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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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HMPC015E0C
HMPC015E0C
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Westinghouse
HMX3G600LA4RNXX
HMX3G600LA4RNXX
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Siemens
HN 304
HN 304
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Hager
HP40SHL
HP40SHL
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Eaton
HSL116B
HSL116B
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Havells
IC60HC16A
IC60HC16A
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Schneider Electric
IC60HC50A
IC60HC50A
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Schneider Electric
IC60HC63A
IC60HC63A
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Schneider Electric
IC60N-C-50A
IC60N-C-50A
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Schneider Electric
IEGX112-28529-2
IEGX112-28529-2
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Sensata Technologies
IEGX66-1-62-30.0-A-22-V
IEGX66-1-62-30.0-A-22-V
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Sensata Technologies
IELHK111-1-63F-50.0-B-01-V
IELHK111-1-63F-50.0-B-01-V
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Sensata Technologies
IELHR11-1-63F-25.0-01-V
IELHR11-1-63F-25.0-01-V
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Sensata Technologies
IELHR111-1-63F-35.0-01-V
IELHR111-1-63F-35.0-01-V
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Sensata Technologies
IELK1-1-53-100-01
IELK1-1-53-100-01
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Sensata Technologies
IELK11-1-62-15.0-01-V
IELK11-1-62-15.0-01-V
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Sensata Technologies
J7MN-3P-10
J7MN-3P-10
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Omron
J7MN126E3
J7MN126E3
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Omron
JA1S-D3-A0025-03E
JA1S-D3-A0025-03E
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Eaton
JA2-A3A2-A
JA2-A3A2-A
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Eaton
JA2S-A8-LA-01-D-A
JA2S-A8-LA-01-D-A
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Eaton
JC-69
JC-69
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Schneider Electric
JD2200CM01
JD2200CM01
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Westinghouse
JD2200M01
JD2200M01
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Westinghouse
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.