1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Molded Case Circuit Breaker

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
LCLG3250F
LCLG3250F
In Stock
From
$7,920.00
Eaton
250
600
LD2300W
LD2300W
In Stock
From
Get Price
Westinghouse
300
600
LD2300X
LD2300X
In Stock
From
$2,209.62
Eaton
300
600
LD2300Y
LD2300Y
In Stock
From
Get Price
Westinghouse
300
600
LD2350W
LD2350W
In Stock
From
$1,482.98
Cutler Hammer
350
600
LD2350X
LD2350X
In Stock
From
$1,482.98
Cutler Hammer
350
600
LD2350Y
LD2350Y
In Stock
From
$2,648.45
Westinghouse
350
600
LD2400W
LD2400W
In Stock
From
$936.70
Cutler Hammer
400
600
LD2400X
LD2400X
In Stock
From
$1,234.86
Eaton
400
600
LD2400Y
LD2400Y
In Stock
From
$936.70
Cutler Hammer
400
600
LD2450W
LD2450W
In Stock
From
$1,253.17
Westinghouse
450
600
LD2450X
LD2450X
In Stock
From
$1,761.16
Cutler Hammer
450
600
LD2450Y
LD2450Y
In Stock
From
$1,249.57
Westinghouse
450
600
LD2500W
LD2500W
In Stock
From
$1,761.24
Cutler Hammer
500
600
LD2500X
LD2500X
In Stock
From
$2,418.51
Westinghouse
500
600
LD2500Y
LD2500Y
In Stock
From
$1,761.24
Cutler Hammer
500
600
LD2600W
LD2600W
In Stock
From
$2,289.93
Eaton
600
600
LD2600X
LD2600X
In Stock
From
$1,544.73
Cutler Hammer
600
600
LD2600Y
LD2600Y
In Stock
From
$1,445.85
Cutler Hammer
600
600
LDB2300
LDB2300
In Stock
From
$1,011.72
Eaton
300
600
LDB2300X
LDB2300X
In Stock
From
$1,253.17
Eaton
300
600
LDB2300Y
LDB2300Y
In Stock
From
Get Price
Westinghouse
300
600
LDB2350
LDB2350
In Stock
From
$1,220.13
Westinghouse
350
600
LDB2350X
LDB2350X
In Stock
From
$8,607.46
Westinghouse
350
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.