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
LA36002103
LA36002103
Limited Stock
From
Get Price
Westinghouse
600
600
LA3600KG
LA3600KG
Limited Stock
From
Get Price
Westinghouse
600
600
LA3600N
LA3600N
Limited Stock
From
Get Price
Westinghouse
600
600
LA3600SN
LA3600SN
Limited Stock
From
Get Price
Westinghouse
600
600
LA3600SV
LA3600SV
Limited Stock
From
Get Price
Westinghouse
600
600
LA3600WKG
LA3600WKG
Limited Stock
From
Get Price
Westinghouse
600
600
LAB2125A
LAB2125A
Limited Stock
From
Get Price
Westinghouse
125
600
LAB2125SV
LAB2125SV
Limited Stock
From
Get Price
Westinghouse
125
600
LAB2125V
LAB2125V
Limited Stock
From
Get Price
Westinghouse
125
600
LAB2150A
LAB2150A
Limited Stock
From
Get Price
Westinghouse
150
600
LAB2150SV
LAB2150SV
Limited Stock
From
Get Price
Westinghouse
150
600
LAB2150V
LAB2150V
Limited Stock
From
Get Price
Westinghouse
150
600
LAB2175A
LAB2175A
Limited Stock
From
Get Price
Westinghouse
175
600
LAB2175SV
LAB2175SV
Limited Stock
From
Get Price
Westinghouse
175
600
LAB2175V
LAB2175V
Limited Stock
From
Get Price
Westinghouse
175
600
LAB2200A
LAB2200A
Limited Stock
From
Get Price
Westinghouse
200
600
LAB2200SV
LAB2200SV
Limited Stock
From
Get Price
Westinghouse
200
600
LAB2200V
LAB2200V
Limited Stock
From
Get Price
Westinghouse
200
600
LAB2225A
LAB2225A
Limited Stock
From
Get Price
Westinghouse
225
600
LAB2225SV
LAB2225SV
Limited Stock
From
Get Price
Westinghouse
225
600
LAB2225V
LAB2225V
Limited Stock
From
Get Price
Westinghouse
225
600
LAB2250A
LAB2250A
Limited Stock
From
Get Price
Westinghouse
250
600
LAB2250SV
LAB2250SV
Limited Stock
From
Get Price
Westinghouse
250
600
LAB2250V
LAB2250V
Limited Stock
From
Get Price
Westinghouse
250
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.