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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
PLL34100U33AAB
PLL34100U33AAB
Limited Stock
From
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Schneider Electric
1000
480
PLL34100U33AAC
PLL34100U33AAC
Limited Stock
From
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Schneider Electric
1000
480
PLL34100U33ABC
PLL34100U33ABC
Limited Stock
From
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Schneider Electric
1000
480
PLL34100U33ABD
PLL34100U33ABD
Limited Stock
From
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Square D
1000
480
PLL34100U33BAA
PLL34100U33BAA
Limited Stock
From
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Schneider Electric
1000
480
PLL34100U33BAB
PLL34100U33BAB
Limited Stock
From
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Schneider Electric
1000
480
PLL34100U33BAC
PLL34100U33BAC
Limited Stock
From
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Square D
1000
480
PLL34100U33BBC
PLL34100U33BBC
Limited Stock
From
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Square D
1000
480
PLL34100U33BBD
PLL34100U33BBD
Limited Stock
From
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Square D
1000
480
PLL34100U33BYP
PLL34100U33BYP
Limited Stock
From
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Square D
1000
480
PLL34100U41AAA
PLL34100U41AAA
Limited Stock
From
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Square D
1000
480
PLL34100U41AAB
PLL34100U41AAB
Limited Stock
From
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Square D
1000
480
PLL34100U41AAC
PLL34100U41AAC
Limited Stock
From
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Schneider Electric
1000
480
PLL34100U41ABC
PLL34100U41ABC
Limited Stock
From
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Square D
1000
480
PLL34100U41ABD
PLL34100U41ABD
Limited Stock
From
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Square D
1000
480
PLL34100U41AE1AA
PLL34100U41AE1AA
Limited Stock
From
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Schneider Electric
1000
480
PLL34100U41AE1AB
PLL34100U41AE1AB
Limited Stock
From
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Schneider Electric
1000
480
PLL34100U41AE1AC
PLL34100U41AE1AC
Limited Stock
From
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Schneider Electric
1000
480
PLL34100U41AE1BC
PLL34100U41AE1BC
Limited Stock
From
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Schneider Electric
1000
480
PLL34100U41AE1BD
PLL34100U41AE1BD
Limited Stock
From
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Schneider Electric
1000
480
PLL34100U41AE1YP
PLL34100U41AE1YP
Limited Stock
From
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Schneider Electric
1000
480
PLL34100U41BAA
PLL34100U41BAA
Limited Stock
From
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Square D
1000
480
PLL34100U41BAB
PLL34100U41BAB
Limited Stock
From
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Schneider Electric
1000
480
PLL34100U41BAC
PLL34100U41BAC
Limited Stock
From
Get Price
Schneider Electric
1000
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.