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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
BR2C6UC
BR2C6UC
In Stock
From
$28.97
Weidmuller
BR2D20UC
BR2D20UC
In Stock
From
$65.53
Weidmuller
BR2D4UC
BR2D4UC
In Stock
From
$47.47
Weidmuller
BR3C25UC
BR3C25UC
In Stock
From
$86.38
Weidmuller
BR3C2UC
BR3C2UC
In Stock
From
$51.04
Weidmuller
BR3C50UC
BR3C50UC
In Stock
From
$156.13
Weidmuller
BR3D1AC
BR3D1AC
In Stock
From
$158.66
Weidmuller
MCB-1.5
MCB-1.5
In Stock
From
$32.50
Weidmuller
SU1C1UC
SU1C1UC
In Stock
From
$14.30
Weidmuller
SU1C5UC
SU1C5UC
In Stock
From
$8.89
Weidmuller
2477110000
2477110000
In Stock
From
$36.89
Weidmuller
2477140000
2477140000
In Stock
From
$57.85
Weidmuller
2477180000
2477180000
In Stock
From
$29.01
Weidmuller
2477290000
2477290000
In Stock
From
$136.86
Weidmuller
2477380000
2477380000
In Stock
From
$74.27
Weidmuller
2477390000
2477390000
In Stock
From
$92.49
Weidmuller
2477590000
2477590000
In Stock
From
$193.70
Weidmuller
2477620000
2477620000
In Stock
From
$192.32
Weidmuller
2477690000
2477690000
In Stock
From
$136.71
Weidmuller
2477770000
2477770000
In Stock
From
$129.08
Weidmuller
2477860000
2477860000
In Stock
From
$58.91
Weidmuller
2477880000
2477880000
In Stock
From
$85.95
Weidmuller
2477890000
2477890000
In Stock
From
$59.19
Weidmuller
2477960000
2477960000
In Stock
From
$36.89
Weidmuller
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.