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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
AP116-7064-249
AP116-7064-249
In Stock
From
$2,022.64
Sensata Technologies
AP12-1-62-202
AP12-1-62-202
In Stock
From
$274.88
Sensata Technologies
AP12-1-72-103
AP12-1-72-103
In Stock
From
$1,229.20
Sensata Technologies
AP12-1-72-153
AP12-1-72-153
In Stock
From
$1,964.38
Sensata Technologies
AP12-1-72-203
AP12-1-72-203
In Stock
From
$1,931.07
Sensata Technologies
AP12-1-72-502
AP12-1-72-502
In Stock
From
$1,436.15
Sensata Technologies
AP12-87056-042
AP12-87056-042
In Stock
From
$1,908.67
Sensata Technologies
AP14-211-2
AP14-211-2
In Stock
From
$3,790.64
Sensata Technologies
AP16-1-64-502
AP16-1-64-502
In Stock
From
$394.51
Sensata Technologies
AP17-1-61-103
AP17-1-61-103
In Stock
From
$1,621.51
Sensata Technologies
AP17-1-64-502
AP17-1-64-502
In Stock
From
$1,403.65
Sensata Technologies
AP17-1-65F-103
AP17-1-65F-103
In Stock
From
$1,643.10
Sensata Technologies
AP17-1-72-203
AP17-1-72-203
In Stock
From
$1,944.04
Sensata Technologies
AP6-7062-225
AP6-7062-225
In Stock
From
$1,062.70
Sensata Technologies
AP7-1-51-103
AP7-1-51-103
In Stock
From
$1,025.57
Sensata Technologies
APG1-1REC2-60-202-00
APG1-1REC2-60-202-00
In Stock
From
$13.39
Sensata Technologies
APG2-26048-2
APG2-26048-2
In Stock
From
$17.97
Sensata Technologies
APGX1-2655-2
APGX1-2655-2
In Stock
From
$41.10
Sensata Technologies
APL1-1-52-703-M
APL1-1-52-703-M
In Stock
From
$234.65
Sensata Technologies
APL111-1-61-203
APL111-1-61-203
In Stock
From
$134.27
Sensata Technologies
APL111-21510-3
APL111-21510-3
In Stock
From
$135.86
Sensata Technologies
B21-3-15.0A-01-11BLV
B21-3-15.0A-01-11BLV
In Stock
From
$85.38
Sensata Technologies
CELHPK11-1REC4-32537-1
CELHPK11-1REC4-32537-1
In Stock
From
$344.90
Sensata Technologies
CELHPK11-1REC4-32537-3
CELHPK11-1REC4-32537-3
In Stock
From
$179.55
Sensata Technologies
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.