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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
ITEB260
ITEB260
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Siemens
60
240
ITEB270
ITEB270
Limited Stock
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ITE
70
240
ITEB3100
ITEB3100
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Siemens
100
240
ITEB315
ITEB315
Limited Stock
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Siemens
15
240
ITEB320
ITEB320
Limited Stock
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ITE
20
240
ITEB330
ITEB330
Limited Stock
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Siemens
30
240
ITEB340
ITEB340
Limited Stock
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Siemens
40
240
ITEB350
ITEB350
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Siemens
50
240
ITEB360
ITEB360
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Siemens
60
240
ITEB370
ITEB370
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Siemens
70
240
ITEB380
ITEB380
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ITE
80
240
ITEB390
ITEB390
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ITE
90
240
ITEBQ1B015
ITEBQ1B015
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ITE
15
120
ITEBQ1B020
ITEBQ1B020
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ITE
20
120
ITEBQ1B030
ITEBQ1B030
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ITE
30
120
ITEBQ1B040
ITEBQ1B040
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ITE
40
120
ITEBQ1B050
ITEBQ1B050
Limited Stock
From
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ITE
50
120
ITEBQ2B015
ITEBQ2B015
Limited Stock
From
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Siemens
15
240
ITEBQ2B020
ITEBQ2B020
Limited Stock
From
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Siemens
20
240
ITEBQ2B030
ITEBQ2B030
Limited Stock
From
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ITE
30
240
ITEBQ2B040
ITEBQ2B040
Limited Stock
From
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ITE
40
240
ITEBQ2B050
ITEBQ2B050
Limited Stock
From
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Siemens
50
240
ITEBQ2B060
ITEBQ2B060
Limited Stock
From
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Siemens
60
240
ITEBQ2B070
ITEBQ2B070
Limited Stock
From
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ITE
70
240
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.