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.
-
Din Rail Mounted Circuit Breakers
-
Main Breakers
-
Miniature Circuit Breakers (MCBs)
-
Molded Case Breakers (MCCBs)
-
Motor Circuit Protector (MCPs)
-
Lug Terminal Kits
-
Auxiliary, Shunt, Trip Units and UVRs
-
Circuit Breaker Accessories
- Product
- Qty in Cart
- Price
-
Eaton BR350 Miniature Circuit Breakers (MCBs)
MSRP $562.62Surplus $65.78SKU: C15-11092 Brand: Eaton MPN: BR350 UPC: 78667636790 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In...- SKU:
- C15-11092
- TS PIK:
- 21493898
- Series:
- BR
- Voltage Rating:
- 240 VAC
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- Type:
- Thermal Magnetic, Common Trip
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic, Circuit Breaker
- Current Rating:
- 50 A
- Mounting:
- Plug-On
- Used On:
- BR Series Load Center
- Number of Poles:
- 3
MSRP $562.62Surplus $65.78 -
Square D QO350 Miniature Circuit Breakers (MCBs) 3P 50A 240V
MSRP $248.00Surplus $102.41Square D QO350 Miniature Circuit Breakers (MCBs) 3P 50A 240V​ ARCA SKU: C15-6381 Brand: Square D MPN: QO350 UPC: 78590140080 Shipping Weight: 2.65 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6381
- TS PIK:
- 124024945
- Interrupting Rating:
- 5/10 kA
- Current Rating:
- 50 A
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_53603_1_2_DATA.pdf
- Terminal Type:
- Box Lug
- Number of Poles:
- 3
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
- Voltage Rating:
- 120/240 VAC
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Mounting:
- Plug-On
- Series:
- QO
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 50 A, 5/10 kA Interrupt, 3-Pole, 8 to 2 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Type:
- Common Trip, Miniature, Standard
- Country of Origin:
- Mexico
MSRP $248.00Surplus $102.41 -
North American Breaker Company BR350 Miniature Circuit Breakers (MCBs) EA
MSRP $337.57Surplus $32.68North American Breaker Company BR350 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-1262 Brand: North American Breaker Company MPN: BR350 UPC: 78667636790 Shipping Weight: 0.95 lbs...- SKU:
- C15-1262
- Series:
- BR
- Type:
- Common Trip
- Type:
- Quadplex
- Approval:
- UL 489
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- TS PIK:
- 21493898
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Current Rating:
- 50 A
- Country of Origin:
- Dominican Republic
MSRP $337.57Surplus $32.68 -
Contact Us For Quote
Crouse-Hinds BR350 Miniature Circuit Breakers (MCBs) EA
MSRP $337.57Surplus $163.25SKU: C15-5668 Brand: Crouse-Hinds MPN: BR350 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-5668
- TS PIK:
- 21493898
- Series:
- BR
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic, Circuit Breaker
- Type:
- Thermal Magnetic, Common Trip
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Mounting:
- Plug-On
- Current Rating:
- 50 A
- Interrupting Rating:
- 10 kA
- Used On:
- BR Series Load Center
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
MSRP $337.57Surplus $163.25 -
Contact Us For Quote
Crouse-Hinds CH350 Everything Else
MSRP $230.77Surplus $81.00Crouse-Hinds CH350 Everything Else​ ARCA SKU: C15-5780 Brand: Crouse-Hinds MPN: CH350 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In...- SKU:
- C15-5780
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Circuit Breaker
- Type:
- Thermal Magnetic, Common Trip
- Voltage Rating:
- 240 VAC
- Current Rating:
- 50 A
- Series:
- CH
- Wire Size:
- 10 to 1/0 AWG (Copper/Aluminum)
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
- Mounting:
- Plug-On
- Number of Poles:
- 3
- Used On:
- CH Series Load Center
- Interrupting Rating:
- 10 kA
- Country of Origin:
- Dominican Republic
MSRP $230.77Surplus $81.00 -
Contact Us For Quote
Eaton CH350 Miniature Circuit Breakers (MCBs) CH 3P 50A 240V 50/60Hz 3Ph EA
MSRP $376.54Surplus $148.96Eaton CH350 Miniature Circuit Breakers (MCBs) CH 3P 50A 240V 50/60Hz 3Ph EA​ ARCA SKU: C15-3851 Brand: Eaton MPN: CH350 UPC: 78211310209 Shipping Weight: 0.90 lbs. Shipping Height: 4...- SKU:
- C15-3851
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 50 A
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Poles:
- 3
- Terminal Type:
- Thermal Magnetic
- Type:
- Common Trip
- Used On:
- CH Series Load Center
- Volts:
- 240 VAC
- Gauge:
- 10 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Circuit Breaker
- Series:
- CH
- TS PIK:
- 531278
- Number of Poles:
- 3
- Wire Size:
- 10 to 1/0 AWG (Copper/Aluminum)
- Voltage Rating:
- 240 VAC
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
- Current Rating:
- 50 A
- Country of Origin:
- Dominican Republic
MSRP $376.54Surplus $148.96 -
Contact Us For Quote
Murray MP350 Miniature Circuit Breakers (MCBs)
MSRP $512.10Surplus $184.36Murray MP350 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6332 Brand: Murray MPN: MP350 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0...- SKU:
- C15-6332
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Plug-On Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Series:
- MP-T
- Voltage Rating:
- 240 VAC
- Terminal Type:
- Load Lug
- Type:
- Common Trip
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Used On:
- Loadcenter
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Mounting:
- Plug-On
- Number of Poles:
- 3
- Data Sheet:
- SiemensAG_06653_1_DATA.pdf
- Current Rating:
- 50 A
- Size:
- 3 Inch W x 3 Inch D x 3 1/8 Inch H
- Interrupting Rating:
- 10 kA
MSRP $512.10Surplus $184.36 -
Siemens HHED63B050 Molded Case Breakers (MCCBs)
MSRP $3,679.00Surplus $231.13SKU: C15-7460 Brand: Siemens MPN: HHED63B050 UPC: 78364330809 Shipping Weight: 3.95 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7460
- TS PIK:
- 115459918
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Voltage Rating:
- 600 VAC at 50/60 Hz (UL)
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Series:
- HHED6
- Number of Poles:
- 3
- Terminal Type:
- Load Lug
- Size:
- 3 Inch W x 4.56 Inch D x 6.53 Inch H
- Interrupting Rating:
- 100 kA at 240 VAC, 65 kA at 480 VAC, 18 kA at 600 VAC (UL)
- Short Description:
- 600 VAC, 50 A at 40 Deg C, 65 kA at 480 VAC, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Fuseless, Current Limiting, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Current Rating:
- 50 A
- Country of Origin:
- Mexico
- Wire Size:
- 10 to 1/0 AWG (Copper/Aluminum)
- Mounting:
- Plug-On
- Approval:
- UL 489, CSA C22.2
- Used On:
- P1/P2/P3/P4/P5 Panelboard
MSRP $3,679.00Surplus $231.13 -
Contact Us For Quote
Siemens Q350 Miniature Circuit Breakers (MCBs)
MSRP $61.62Surplus $71.82Siemens Q350 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6221 Brand: Siemens MPN: Q350 UPC: 66286200435 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6221
- TS PIK:
- 115704615
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-On Mount, QP Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Voltage Rating:
- 240 V
- Current Rating:
- 50 A
- Type:
- Thermal Magnetic, Common Trip
- Number of Poles:
- 3
- Mounting:
- Plug-On
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SiemensAG_07066_1_DATA.pdf
- Used On:
- Load Centre Main, Feeder
- Size:
- 6 Inch Width x 7 Inch Depth x 4 Inch Height
- Country of Origin:
- Mexico
MSRP $61.62Surplus $71.82 -
Contact Us For Quote
Siemens Q350H Miniature Circuit Breakers (MCBs)
MSRP $400.00Surplus $135.50SKU: C15-10567 Brand: Siemens MPN: Q350H UPC: 78364315645 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10567
- TS PIK:
- 21366695
- Mounting:
- Plug-On
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Data Sheet:
- SiemensAG_07068_1_DATA.pdf
- Size:
- 3 Inch W x 3 Inch D x 3-1/8 Inch H
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Terminal Type:
- Load Lug
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Used On:
- Loadcenter
- Current Rating:
- 50 A
- Type:
- Thermal and Fixed Magnetic, Common Trip
- Interrupting Rating:
- 22 kA
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Short Description:
- 240 VAC, 50 A, 22 kA, 3-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-On Mount, QPH Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Country of Origin:
- Mexico
MSRP $400.00Surplus $135.50 -
Square D QO350VH Miniature Circuit Breakers (MCBs) QO 3P 50A 240V 50/60Hz 3Ph
MSRP $371.00Surplus $236.74Square D QO350VH Miniature Circuit Breakers (MCBs) QO 3P 50A 240V 50/60Hz 3Ph​ ARCA SKU: C15-2190 Brand: Square D MPN: QO350VH UPC: 785901060215 Shipping Weight: 1.03 Shipping Height: 2.30...- SKU:
- C15-2190
- Series:
- QO
- Type:
- Bi-Metallic
- Type:
- Thermal
- Approval:
- UL
- Approval:
- CSA
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
- Volts:
- 120/240 VAC 50/60 Hertz
- Amps:
- 32 A
- Used On:
- QO Load Center
- Used On:
- NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 22 kA
- Enclosure:
- IP20
- Terminal Type:
- Box Lug
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 50 A, 22 kA Interrupt, 3-Pole, 8 to 2 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Data Sheet:
- Eaton_41012_1-6_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Number of Poles:
- 3
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Current Rating:
- 50 A
- Country of Origin:
- Ireland
MSRP $371.00Surplus $236.74
Disclaimer: ARCA Supply is not an authorized distributor, reseller or representative of any manufacturer, brand or product listed. All product names, trademarks, brands and logos are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder. All items sold by ARCA Supply are covered under ARCA Supply's warranty and not the manufacturer warranty.
