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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
E61B030
E61B030
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ITE
30
600
E61B035
E61B035
Limited Stock
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Siemens
35
600
E61B040
E61B040
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ITE
40
600
E61B045
E61B045
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ITE
45
600
E61B050
E61B050
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ITE
50
600
E61B060
E61B060
Limited Stock
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Siemens
60
600
EE1A003
EE1A003
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Siemens
3
120
EE1A003L
EE1A003L
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Siemens
3
120
EE1A005
EE1A005
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Siemens
5
120
EE1A005L
EE1A005L
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Siemens
5
120
EE1A010
EE1A010
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Siemens
10
120
EE1A010L
EE1A010L
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ITE
10
120
EE1A015
EE1A015
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ITE
15
120
EE1A015L
EE1A015L
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Siemens
15
120
EE1A020
EE1A020
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Siemens
20
120
EE1A020L
EE1A020L
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ITE
20
120
EE1A025
EE1A025
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ITE
25
120
EE1A025L
EE1A025L
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ITE
25
120
EE1A030
EE1A030
Limited Stock
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Siemens
30
120
EE1A030L
EE1A030L
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ITE
30
120
EE1A035
EE1A035
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ITE
35
120
EE1A035L
EE1A035L
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From
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ITE
35
120
EE1A040
EE1A040
Limited Stock
From
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Siemens
40
120
EE1A040L
EE1A040L
Limited Stock
From
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Siemens
40
120
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.