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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
HE63B035
HE63B035
Limited Stock
From
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Siemens
35
600
HF62B070
HF62B070
Limited Stock
From
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Siemens
70
600
HF62B080
HF62B080
Limited Stock
From
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Siemens
80
600
HF62B090
HF62B090
Limited Stock
From
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Siemens
90
600
HF62B100
HF62B100
Limited Stock
From
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Siemens
100
600
HF62B110
HF62B110
Limited Stock
From
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Siemens
110
600
HF62B125
HF62B125
Limited Stock
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ITE
125
600
HF62B150
HF62B150
Limited Stock
From
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Siemens
150
600
HF62B175
HF62B175
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ITE
175
600
HF62B200
HF62B200
Limited Stock
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Siemens
200
600
HF62B225
HF62B225
Limited Stock
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ITE
225
600
HF62B250
HF62B250
Limited Stock
From
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ITE
250
600
HF62F250
HF62F250
Limited Stock
From
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ITE
250
600
HF63B070S04
HF63B070S04
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From
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ITE
70
600
HF63B080S04
HF63B080S04
Limited Stock
From
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ITE
80
600
HF63B090S04
HF63B090S04
Limited Stock
From
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Siemens
90
600
HF63B100S04
HF63B100S04
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From
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ITE
100
600
HJ63B250
HJ63B250
Limited Stock
From
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ITE
250
600
HJ63B350
HJ63B350
Limited Stock
From
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ITE
350
600
HL3B450TDF
HL3B450TDF
Limited Stock
From
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ITE
450
600
HL3B500
HL3B500
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From
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ITE
500
600
HL3B500TDF
HL3B500TDF
Limited Stock
From
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ITE
500
600
HL3B600TDF
HL3B600TDF
Limited Stock
From
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ITE
600
600
HL63B450
HL63B450
Limited Stock
From
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ITE
450
600
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.