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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
PP40404X
PP40404X
Limited Stock
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Schneider Electric
PP40804X
PP40804X
Limited Stock
From
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Schneider Electric
PP42503X
PP42503X
Limited Stock
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Schneider Electric
Q2L3070-S
Q2L3070-S
In Stock
From
$269.49
Schneider Electric
QIB270VH
QIB270VH
In Stock
From
$27.60
Schneider Electric
QO110EB10
QO110EB10
Limited Stock
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Schneider Electric
QO110VSC10
QO110VSC10
Limited Stock
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Schneider Electric
QO115FRAFGF
QO115FRAFGF
In Stock
From
$20.67
Schneider Electric
QO116C10RCBO30F
QO116C10RCBO30F
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Schneider Electric
QO116VSC10
QO116VSC10
Limited Stock
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Schneider Electric
QO132VSC10
QO132VSC10
Limited Stock
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Schneider Electric
QO140VSC10
QO140VSC10
Limited Stock
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Schneider Electric
QO2405238
QO2405238
In Stock
From
$52.52
Schneider Electric
QO240GFICP
QO240GFICP
In Stock
From
$585.80
Schneider Electric
QO306EC10
QO306EC10
Limited Stock
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Schneider Electric
QO3100NS
QO3100NS
In Stock
From
$117.81
Schneider Electric
QO316VSC10
QO316VSC10
Limited Stock
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Schneider Electric
QO363EC10
QO363EC10
Limited Stock
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Schneider Electric
QOB115VH35
QOB115VH35
In Stock
From
$36.41
Schneider Electric
QOB130V
QOB130V
In Stock
From
$32.38
Schneider Electric
QOB220GFI5237
QOB220GFI5237
In Stock
From
$239.95
Schneider Electric
QOB250VH1042
QOB250VH1042
In Stock
From
$210.87
Schneider Electric
QOB3705273
QOB3705273
In Stock
From
$853.37
Schneider Electric
QOE120B03
QOE120B03
Limited Stock
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Schneider Electric
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.