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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
QOU6
QOU6
In Stock
From
$25.79
Schneider Electric
-
-
QOUQ115
QOUQ115
In Stock
From
$43.62
Schneider Electric
-
-
RJF36160CU64AE1ACB
RJF36160CU64AE1ACB
In Stock
From
$1,571.19
Square D
-
-
RL3TB
RL3TB
In Stock
From
$727.09
Schneider Electric
-
-
RSD-40102
RSD-40102
Limited Stock
From
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Schneider Electric
-
-
RSD-80032
RSD-80032
Limited Stock
From
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Schneider Electric
-
-
SKCL325032M
SKCL325032M
Limited Stock
From
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Schneider Electric
-
-
SQO106EC6
SQO106EC6
Limited Stock
From
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Schneider Electric
-
-
SQOR110B03
SQOR110B03
Limited Stock
From
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Schneider Electric
-
-
VC400LA35
VC400LA35
In Stock
From
$258.56
Schneider Electric
-
-
VW3E7037000800
VW3E7037000800
Limited Stock
From
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Schneider Electric
-
-
X13050977004
X13050977004
In Stock
From
$796.49
Schneider Electric
-
-
A9C64440
A9C64440
Limited Stock
From
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Schneider Electric
-
-
A9C65240
A9C65240
Limited Stock
From
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Schneider Electric
-
-
A9D05810
A9D05810
Limited Stock
From
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Schneider Electric
-
-
A9D17820
A9D17820
Limited Stock
From
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Schneider Electric
-
-
A9D17832
A9D17832
Limited Stock
From
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Schneider Electric
-
-
A9D33620
A9D33620
Limited Stock
From
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Schneider Electric
-
-
A9DG4606
A9DG4606
Limited Stock
From
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Schneider Electric
-
-
IF36025
IF36025
In Stock
From
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Schneider Electric
25
600
LV429253
LV429253
Limited Stock
From
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Schneider Electric
-
-
MG27156
MG27156
In Stock
From
$57.20
Schneider Electric
-
-
MG27157
MG27157
In Stock
From
$41.87
Schneider Electric
-
-
MG27186
MG27186
In Stock
From
$102.59
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.