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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
JLL26200
JLL26200
In Stock
From
$2,103.83
Square D
200
600
JLL37150D81
JLL37150D81
In Stock
From
$2,245.29
Square D
150
500
JLP36150
JLP36150
In Stock
From
$4,229.92
Square D
150
600
KDL32110
KDL32110
In Stock
From
$589.18
Schneider Electric
110
240
KDL32125
KDL32125
In Stock
From
$276.54
Square D
125
240
KDL32175
KDL32175
In Stock
From
$461.72
Square D
175
240
KDL32250
KDL32250
In Stock
From
$372.30
Schneider Electric
250
240
KGL32125
KGL32125
In Stock
From
$383.48
Schneider Electric
125
240
KGL32150
KGL32150
In Stock
From
$1,648.70
Schneider Electric
150
240
KGL32200
KGL32200
In Stock
From
$411.16
Schneider Electric
200
240
KGL32225
KGL32225
In Stock
From
$268.19
Square D
225
240
LA364002353
LA364002353
In Stock
From
$2,166.95
Square D
400
600
LAL3640030M
LAL3640030M
In Stock
From
$5,835.92
Schneider Electric
400
600
LDA36600U44X
LDA36600U44X
In Stock
From
$2,660.36
Schneider Electric
600
600
LDL36250U33X
LDL36250U33X
In Stock
From
$6,043.22
Schneider Electric
250
600
LDP36250U33X
LDP36250U33X
In Stock
From
$1,944.00
Square D
250
600
LGA36000S40X
LGA36000S40X
Limited Stock
From
Get Price
Schneider Electric
400
600
LGF36600
LGF36600
In Stock
From
$5,298.05
Schneider Electric
600
600
LGN36400U33X
LGN36400U33X
In Stock
From
$315.00
Square D
400
600
LGP36250CU31X
LGP36250CU31X
In Stock
From
$888.89
Schneider Electric
250
600
LHL363501685
LHL363501685
In Stock
From
$1,425.23
Square D
350
600
LHL363508041
LHL363508041
In Stock
From
$787.94
Square D
350
600
LHL3640030DC1684
LHL3640030DC1684
In Stock
From
$2,329.30
Square D
400
600
LHL3640033M1214
LHL3640033M1214
In Stock
From
$2,329.30
Square D
400
600
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.