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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.
SORT BY
Part Number
PRICE
Manufacturer
Amperage
Voltage
KA26200AC-BLK
KA26200AC-BLK
In Stock
From
$609.83
Square D
-
-
KAB36225-S1380
KAB36225-S1380
In Stock
From
$74.93
Square D
-
-
KAL260701448
KAL260701448
In Stock
From
$22.22
Square D
-
-
KAL2625031MV1052
KAL2625031MV1052
In Stock
From
$11.11
Square D
-
-
KAL3622531M
KAL3622531M
In Stock
From
$721.40
Schneider Electric
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-
KAP26150AC
KAP26150AC
In Stock
From
$203.78
Square D
-
-
KAP36125-BLK
KAP36125-BLK
In Stock
From
$109.02
Square D
-
-
KC24150CA
KC24150CA
In Stock
From
$111.11
Square D
-
-
KCP34125-GRY
KCP34125-GRY
In Stock
From
$333.33
Square D
-
-
KHB36225-GRY
KHB36225-GRY
In Stock
From
$166.67
Square D
-
-
KHL36000M8041
KHL36000M8041
In Stock
From
Get Price
Square D
250
600
KHL36150DC
KHL36150DC
In Stock
From
$0.02
Square D
-
-
KHL36225220DCV1616
KHL36225220DCV1616
In Stock
From
$11.11
Square D
-
-
KHL3622530MS
KHL3622530MS
In Stock
From
$0.02
Square D
-
-
KHL3625025DC1625
KHL3625025DC1625
In Stock
From
$11.11
Square D
-
-
LA26275
LA26275
In Stock
From
$55.56
Square D
-
-
LA363250
LA363250
In Stock
From
$37.47
Square D
-
-
LAL26400MD
LAL26400MD
In Stock
From
$0.02
Square D
-
-
LAL36350BLK
LAL36350BLK
In Stock
From
$0.02
Square D
-
-
LCP36350MT
LCP36350MT
In Stock
From
$555.56
Square D
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-
LGA36400U33XYP
LGA36400U33XYP
In Stock
From
$688.94
Square D
-
-
LHB36400MT-GRY
LHB36400MT-GRY
In Stock
From
$277.78
Square D
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-
LJA36400U53XEB
LJA36400U53XEB
In Stock
From
$3,973.69
Square D
-
-
LJM36600U43XEN
LJM36600U43XEN
In Stock
From
$654.69
Square D
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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.