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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
LDC2450X
LDC2450X
In Stock
From
$2,170.46
Westinghouse
450
600
LDC2450Y
LDC2450Y
In Stock
From
$2,162.51
Westinghouse
450
600
LDC2500
LDC2500
In Stock
From
$1,488.40
Westinghouse
500
600
LDC2500W
LDC2500W
In Stock
From
$2,168.74
Eaton
500
600
LDC2500X
LDC2500X
In Stock
From
$2,163.80
Cutler Hammer
500
600
LDC2500Y
LDC2500Y
In Stock
From
$2,165.52
Westinghouse
500
600
LDC2600
LDC2600
In Stock
From
$1,496.18
Westinghouse
600
600
LDC2600W
LDC2600W
In Stock
From
$2,146.96
Cutler Hammer
600
600
LDC2600X
LDC2600X
In Stock
From
$2,145.74
Westinghouse
600
600
LDC2600Y
LDC2600Y
In Stock
From
$1,811.98
Westinghouse
600
600
MA2125S
MA2125S
In Stock
From
$702.05
Westinghouse
125
600
MA2150
MA2150
In Stock
From
$805.96
Westinghouse
150
600
MA2150S
MA2150S
In Stock
From
$805.96
Westinghouse
150
600
MA2175
MA2175
In Stock
From
$685.40
Westinghouse
175
600
MA2175S
MA2175S
In Stock
From
$685.40
Westinghouse
175
600
MA2200
MA2200
In Stock
From
$438.94
Westinghouse
200
600
MA2200S
MA2200S
In Stock
From
$452.16
Westinghouse
200
600
MA2225S
MA2225S
In Stock
From
$886.32
Westinghouse
225
600
MA2250
MA2250
In Stock
From
$887.39
Westinghouse
250
600
MA2250S
MA2250S
In Stock
From
$887.39
Westinghouse
250
600
MA2300
MA2300
In Stock
From
$944.73
Westinghouse
300
600
MA2300S
MA2300S
In Stock
From
$834.62
Westinghouse
300
600
MA2350
MA2350
In Stock
From
$69.50
Westinghouse
350
600
MA2350S
MA2350S
In Stock
From
$69.50
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.