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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Contact Us For Quote
Siemens 5SJ4340-8HG41 Miniature Circuit Breakers (MCBs) 40A
MSRP $283.29Surplus $70.68Siemens 5SJ4340-8HG41 Miniature Circuit Breakers (MCBs) 40A​ ARCA SKU: E30-10152 Brand: Siemens MPN: 5SJ4340-8HG41 UPC: 4001869321929 Shipping Weight: 1.15 lbs. Shipping Height: 3.00...- SKU:
- E30-10152
- Current Rating:
- 40 A
- Size:
- 54 Millimeter Width x 76.4 Millimeter Depth x 110 Millimeter Height
- Short Description:
- 240 VAC, 60/125 VDC, 40 A, 10 kA, 3-Pole, 70 MM Device Depth, 14 to 4 AWG Solid/Stranded Copper, Line/Load Screw Terminal, 35 MM DIN Rail Mount, Standard Frame, Curve D, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Voltage Rating:
- 240 VAC, 60/125 VDC
- Interrupting Rating:
- 10 kA
- Type:
- Thermal Magnetic
- Terminal Type:
- Line/Load Screw
- Wire Size:
- 14 to 4 AWG Copper
- Series:
- 5SJ4
- Number of Poles:
- 3
- Catalog:
- SiemensAG_01744_16_2-16_10_CAT.pdf
- Mounting:
- DIN Rail
- Approval:
- UL 489, CSA C22.2
MSRP $283.29Surplus $70.68 -
Siemens CQD3100 Din Rail Mounted Circuit Breakers
MSRP $1,603.00Surplus $84.43SKU: C15-7414 Brand: Siemens MPN: CQD3100 UPC: 78364327785 Shipping Weight: 2.10 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- C15-7414
- Type:
- Thermal Magnetic
- Series:
- CQD
- Voltage Rating:
- 277/480 VAC
- Mounting:
- DIN Rail
- Short Description:
- 480 VAC Star/277 VAC, 100 A, 14 kA, 3-Pole, 8 to 1 AWG Copper/6 to 1/0 AWG Aluminum, Load Lug Terminal, DIN Rail Mount, CQD Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Current Rating:
- 100 A
- Wire Size:
- 8 to 1 AWG (Copper), 6 to 1/0 AWG (Aluminum)
- Terminal Type:
- Lug
- Size:
- 3 Inch Width x 2.88 Inch Depth x 4.9 Inch Height
- Interrupting Rating:
- 65 kA at 240 VAC, 14 kA at 480 Star/277 VAC (UL)
- Number of Poles:
- 3
- Catalog:
- SiemensAG_01698_17_1_17_11_CAT.pdf
- Approval:
- UL
- Country of Origin:
- Mexico
MSRP $1,603.00Surplus $84.43 -
Contact Us For Quote
Siemens CQD380 Din Rail Mounted Circuit Breakers
MSRP $1,603.00Surplus $276.64SKU: C15-7415 Brand: Siemens MPN: CQD380 UPC: 78364327783 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7415
- Interrupting Rating:
- 65 kA at 240 VAC, 14 kA at 480 Star/277 VAC (UL)
- Current Rating:
- 80 A
- Type:
- Thermal Magnetic
- Wire Size:
- 8 to 1 AWG (Copper), 6 to 1/0 AWG (Aluminum)
- Mounting:
- DIN Rail
- Number of Poles:
- 3
- Terminal Type:
- Lug
- Voltage Rating:
- 277/480 VAC
- Size:
- 3 Inch W x 2.88 Inch D x 4.9 Inch H
- Catalog:
- SiemensAG_01698_17_1_17_11_CAT.pdf
- Series:
- CQD
- Short Description:
- 480 VAC Star/277 VAC, 80 A, 14 kA, 3-Pole, 8 to 1 AWG Copper/6 to 1/0 AWG Aluminum, Load Lug Terminal, DIN Rail Mount, CQD Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Approval:
- UL
- Country of Origin:
- MEX
MSRP $1,603.00Surplus $276.64
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