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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
BQD6230
BQD6230
In Stock
From
$110.93
Siemens
30
600
BQD6235
BQD6235
In Stock
From
$178.36
Siemens
35
600
BQD6315
BQD6315
In Stock
From
$243.54
Siemens
15
600
BQD6320
BQD6320
In Stock
From
$349.97
Siemens
20
600
BQD6325
BQD6325
In Stock
From
$308.04
Siemens
25
600
BQD6330
BQD6330
In Stock
From
$540.46
Siemens
30
600
BQD6350
BQD6350
In Stock
From
$293.41
Siemens
50
600
BQD6360
BQD6360
In Stock
From
$283.70
Siemens
60
600
CA2100
CA2100
In Stock
From
$382.14
Cutler Hammer
100
240
CA2100S3
CA2100S3
In Stock
From
$258.61
Cutler Hammer
100
240
CA2125S3
CA2125S3
In Stock
From
$360.89
Cutler Hammer
125
240
CA2150S3
CA2150S3
In Stock
From
$935.80
Cutler Hammer
150
240
CA2175S3
CA2175S3
In Stock
From
$1,095.31
Cutler Hammer
175
240
CA2225N
CA2225N
In Stock
From
$856.79
Cutler Hammer
225
240
CA2225S3
CA2225S3
In Stock
From
$856.79
Cutler Hammer
225
240
CA2225W
CA2225W
In Stock
From
$1,749.61
Cutler Hammer
225
240
CA2225X
CA2225X
In Stock
From
$1,749.61
Cutler Hammer
225
240
CA2225Y
CA2225Y
In Stock
From
$1,749.61
Cutler Hammer
225
240
CAH2100
CAH2100
In Stock
From
$407.59
Cutler Hammer
100
240
CAH2100W
CAH2100W
In Stock
From
$407.59
Cutler Hammer
100
240
CAH2100X
CAH2100X
In Stock
From
$407.59
Cutler Hammer
100
240
CAH2100Y
CAH2100Y
In Stock
From
$407.59
Cutler Hammer
100
240
CAH2125Y
CAH2125Y
In Stock
From
$777.94
Cutler Hammer
125
240
CAH2150
CAH2150
In Stock
From
$205.99
Cutler Hammer
150
240
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.