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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
25152
25152
Limited Stock
From
Get Price
Merlin Gerin
1
440
25160
25160
In Stock
From
$17.18
Merlin Gerin
10
440
25172
25172
In Stock
From
$124.07
Merlin Gerin
63
440
25185
25185
In Stock
From
$14.54
Merlin Gerin
3
440
25190
25190
Limited Stock
From
Get Price
Merlin Gerin
20
440
25213
25213
In Stock
From
$0.49
Merlin Gerin
3
440
25357
25357
In Stock
From
$497.14
Merlin Gerin
6
440
25359
25359
In Stock
From
$1,379.28
Merlin Gerin
16
440
25386
25386
In Stock
From
$16.32
Merlin Gerin
20
440
25403
25403
In Stock
From
$147.08
Merlin Gerin
50
440
25445
25445
Limited Stock
From
Get Price
Merlin Gerin
2
440
25478
25478
In Stock
From
$74.17
Merlin Gerin
1
440
25481
25481
In Stock
From
$348.01
Merlin Gerin
3
440
25483
25483
In Stock
From
$105.35
Merlin Gerin
6
440
25522
25522
In Stock
From
$19.33
Merlin Gerin
16
440
25523
25523
In Stock
From
$14.40
Merlin Gerin
20
440
27133
27133
In Stock
From
$242.62
Merlin Gerin
50
240
28909
28909
In Stock
From
$92.07
Merlin Gerin
100
750
31114
31114
In Stock
From
$94.70
Merlin Gerin
630
750
31820
31820
In Stock
From
$1,055.29
Merlin Gerin
250
690
C60HC240
C60HC240
Limited Stock
From
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Merlin Gerin
40
440
EZC100H2030
EZC100H2030
Limited Stock
From
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Merlin Gerin
30
690
25847
25847
Limited Stock
From
Get Price
Merlin Gerin
32
240
60949
60949
In Stock
From
$12.77
Schneider Electric
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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.