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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
LV438637
LV438637
Limited Stock
From
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Schneider Electric
16
500
LV438679
LV438679
Limited Stock
From
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Schneider Electric
125
240
LV438680
LV438680
Limited Stock
From
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Schneider Electric
160
240
LV438689
LV438689
Limited Stock
From
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Schneider Electric
125
240
LV438690
LV438690
Limited Stock
From
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Schneider Electric
160
240
LV438699
LV438699
Limited Stock
From
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Schneider Electric
125
500
LV438700
LV438700
Limited Stock
From
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Schneider Electric
160
500
LV438709
LV438709
Limited Stock
From
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Schneider Electric
125
500
LV438730
LV438730
Limited Stock
From
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Schneider Electric
100
500
LV438731
LV438731
Limited Stock
From
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Schneider Electric
80
500
LV438732
LV438732
Limited Stock
From
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Schneider Electric
63
500
LV438733
LV438733
Limited Stock
From
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Schneider Electric
50
500
LV438734
LV438734
Limited Stock
From
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Schneider Electric
40
500
LV438735
LV438735
Limited Stock
From
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Schneider Electric
32
500
LV438736
LV438736
Limited Stock
From
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Schneider Electric
25
500
LV438737
LV438737
Limited Stock
From
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Schneider Electric
16
500
LV438750
LV438750
Limited Stock
From
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Schneider Electric
100
500
LV438751
LV438751
Limited Stock
From
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Schneider Electric
80
500
LV438752
LV438752
Limited Stock
From
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Schneider Electric
63
500
LV438753
LV438753
Limited Stock
From
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Schneider Electric
50
500
LV438754
LV438754
Limited Stock
From
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Schneider Electric
40
500
LV438755
LV438755
Limited Stock
From
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Schneider Electric
30
500
LV438756
LV438756
Limited Stock
From
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Schneider Electric
25
500
LV438757
LV438757
Limited Stock
From
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Schneider Electric
16
500
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.