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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
LV432876
LV432876
In Stock
From
$535.92
Schneider Electric
630
690
MGL36800E10
MGL36800E10
In Stock
From
$6,116.10
Square D
800
600
PGL36060CU33A
PGL36060CU33A
In Stock
From
$8,900.74
Square D
600
600
QGL22200LW
QGL22200LW
In Stock
From
$156.87
Square D
200
240
QOB120VH
QOB120VH
In Stock
From
$55.58
Square D
20
120
QOB3100VH1021
QOB3100VH1021
In Stock
From
$398.46
Square D
100
240
FHL3603015M8041
FHL3603015M8041
In Stock
From
$11.11
Square D
30
600
PGA36080CU44A
PGA36080CU44A
In Stock
From
$11,276.11
Square D
-
600
QOUR210
QOUR210
In Stock
From
$80.19
Schneider Electric
10
240
QOUR215
QOUR215
In Stock
From
$43.45
Schneider Electric
15
240
QOUR225
QOUR225
In Stock
From
$62.62
Schneider Electric
25
240
QOUR235
QOUR235
In Stock
From
$63.89
Schneider Electric
35
240
25640
25640
In Stock
From
$9.44
Merlin Gerin
2
240
25648
25648
In Stock
From
$2.17
Merlin Gerin
32
240
25652
25652
Limited Stock
From
Get Price
Merlin Gerin
63
240
25653
25653
In Stock
From
$29.35
Square D
1
480
25657
25657
In Stock
From
$48.98
Square D
6
480
25658
25658
In Stock
From
$13.19
Merlin Gerin
10
480
25666
25666
Limited Stock
From
Get Price
Merlin Gerin
63
480
25672
25672
In Stock
From
$16.78
Merlin Gerin
10
480
25698
25698
In Stock
From
$29.89
Merlin Gerin
4
240
25699
25699
In Stock
From
$12.19
Square D
6
240
25710
25710
In Stock
From
$63.17
Merlin Gerin
2
480
25712
25712
In Stock
From
$18.87
Merlin Gerin
4
480
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.