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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
MH115
MH115
In Stock
From
$13.00
Crouse-Hinds
15
120
MH15
MH15
In Stock
From
$13.37
Crouse-Hinds
15
240
MD2150
MD2150
Limited Stock
From
Get Price
Crouse-Hinds
150
240
MD2200V
MD2200V
In Stock
From
$477.13
Crouse-Hinds
200
240
MH230
MH230
In Stock
From
$151.14
Crouse-Hinds
30
240
MDH2150
MDH2150
In Stock
From
$473.66
Crouse-Hinds
150
240
MH115L
MH115L
In Stock
From
$14.04
Crouse-Hinds
15
120
MH120
MH120
In Stock
From
$19.30
Crouse-Hinds
20
120
MH130
MH130
In Stock
From
$26.00
Crouse-Hinds
30
120
MH215
MH215
In Stock
From
$10.33
Crouse-Hinds
15
240
MH220
MH220
In Stock
From
$25.05
Crouse-Hinds
20
240
MB120
MB120
In Stock
From
$6.56
Crouse-Hinds
20
240
MH1515
MH1515
In Stock
From
$1.22
Crouse-Hinds
15
120
MH240
MH240
In Stock
From
$10.17
Crouse-Hinds
40
240
MH330
MH330
In Stock
From
$3.18
Crouse-Hinds
30
240
CVS2150X
CVS2150X
In Stock
From
Get Price
Crouse-Hinds
150
240
MH315
MH315
In Stock
From
Get Price
Crouse-Hinds
15
240
MM120L
MM120L
Limited Stock
From
Get Price
Crouse-Hinds
20
120
MD2175
MD2175
Limited Stock
From
Get Price
Crouse-Hinds
175
240
MD2200
MD2200
Limited Stock
From
Get Price
Crouse-Hinds
200
240
MD2200H
MD2200H
Limited Stock
From
Get Price
Crouse-Hinds
200
240
MM115L
MM115L
Limited Stock
From
Get Price
Crouse-Hinds
15
120
MM115R
MM115R
Limited Stock
From
Get Price
Crouse-Hinds
15
120
MM120R
MM120R
Limited Stock
From
Get Price
Crouse-Hinds
20
120
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.