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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
GCH2070
GCH2070
Limited Stock
From
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Westinghouse
70
600
GCH2080
GCH2080
Limited Stock
From
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Westinghouse
80
600
GCH2090
GCH2090
Limited Stock
From
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Westinghouse
90
600
GCH2100
GCH2100
Limited Stock
From
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Cutler Hammer
100
600
GV2RT03
GV2RT03
Limited Stock
From
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Schneider Electric
-
-
HB1B015L
HB1B015L
Limited Stock
From
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Siemens
15
120
HB1B020L
HB1B020L
Limited Stock
From
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Siemens
20
120
HB2B020L
HB2B020L
Limited Stock
From
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Siemens
20
240
HB2B030L
HB2B030L
Limited Stock
From
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Siemens
30
240
HB2B040L
HB2B040L
Limited Stock
From
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Siemens
40
240
HB2B050L
HB2B050L
Limited Stock
From
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Siemens
50
240
HB2B060L
HB2B060L
Limited Stock
From
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Siemens
60
240
HB2B070L
HB2B070L
Limited Stock
From
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Siemens
70
240
HB2B080L
HB2B080L
Limited Stock
From
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Siemens
80
240
HB2B090L
HB2B090L
Limited Stock
From
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Siemens
90
240
HKD3175P
HKD3175P
Limited Stock
From
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Eaton
-
-
KAL3622529M
KAL3622529M
Limited Stock
From
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Schneider Electric
-
-
KCP34125MT
KCP34125MT
Limited Stock
From
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Schneider Electric
-
-
LAL36400MB1021
LAL36400MB1021
Limited Stock
From
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Schneider Electric
-
-
MAM3800
MAM3800
Limited Stock
From
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Westinghouse
-
-
MB115CN
MB115CN
Limited Stock
From
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Murray Corporation
15
240
MB120CN
MB120CN
Limited Stock
From
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Murray Corporation
20
240
MB130CN
MB130CN
Limited Stock
From
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Murray Corporation
30
240
MB215SN
MB215SN
Limited Stock
From
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Murray Corporation
15
240
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.