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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
HLXD62M450H
HLXD62M450H
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Siemens
450
600
HLXD62M450L
HLXD62M450L
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Siemens
450
600
HLXD62M450LH
HLXD62M450LH
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Siemens
450
600
HLXD62M500
HLXD62M500
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Siemens
500
600
HLXD62M500H
HLXD62M500H
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Siemens
500
600
HLXD62M500L
HLXD62M500L
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Siemens
500
600
HLXD62M500LH
HLXD62M500LH
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Siemens
500
600
HLXD62M600
HLXD62M600
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Siemens
600
600
HLXD62M600H
HLXD62M600H
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Siemens
600
600
HLXD62M600L
HLXD62M600L
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Siemens
600
600
HLXD62M600LH
HLXD62M600LH
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Siemens
600
600
HMD62M500
HMD62M500
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Siemens
500
600
HMD62M600
HMD62M600
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Siemens
600
600
HMD62M700
HMD62M700
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Siemens
700
600
HMD62M800
HMD62M800
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Siemens
800
600
HMD63M500
HMD63M500
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Siemens
500
600
HMD63M600
HMD63M600
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Siemens
600
600
HMD63M700
HMD63M700
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Siemens
700
600
HMD63M800
HMD63M800
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Siemens
800
600
HMG2B600
HMG2B600
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Siemens
600
600
HMG2B600B
HMG2B600B
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Siemens
600
600
HMG2B600L
HMG2B600L
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From
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Siemens
600
600
HMG2B700
HMG2B700
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From
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Siemens
700
600
HMG2B700B
HMG2B700B
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From
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Siemens
700
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.