MCBs) 1P 15A EA ARCA SKU: C15-5926 Brand: GENERAL ELECTRIC MPN: THQL1115GFT UPC: 78316448529 Shipping Weight: 0.30 lbs. Shipping...- SKU:
- C15-5926
- Type:
- Compact
- Terminal Type:
- Plug-On
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 15 A
- Number of Poles:
- 1
- Interrupting Rating:
- 10 kA at 120 VAC
- Short Description:
- 120/240 VAC, 15 A, 10 kA, 1-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Common Trip, Compact, Fixed Thermal Magnetic, Ground Fault, Self-Test, Circuit Breaker
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_32_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- Specification/Technical:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00341_1_2_SPEC.pdf
- TS PIK:
- 126205042
- Mounting:
- Plug-On
- Approval:
- UL
- Maximum AC Voltage Rating:
- 240 V
MSRP $309.40Surplus $26.60 -
Leviton LB115-T Miniature Circuit Breakers (MCBs)
MSRP $12.54Surplus $6.08SKU: C15-11935 Brand: Leviton MPN: LB115-T UPC: Shipping Weight: 0.40 lbs. Shipping Height: 1.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In. Product...- SKU:
- C15-11935
- TS PIK:
- 18
- Country of Origin:
- CHN
MSRP $12.54Surplus $6.08 -
Leviton LB120-T Miniature Circuit Breakers (MCBs)
MSRP $12.54Surplus $6.97SKU: C15-11942 Brand: Leviton MPN: LB120-T UPC: Shipping Weight: 0.50 lbs. Shipping Height: 1.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In. Product...- SKU:
- C15-11942
- TS PIK:
- 18
- Country of Origin:
- CHN
MSRP $12.54Surplus $6.97 -
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Murray MP115 Miniature Circuit Breakers (MCBs) 1P 15A 50/60Hz 1Ph EA
MSRP $39.00Surplus $6.51Murray MP115 Miniature Circuit Breakers (MCBs) 1P 15A 50/60Hz 1Ph EA ARCA SKU: C15-6289 Brand: Murray MPN: MP115 UPC: 04089251888 Shipping Weight: 0.65 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6289
- TS PIK:
- 21029779
- Series:
- MP-T
- Short Description:
- 120 V, 15 A, 10 kA, 1-Pole, Load Lug Terminal, MP-T Frame, Thermal Magnetic, Low Vage, Miniature, Circuit Breaker
- Mounting:
- Plug-On
- Voltage Rating:
- 120 VAC
- Number of Poles:
- 1
- Current Rating:
- 15 A
- Size:
- 1 Inch W x 3 Inch D x 3 1/8 Inch H
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Load Lug
- Wire Size:
- 16 to 14 AWG (Copper/Aluminum)
- Used On:
- Loadcenter
- Data Sheet:
- SiemensAG_01513_1_DATA.pdf
- Country of Origin:
- Mexico
MSRP $39.00Surplus $6.51 -
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O-Z / GEDNEY SR-150-1375 Conduit Fittings EA
MSRP $56.94Surplus $21.78O-Z / GEDNEY SR-150-1375 Conduit Fittings EA ARCA SKU: C26-5902 Brand: O-Z / GEDNEY MPN: SR-150-1375 UPC: 30783126506748 Shipping Weight: 1.70 Shipping Height: 4.00 In. Shipping...- SKU:
- C26-5902
- Series:
- SR
- Type:
- Straight Male
- Approval:
- UL
- Approval:
- CSA
- Material:
- Zinc Plated Malleable Iron Body/Gland Nut
- Material:
- Neoprene Grommet
- Material:
- Nylon Gripper
- Material:
- PVC/Buna-N Sealing Ring
- Material:
- Zinc Plated Steel Locknut
- Size:
- 2-1/2 Inch Dia x 1-5/8 Inch L
- Application:
- Liquidtight
- Application:
- Oiltight
- Application:
- Raintight
- Application:
- Strain Relief
- Application:
- Wet/Hazardous Location
- Cord Size:
- 1 to 1.375 Inch
- Thread Size:
- 1-1/2 Inch
- Short Description:
- 1-1/2" NPT, 1 to 1.38" Cord, 1.38" Throat, Zinc Plated Malleable Iron, Dual Grommet Style, Straight
- Catalog:
- EmersonElectricCo-Appleton_00012_322_CAT.pdf
MSRP $56.94Surplus $21.78 -
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Schneider Electric GB2CD09 Miniature Circuit Breakers (MCBs)
MSRP $52.00Surplus $9.95Schneider Electric GB2CD09 Miniature Circuit Breakers (MCBs) ARCA SKU: E27-5166 Brand: Schneider Electric MPN: GB2CD09 UPC: 13389110214915 Shipping Weight: 0.15 lbs. Shipping Height: 3.00...- SKU:
- E27-5166
- Catalog:
- SchneiderElectric_00260_24_25_CAT.pdf
- Mounting:
- DIN Rail
- Series:
- GB2
- Data Sheet:
- SchneiderElectric_05226_1-3_DATA.pdf
- Wire Size:
- 16 to 12 AWG
- Number of Poles:
- 2
- Voltage Rating:
- 110/230/240 VAC at 50/60 Hz
- Short Description:
- 230/240 VAC, 4 A, 3 kA, 2-Pole, Rail Mount, Thermal Magnetic, Circuit Protector
- Type:
- Thermal Magnetic
- Size:
- 15 MM W x 67 MM D x 74 MM H
- Current Rating:
- 4 A
- Interrupting Rating:
- 6 kA at 110 VAC, 3 kA at 230/240 VAC (IEC)
MSRP $52.00Surplus $9.95 -
Siemens BQ3B050 Miniature Circuit Breakers (MCBs) EA
MSRP $614.00Surplus $88.13Siemens BQ3B050 Miniature Circuit Breakers (MCBs) EA ARCA SKU: C15-6144 Brand: Siemens MPN: BQ3B050 UPC: 78364310262 Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6144
- TS PIK:
- 21366198
- Mounting:
- Bolt-On
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Short Description:
- 240 VAC, 50 A, 10 kA Interrupt, 3-Pole, BQ-Frame, Load Lug Terminal, Bolt-On Mount, Thermal Magnetic, Common Trip, Molded Case Circuit Breaker
- Current Rating:
- 50 A
- Series:
- BQ
- Number of Poles:
- 3
- Type:
- Molded Case, Thermal and Fixed Magnetic Trip, Common Trip
- Catalog:
- SiemensAG_00876_1_5_5_18_5_24_CAT.pdf
- Terminal Type:
- Load Lug
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Interrupting Rating:
- 10 kA at 240 VAC Symmetrical (UL)
- Size:
- 3 Inch W x 3 Inch D x 3-3/4 Inch H
- Country of Origin:
- Mexico
MSRP $614.00Surplus $88.13 -
Siemens BQD320 Miniature Circuit Breakers (MCBs) 3P 20A
MSRP $1,202.00Surplus $207.48SKU: C15-6236 Brand: Siemens MPN: BQD320 UPC: 78364327735 Shipping Weight: 1.75 lbs. Shipping Height: 4.49 In. Shipping Length: 3.00 In. Shipping Width: 2.70 In...- SKU:
- C15-6236
- TS PIK:
- 126054963
- Current Rating:
- 20 A
- Number of Poles:
- 3
- Catalog:
- SiemensAG_00876_5_18_5_20_CAT.pdf
- Voltage Rating:
- 480 Star/277 VAC 50/60 Hertz
- Interrupting Rating:
- 14 kA at 480 Star/277 VAC
- Type:
- Branch, Molded Case, Thermal and Fixed Magnetic
- Short Description:
- 480 VAC Star/277 VAC, 20 A, 14 kA, 3-Pole, Bolt-On Mount, Molded Case, Branch, Thermal Magnetic, Panelboard Circuit Breaker
- Data Sheet:
- SiemensAG_01618_1_DATA.pdf
- Used On:
- Panelboard
- Country of Origin:
- Mexico
MSRP $1,202.00Surplus $207.48 -
Siemens LN1E100 Circuit Breaker Accessories EA
Surplus $19.63Siemens LN1E100 Circuit Breaker Accessories EA ARCA SKU: L20-3290 Brand: Siemens MPN: LN1E100 UPC: 78364314696 Shipping Weight: 0.01 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- L20-3290
- Country of Origin:
- Mexico
- Installation/Operator:
- SiemensAG_00392_INST.pdf
- Type:
- Line/Load Lug
- Short Description:
- 10 to 1/0 AWG Copper, Line Side, Lug for 1/2/3-Pole 30 to 100 A ED Frame Molded Case Circuit Breaker
- Catalog:
- SiemensAG_00564_7_3-7_5_7_112_7_155_CAT.pdf
- Used On:
- ED Frame Sentron Series Molded Case Circuit Breaker
- Conductor Material:
- Copper/Aluminum
- Minimum Conductor Size:
- 10 AWG
- Maximum Conductor Size:
- 1/0 AWG
- Body Material:
- Aluminum
- Quantity:
- 1 per Pack
Surplus $19.63 -
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Siemens Q120DFN Molded Case Breakers (MCCBs) EA
MSRP $89.50Surplus $87.78Siemens Q120DFN Molded Case Breakers (MCCBs) EA ARCA SKU: C15-9303 Brand: Siemens MPN: Q120DFN UPC: 80476690659 Shipping Weight: 0.25 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-9303
- Number of Poles:
- 1
- Voltage Rating:
- 120 VAC
- Installation/Operator:
- SiemensAG_00694_INST.pdf
- Type:
- Low Vage, Neutral, Dual Function
- Short Description:
- 120 VAC, 20 A, 10 kA, 5 mA, 1-Pole, QFGA2N-Frame, Plug-On Mount, Neutral, Low Vage, Dual Function, Arc Fault/Ground Fault, Circuit Breaker
- Interrupting Rating:
- 10 kA
- Catalog:
- SiemensAG_23945_7_19_CAT.pdf
- Current Rating:
- 20 A
- Used On:
- Load Center
- Mounting:
- Plug-On
- Country of Origin:
- Philippines
MSRP $89.50Surplus $87.78 -
Square D EHB14020 Molded Case Breakers (MCCBs)
MSRP $421.56Surplus $119.05Square D EHB14020 Molded Case Breakers (MCCBs) ARCA SKU: C15-6516 Brand: Square D MPN: EHB14020 UPC: Shipping Weight: 0.40 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-6516
- Type:
- Thermal Magnetic, Molded Case
- Short Description:
- 277 VAC, 20 A, 14 kA, 1-Pole, Bolt-on Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Voltage Rating:
- 277 VAC
- Interrupting Rating:
- 14 kA at 277 V
- Number of Poles:
- 1
- Series:
- EHB
- Catalog:
- SQAREDE84937_2.pdf
- Current Rating:
- 20 A
- Size:
- 0.99 Inch Width x 2.9 Inch Depth x 3.51 Inch Height
MSRP $421.56Surplus $119.05 -
Square D HJA36090 Molded Case Breakers (MCCBs)
MSRP $2,225.00Surplus $1,079.96SKU: C15-7150 Brand: Square D MPN: HJA36090 UPC: 78590150724 Shipping Weight: 5.50 lbs. Shipping Height: 6.00 In. Shipping Length: 15.00 In. Shipping Width: 9.00 In...- SKU:
- C15-7150
- TS PIK:
- 127230906
- Current Rating:
- 90 A
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 90 A, 25 kA, 3-Pole, H-Frame, ABC Phase, Line Lug Load Terminal, Thermal Magnetic, Current Limiting, Panelboard Molded Case Circuit Breaker
- Catalog:
- SchneiderElectric-SquareD_32357_7_31_9_58_CAT.pdf
- Interrupting Rating:
- 25 kA at 600 VAC, 20 kA at 250 VDC
- Series:
- HJ
- Installation/Operator:
- SchneiderElectric-Telemecanique_00047_INST.pdf
- CAD Drawings:
- SchneiderElectric_29672_1_CAD.pdf
- Type:
- Thermal Magnetic, Current Limiting
- Data Sheet:
- SchneiderElectric-SquareD_46754_1-3_DATA.pdf
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Number of Poles:
- 3
- Prop 65 Warning:
- Yes
- Country of Origin:
- Canada
MSRP $2,225.00Surplus $1,079.96 -
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Square D LA400R Circuit Breaker Accessories
MSRP $1,426.61Surplus $1,491.69SKU: C15-7753 Brand: Square D MPN: LA400R UPC: 78590150802 Shipping Weight: 29.48 lbs. Shipping Height: 44.00 In. Shipping Length: 7.88 In. Shipping Width: 15.38 In...- SKU:
- C15-7753
- Prop 65 Warning:
- Yes
- Short Description:
- 15.38" x 7.88" x 44", 125 to 400 A, 2/3-Pole, Steel, NEMA 3R, Enclosure for LAL/LHL/Q4L Circuit Breaker
- Series:
- E03
- Type:
- Breaker
- Catalog:
- SchneiderElectric-SquareD_03280_7_87_7_89_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_13721_1_2_DATA.pdf
- CAD Drawings:
- SchneiderElectric-SquareD_17739_1_CAD.pdf
- Installation/Operator:
- SchneiderElectric_00382_INST.pdf
- Country of Origin:
- United States
MSRP $1,426.61Surplus $1,491.69 -
Square D QBA32125 Molded Case Breakers (MCCBs)
MSRP $1,913.00Surplus $863.17SKU: C15-7225 Brand: Square D MPN: QBA32125 UPC: 78590140518 Shipping Weight: 6.80 lbs. Shipping Height: 6.00 In. Shipping Length: 12.00 In. Shipping Width: 8.00 In...- SKU:
- C15-7225
- TS PIK:
- 120071915
- Number of Poles:
- 3
- Installation/Operator:
- SchneiderElectric-SquareD_02030_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_57_CAT.pdf
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 10 kA at 240 VAC
- Series:
- QB
- Data Sheet:
- SchneiderElectric_15643_1_2_DATA.pdf
- Voltage Rating:
- 240 VAC 50/60 Hertz
- CAD Drawings:
- SchneiderElectric_30259_1_CAD.pdf
- Current Rating:
- 125 A
- Short Description:
- 240 VAC 50/60 Hz, 125 A, 10 kA, 3-Pole, Q-Frame, ABC Phase, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
- Prop 65 Warning:
- Yes
- Country of Origin:
- Mexico
MSRP $1,913.00Surplus $863.17 -
Square D QO390 Miniature Circuit Breakers (MCBs)
MSRP $395.28Surplus $74.63Square D QO390 Miniature Circuit Breakers (MCBs) ARCA SKU: C15-6591 Brand: Square D MPN: QO390 UPC: 78590100440 Shipping Weight: 1.10 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6591
- TS PIK:
- 109595133
- Terminal Type:
- Box Lug
- Interrupting Rating:
- 10 kA
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Mounting:
- Plug-On
- Data Sheet:
- SchneiderElectric-SquareD_53614_1_2_DATA.pdf
- Number of Poles:
- 3
- Short Description:
- 120/240 VAC 50/60 Hz, 90 A, 10 kA Interrupt, 3-Pole, 4 to 2/0 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Series:
- QO
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 3.5 Inch Height
- Type:
- Common Trip, Miniature, Standard
- Wire Size:
- 4 to 2/0 AWG (Copper/Aluminum)
- Current Rating:
- 90 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Country of Origin:
- Mexico
MSRP $395.28Surplus $74.63 -
Square D QOB360 Miniature Circuit Breakers (MCBs)
MSRP $256.32Surplus $133.48Square D QOB360 Miniature Circuit Breakers (MCBs) ARCA SKU: C15-6474 Brand: Square D MPN: QOB360 UPC: 78590141718 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6474
- TS PIK:
- 111088436
- Series:
- QOB
- Number of Poles:
- 3
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 60 A, 10 kA, 3-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Current Rating:
- 60 A
- Type:
- Miniature, Standard
- Used On:
- NQ Panelboard
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Data Sheet:
- SchneiderElectric_21402_1_2_DATA.pdf
- Country of Origin:
- Ireland
MSRP $256.32Surplus $133.48 -
Thomas & Betts TB260 Miniature Circuit Breakers (MCBs)
MSRP $274.96Surplus $46.39Thomas & Betts TB260 Miniature Circuit Breakers (MCBs) ARCA SKU: C15-6701 Brand: Thomas & Betts MPN: TB260 UPC: Shipping Weight: 0.60 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6701
MSRP $274.96Surplus $46.39 -
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Cutler-Hammer BR220 Miniature Circuit Breakers (MCBs) NULL EA
MSRP $88.02Surplus $11.82Cutler-Hammer BR220 Miniature Circuit Breakers (MCBs) NULL EA ARCA SKU: C15-8973 Brand: Eaton Cutler-Hammer MPN: BR220 UPC: 786676362856 Shipping Weight: 0.50 lbs. Shipping...- SKU:
- C15-8973
- TS PIK:
- 21493856
- Series:
- BR
- Voltage Rating:
- 120/240 VAC
- Type:
- Thermal Magnetic, Common Trip
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC, 20 A, 10 kA Interrupt, 2-Pole, Plug-On Mount, Common Trip, Thermal Magnetic Circuit Breaker
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Catalog:
- EatonCorp_00568_V1T1_84_CAT.pdf
- Size:
- 1.9 Inch Length x 2 Inch Width x 2.5 Inch Height
- Used On:
- Type BR Load Center
- Wire Size:
- 14 to 4 AWG Copper/Aluminum at 60 Deg C
- Country of Origin:
- Dominican Republic
MSRP $88.02Surplus $11.82
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