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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
IKL36175
IKL36175
In Stock
From
$9.25
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IL34250
IL34250
In Stock
From
$648.51
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JGF36000S25ABHJ00
JGF36000S25ABHJ00
In Stock
From
$210.96
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JGF36000S25ABSOHJ00
JGF36000S25ABSOHJ00
In Stock
From
$210.96
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JGN36000S25ABSOHJ00
JGN36000S25ABSOHJ00
In Stock
From
$469.78
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JGP36150TAB
JGP36150TAB
In Stock
From
$6.82
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JJF36250CU31X
JJF36250CU31X
In Stock
From
$490.98
Square D
JKL2B600
JKL2B600
In Stock
From
$0.02
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JLL36250U43XEN
JLL36250U43XEN
In Stock
From
$933.34
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JLL37150D81
JLL37150D81
In Stock
From
$2,771.97
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KAL26175BLACK
KAL26175BLACK
In Stock
From
$0.02
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KCB34110
KCB34110
In Stock
From
$120.62
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KCJ34225
KCJ34225
In Stock
From
$120.68
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KCJ342251352
KCJ342251352
In Stock
From
$177.24
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KDLC32200
KDLC32200
In Stock
From
$34.89
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KH36000M
KH36000M
In Stock
From
$192.16
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KHB361251021
KHB361251021
In Stock
From
$37.47
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KHL36200G1254
KHL36200G1254
In Stock
From
$101.51
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KHL362501291
KHL362501291
In Stock
From
$858.84
Square D
KIJ34175
KIJ34175
In Stock
From
$2.68
Square D
LAB36300MT
LAB36300MT
In Stock
From
$333.33
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LAF3640036MV
LAF3640036MV
In Stock
From
$218.27
Square D
LAL26000M
LAL26000M
In Stock
From
$1.26
Square D
LAL36125F7
LAL36125F7
In Stock
From
$23.13
Square D
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.