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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
QOUR225
QOUR225
In Stock
From
$84.65
Schneider Electric
QOUR235
QOUR235
In Stock
From
$82.85
Schneider Electric
QOUR325
QOUR325
In Stock
From
$313.86
Schneider Electric
QUO120
QUO120
In Stock
From
$27.71
Schneider Electric
R9D87820
R9D87820
Limited Stock
From
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Schneider Electric
R9R85291
R9R85291
Limited Stock
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Schneider Electric
RCD240/30
RCD240/30
In Stock
From
$78.99
Schneider Electric
RGM631004
RGM631004
Limited Stock
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Schneider Electric
RMG-250302
RMG-250302
In Stock
From
$41.64
Schneider Electric
RMG250304
RMG250304
Limited Stock
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Schneider Electric
RMG400304
RMG400304
Limited Stock
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Schneider Electric
RMG630304
RMG630304
Limited Stock
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Schneider Electric
RMG631004
RMG631004
Limited Stock
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Schneider Electric
S24390
S24390
In Stock
From
$533.60
Schneider Electric
SC1624M100S
SC1624M100S
In Stock
From
$429.40
Schneider Electric
SDT-115
SDT-115
In Stock
From
$73.14
Schneider Electric
SE160MCCB3L
SE160MCCB3L
Limited Stock
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Schneider Electric
SEE106B03
SEE106B03
Limited Stock
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Schneider Electric
SEE116B03
SEE116B03
Limited Stock
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Schneider Electric
SEE132B03
SEE132B03
Limited Stock
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Schneider Electric
SFA1025A
SFA1025A
Limited Stock
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Schneider Electric
SKA-3200
SKA-3200
Limited Stock
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Schneider Electric
SKAL3225
SKAL3225
Limited Stock
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Schneider Electric
SLA3000M
SLA3000M
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.