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Molded Case Circuit Breaker

For circuit breaker systems in commercial and industrial facilities, molded case circuit breakers are among the most widely used components for reliable overcurrent protection and electrical distribution. Molded case circuit breakers provide automatic circuit interruption during overload or short circuit conditions, protecting electrical systems and equipment from damage while enabling manual switching control. Electrical.com carries an extensive selection of molded case circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, manufacturing facilities, data centers, and industrial power distribution applications.
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Part Number
PRICE
Manufacturer
1492-SP2C-150
1492-SP2C-150
In Stock
From
$142.11
Allen-Bradley
1492-SP2D-030
1492-SP2D-030
In Stock
From
$59.97
Allen-Bradley
1492-SP2D005
1492-SP2D005
In Stock
From
$36.40
Allen-Bradley
1492-SP3C-050
1492-SP3C-050
In Stock
From
$299.64
Allen-Bradley
1492-SP3C-150
1492-SP3C-150
In Stock
From
$166.15
Allen-Bradley
1492-SP3C005
1492-SP3C005
In Stock
From
$70.93
Allen-Bradley
1492-SP3D-050
1492-SP3D-050
In Stock
From
$204.34
Allen-Bradley
1492-SP3D-400
1492-SP3D-400
In Stock
From
$250.04
Allen-Bradley
1492-SPM1B030
1492-SPM1B030
In Stock
From
$54.49
Allen-Bradley
1492-SPM1B050
1492-SPM1B050
In Stock
From
$43.44
Allen-Bradley
1492-SPM1C050
1492-SPM1C050
In Stock
From
$25.45
Allen-Bradley
1492-SPM1C300
1492-SPM1C300
In Stock
From
$55.30
Allen-Bradley
1492-SPM2D030
1492-SPM2D030
In Stock
From
$119.25
Allen-Bradley
1492-SPM2D080
1492-SPM2D080
In Stock
From
$58.64
Allen-Bradley
1492-SPU-1-B-200
1492-SPU-1-B-200
In Stock
From
$38.51
Allen-Bradley
1492-SPU1B010
1492-SPU1B010
In Stock
From
$32.07
Allen-Bradley
1492-SPU1B050
1492-SPU1B050
In Stock
From
$69.72
Allen-Bradley
1492-SPU1B100
1492-SPU1B100
In Stock
From
$51.22
Allen-Bradley
1492-SPU1B150
1492-SPU1B150
In Stock
From
$61.54
Allen-Bradley
1492-SPU1C-050
1492-SPU1C-050
In Stock
From
$35.00
Allen-Bradley
1492-SPU1C-200
1492-SPU1C-200
In Stock
From
$50.55
Allen-Bradley
1492-SPU1C010
1492-SPU1C010
In Stock
From
$21.95
Allen-Bradley
1492-SPU1C020
1492-SPU1C020
In Stock
From
$16.80
Allen-Bradley
1492-SPU1C030
1492-SPU1C030
In Stock
From
$17.86
Allen-Bradley
Popular Molded Case Circuit Breaker Manufacturers
Eaton
Square D
ABB
Siemens

Electrical.com stocks the largest inventory of molded case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified MCCBs available for immediate shipment. From standard thermal-magnetic breakers to electronic trip units across all amperage ratings, we have what you need when others say no. Our comprehensive molded case circuit breaker inventory spans all voltage and current ratings, frame sizes, and interrupting capacities from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our molded case circuit breakers serve critical applications across commercial buildings, industrial facilities, manufacturing plants, data centers, healthcare facilities, distribution panels, motor control centers, switchboards, and power distribution systems.


Whether you're maintaining legacy equipment with obsolete MCCB models or sourcing current production breakers for new installations and retrofits, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need molded case circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.