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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.
SORT BY
Part Number
PRICE
Manufacturer
Amperage
Voltage
1492-SP1D320
1492-SP1D320
In Stock
From
$27.15
Allen-Bradley
32
277
1492-SP1D320-N
1492-SP1D320-N
Limited Stock
From
Get Price
Allen-Bradley
32
277
1492-SP1D400
1492-SP1D400
In Stock
From
$63.16
Allen-Bradley
40
277
1492-SP2B040
1492-SP2B040
In Stock
From
$26.42
Allen-Bradley
4
480
1492-SP2B050
1492-SP2B050
In Stock
From
$131.12
Allen-Bradley
5
480
1492-SP2B070
1492-SP2B070
In Stock
From
$26.96
Allen-Bradley
7
480
1492-SP2B080
1492-SP2B080
In Stock
From
$86.25
Allen-Bradley
8
480
1492-SP2B160
1492-SP2B160
In Stock
From
$89.72
Allen-Bradley
16
480
1492-SP2B200
1492-SP2B200
In Stock
From
$33.68
Allen-Bradley
20
480
1492-SP2B250
1492-SP2B250
In Stock
From
$73.41
Allen-Bradley
25
480
1492-SP2B300
1492-SP2B300
In Stock
From
$38.27
Allen-Bradley
30
480
1492-SP2B320
1492-SP2B320
In Stock
From
$89.92
Allen-Bradley
32
480
1492-SP2B500
1492-SP2B500
In Stock
From
$172.50
Allen-Bradley
50
480
1492-SP2B630
1492-SP2B630
In Stock
From
$88.19
Allen-Bradley
63
480
1492-SP2C060
1492-SP2C060
In Stock
From
$53.91
Allen-Bradley
6
480
1492-SP2C080
1492-SP2C080
In Stock
From
$43.74
Allen-Bradley
8
480
1492-SP2C160
1492-SP2C160
In Stock
From
$203.42
Allen-Bradley
16
480
1492-SP2C300
1492-SP2C300
In Stock
From
$84.84
Allen-Bradley
30
480
1492-SP2C320
1492-SP2C320
In Stock
From
$49.57
Allen-Bradley
32
480
1492-SP2C400
1492-SP2C400
In Stock
From
$85.84
Allen-Bradley
40
277
1492-SP2C500
1492-SP2C500
In Stock
From
$136.37
Allen-Bradley
50
277
1492-SP2C630
1492-SP2C630
In Stock
From
$133.34
Allen-Bradley
63
277
1492-SP2D010
1492-SP2D010
In Stock
From
$28.01
Allen-Bradley
1
480
1492-SP2D020
1492-SP2D020
In Stock
From
$50.39
Allen-Bradley
2
480
Popular Molded Case Circuit Breaker Manufacturers

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.