
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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Eaton BR340 Miniature Circuit Breakers (MCBs) 3P 40A 240V EA
MSRP $337.57Surplus $59.85Eaton BR340 Miniature Circuit Breakers (MCBs) 3P 40A 240V EA​ ARCA SKU: C15-1259 Brand: Eaton MPN: BR340 UPC: 786676367851 Shipping Weight: 0.95 lbs. Shipping Height: 4.00 In...- SKU:
- C15-1259
- Series:
- BR
- Type:
- Common Trip
- Type:
- Quadplex
- 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, 40 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- TS PIK:
- 21493897
- Number of Poles:
- 3
- Current Rating:
- 40 A
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
MSRP $337.57Surplus $59.85 -
Eaton CH340 Miniature Circuit Breakers (MCBs) CH 3P 40A 240V 50/60Hz 3Ph EA
MSRP $420.00Surplus $125.86Eaton CH340 Miniature Circuit Breakers (MCBs) CH 3P 40A 240V 50/60Hz 3Ph EA​ ARCA SKU: C15-2808 Brand: Eaton MPN: CH340 UPC: 782113102078 Shipping Weight: 0.90 lbs. Shipping...- SKU:
- C15-2808
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 40 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, 40 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Circuit Breaker
- Series:
- CH
- TS PIK:
- 531277
- Current Rating:
- 40 A
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
- Wire Size:
- 10 to 1/0 AWG (Copper/Aluminum)
- Country of Origin:
- Dominican Republic
MSRP $420.00Surplus $125.86 -
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Murray MP340 Miniature Circuit Breakers (MCBs)
MSRP $512.10Surplus $43.35Murray MP340 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6302 Brand: Murray MPN: MP340 UPC: Shipping Weight: 1.10 lbs. Shipping Height: 5.00 In. Shipping Length: 4...- SKU:
- C15-6302
- Short Description:
- 240 VAC, 40 A, 10 kA, 3-Pole, Plug-In Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Number of Poles:
- 3
- Interrupting Rating:
- 10 kA
- Type:
- Common Trip
- Used On:
- Loadcenter
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Size:
- 3 Inch W x 3 Inch D x 3 1/8 Inch H
- Current Rating:
- 40 A
- Terminal Type:
- Load Lug
- Data Sheet:
- SiemensAG_06651_1_DATA.pdf
- Mounting:
- Plug-On
- Voltage Rating:
- 240 VAC
- Series:
- MP-T
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Country of Origin:
- Mexico
MSRP $512.10Surplus $43.35 -
Contact Us For Quote
Crouse-Hinds BR340 Miniature Circuit Breakers (MCBs)
MSRP $337.57Surplus $118.02Crouse-Hinds BR340 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-5667 Brand: Crouse-Hinds MPN: BR340 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-5667
- TS PIK:
- 21493897
- Type:
- Common Trip
- Short Description:
- 240 VAC, 40 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Circuit Breaker
- Series:
- BR
- Mounting:
- Plug-On
- Current Rating:
- 40 A
- Voltage Rating:
- 240 VAC
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 3
- Used On:
- BR Series Load Center
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
MSRP $337.57Surplus $118.02
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