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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
HHJXD63B200L
HHJXD63B200L
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Siemens
200
600
HHJXD63B225
HHJXD63B225
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Siemens
225
600
HHJXD63B225L
HHJXD63B225L
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Siemens
225
600
HHJXD63B250
HHJXD63B250
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Siemens
250
600
HHJXD63B250L
HHJXD63B250L
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Siemens
250
600
HHJXD63B300
HHJXD63B300
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Siemens
300
600
HHJXD63B300L
HHJXD63B300L
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Siemens
300
600
HHJXD63B350L
HHJXD63B350L
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Siemens
350
600
HHJXD63B400L
HHJXD63B400L
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Siemens
400
600
HHJXD63F400
HHJXD63F400
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Siemens
400
600
HHJXD63M200
HHJXD63M200
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Siemens
200
600
HHJXD63M200L
HHJXD63M200L
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Siemens
200
600
HHJXD63M225
HHJXD63M225
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From
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Siemens
225
600
HHJXD63M225L
HHJXD63M225L
Limited Stock
From
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Siemens
225
600
HHJXD63M250
HHJXD63M250
Limited Stock
From
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Siemens
250
600
HHJXD63M250L
HHJXD63M250L
Limited Stock
From
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Siemens
250
600
HHJXD63M300
HHJXD63M300
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Siemens
300
600
HHJXD63M300L
HHJXD63M300L
Limited Stock
From
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Siemens
300
600
HHJXD63M350
HHJXD63M350
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Siemens
350
600
HHJXD63M350L
HHJXD63M350L
Limited Stock
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Siemens
350
600
HHJXD63M400
HHJXD63M400
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Siemens
400
600
HHJXD63M400L
HHJXD63M400L
Limited Stock
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Siemens
400
600
HHLD62B250
HHLD62B250
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Siemens
250
600
HHLD62B250L
HHLD62B250L
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Siemens
250
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.