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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
LM2200L
LM2200L
In Stock
From
$597.08
Westinghouse
200
600
LM2225
LM2225
In Stock
From
$786.32
Westinghouse
225
600
LM2225L
LM2225L
In Stock
From
$786.32
Westinghouse
225
600
LM2250
LM2250
In Stock
From
Get Price
Westinghouse
250
600
LM2250L
LM2250L
In Stock
From
Get Price
Westinghouse
250
600
LM2275
LM2275
In Stock
From
$7.68
Westinghouse
275
600
LM2275L
LM2275L
In Stock
From
$2,466.30
Westinghouse
275
600
LM2300
LM2300
In Stock
From
$2,174.98
Westinghouse
300
600
LM2300L
LM2300L
In Stock
From
$2,183.07
Westinghouse
300
600
LM2350
LM2350
In Stock
From
$2,205.18
Westinghouse
350
600
LM2350L
LM2350L
In Stock
From
$2,469.02
Westinghouse
350
600
LM2400
LM2400
In Stock
From
$2,170.16
Westinghouse
400
600
LM2400L
LM2400L
In Stock
From
$2,185.48
Westinghouse
400
600
LM2500
LM2500
In Stock
From
$2,800.75
Westinghouse
500
600
LM2500L
LM2500L
In Stock
From
$2,797.41
Westinghouse
500
600
LM2600
LM2600
In Stock
From
$2,778.18
Westinghouse
600
600
LM2600L
LM2600L
In Stock
From
$2,813.57
Westinghouse
600
600
LM2700
LM2700
In Stock
From
$2,803.26
Westinghouse
700
600
LM2700L
LM2700L
In Stock
From
$3,247.64
Westinghouse
700
600
LM2800
LM2800
In Stock
From
$2,793.22
Westinghouse
800
600
LM2800L
LM2800L
In Stock
From
$3,119.18
Westinghouse
800
600
LM2900
LM2900
In Stock
From
$4,150.55
Westinghouse
900
600
LM2900L
LM2900L
In Stock
From
$4,150.55
Westinghouse
900
600
LM31000
LM31000
In Stock
From
$1,939.73
Westinghouse
1000
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.