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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
ITEBQ3B015
ITEBQ3B015
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ITE
15
240
ITEBQ3B020
ITEBQ3B020
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ITE
20
240
ITEBQ3B030
ITEBQ3B030
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ITE
30
240
ITEBQ3B040
ITEBQ3B040
Limited Stock
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ITE
40
240
ITEBQ3B050
ITEBQ3B050
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ITE
50
240
ITEBQ3B060
ITEBQ3B060
Limited Stock
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Siemens
60
240
ITEBQ3B070
ITEBQ3B070
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Siemens
70
240
ITEBQ3B080
ITEBQ3B080
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Siemens
80
240
ITEBQ3B090
ITEBQ3B090
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Siemens
90
240
ITEBQ3B100
ITEBQ3B100
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ITE
100
240
ITEQ21515CT
ITEQ21515CT
Limited Stock
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Siemens
15
240
ITEQ21520CT
ITEQ21520CT
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Siemens
20
240
ITEQ21530CT
ITEQ21530CT
Limited Stock
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Siemens
30
240
ITEQ21550CT
ITEQ21550CT
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ITE
50
240
ITEQ22020CT
ITEQ22020CT
Limited Stock
From
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Siemens
20
240
ITEQ22020CT2
ITEQ22020CT2
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ITE
15
240
ITEQ22030CT
ITEQ22030CT
Limited Stock
From
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Siemens
30
240
ITEQ22050CT
ITEQ22050CT
Limited Stock
From
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Siemens
50
240
ITEQ23030CT2
ITEQ23030CT2
Limited Stock
From
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ITE
30
240
ITEQ23050CT2
ITEQ23050CT2
Limited Stock
From
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Siemens
30
240
ITEQ24020CT2
ITEQ24020CT2
Limited Stock
From
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ITE
40
240
ITEQ24030CT2
ITEQ24030CT2
Limited Stock
From
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Siemens
40
240
ITEQ24040CT2
ITEQ24040CT2
Limited Stock
From
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ITE
40
240
ITEQ3100
ITEQ3100
Limited Stock
From
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Siemens
100
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.