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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
OSMC32N1C3
OSMC32N1C3
In Stock
From
$10.57
Schneider Electric
3
440
OSMC65H3C63
OSMC65H3C63
In Stock
From
$33.07
Schneider Electric
63
480
PJA36080CU43CE1ACSA
PJA36080CU43CE1ACSA
In Stock
From
Get Price
Schneider Electric
800
-
QO220GFIC
QO220GFIC
In Stock
From
$217.00
Schneider Electric
-
-
QOUR270
QOUR270
In Stock
From
$40.38
Square D
70
240
25847
25847
Limited Stock
From
Get Price
Merlin Gerin
32
240
A9N18566
A9N18566
In Stock
From
$135.52
Schneider Electric
-
-
BDA34125SA
BDA34125SA
In Stock
From
Get Price
Schneider Electric
-
480
FA341001121
FA341001121
In Stock
From
$152.78
Square D
-
-
FAB24015AB
FAB24015AB
In Stock
From
$423.68
Square D
15
480
FCB34040
FCB34040
In Stock
From
$466.47
Square D
40
480
FCJ340201352
FCJ340201352
In Stock
From
$182.78
Schneider Electric
20
480
FCJ340301352
FCJ340301352
In Stock
From
$156.62
Schneider Electric
30
480
FCL240401202
FCL240401202
In Stock
From
$184.49
Square D
40
480
GV2ME203
GV2ME203
Limited Stock
From
Get Price
Schneider Electric
-
-
JGL36000S25LW
JGL36000S25LW
In Stock
From
Get Price
Square D
250
600
JJA36150RP
JJA36150RP
In Stock
From
$977.89
Square D
150
600
JJA36175SN
JJA36175SN
In Stock
From
$780.07
Square D
175
600
JJA36225AB
JJA36225AB
In Stock
From
$2,277.23
Square D
225
600
JJL36250M75LH
JJL36250M75LH
In Stock
From
$1,060.97
Schneider Electric
-
-
LA364001032
LA364001032
In Stock
From
$2,457.86
Square D
400
600
LA364001254
LA364001254
In Stock
From
$1,474.72
Square D
400
600
LA3640022M
LA3640022M
Limited Stock
From
Get Price
Square D
400
600
LA3640035M
LA3640035M
In Stock
From
$809.14
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.