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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
Amperage
Voltage
PLL34000S60AA
PLL34000S60AA
Limited Stock
From
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Schneider Electric
600
480
PLL34000S60AB
PLL34000S60AB
Limited Stock
From
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Square D
600
480
PLL34000S60AC
PLL34000S60AC
Limited Stock
From
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Square D
600
480
PLL34000S60BC
PLL34000S60BC
Limited Stock
From
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Square D
600
480
PLL34000S60BD
PLL34000S60BD
Limited Stock
From
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Square D
600
480
PLL34000S60YP
PLL34000S60YP
Limited Stock
From
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Square D
600
480
PLL34000S80AA
PLL34000S80AA
Limited Stock
From
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Schneider Electric
800
480
PLL34000S80AB
PLL34000S80AB
Limited Stock
From
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Square D
800
480
PLL34000S80AC
PLL34000S80AC
Limited Stock
From
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Square D
800
480
PLL34000S80BC
PLL34000S80BC
Limited Stock
From
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Schneider Electric
800
480
PLL34000S80BD
PLL34000S80BD
Limited Stock
From
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Schneider Electric
800
480
PLL34000S80YP
PLL34000S80YP
Limited Stock
From
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Schneider Electric
800
480
PLL34025CU31AAA
PLL34025CU31AAA
Limited Stock
From
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Square D
250
480
PLL34025CU31AAB
PLL34025CU31AAB
Limited Stock
From
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Schneider Electric
250
480
PLL34025CU31AAC
PLL34025CU31AAC
Limited Stock
From
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Schneider Electric
250
480
PLL34025CU31ABC
PLL34025CU31ABC
Limited Stock
From
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Schneider Electric
250
480
PLL34025CU31ABD
PLL34025CU31ABD
Limited Stock
From
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Square D
250
480
PLL34025CU31AYP
PLL34025CU31AYP
Limited Stock
From
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Schneider Electric
250
480
PLL34025CU31BAA
PLL34025CU31BAA
Limited Stock
From
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Square D
250
480
PLL34025CU31BAB
PLL34025CU31BAB
Limited Stock
From
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Square D
250
480
PLL34025CU31BAC
PLL34025CU31BAC
Limited Stock
From
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Square D
250
480
PLL34025CU31BBC
PLL34025CU31BBC
Limited Stock
From
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Square D
250
480
PLL34025CU31BBD
PLL34025CU31BBD
Limited Stock
From
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Square D
250
480
PLL34025CU31BYP
PLL34025CU31BYP
Limited Stock
From
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Square D
250
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.