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
6720005388
6720005388
Limited Stock
From
Get Price
Weidmuller
7940102572
7940102572
Limited Stock
From
Get Price
Weidmuller
9104153500
9104153500
Limited Stock
From
Get Price
Weidmuller
9104353500
9104353500
Limited Stock
From
Get Price
Weidmuller
BR1C16UC
BR1C16UC
Limited Stock
From
Get Price
Weidmuller
BR1C5UC
BR1C5UC
Limited Stock
From
Get Price
Weidmuller
BR1D40AC
BR1D40AC
Limited Stock
From
Get Price
Weidmuller
BR2D60UC
BR2D60UC
Limited Stock
From
Get Price
Weidmuller
CB4201-10.0.2A/TS35
CB4201-10.0.2A/TS35
Limited Stock
From
Get Price
Weidmuller
2477480000
2477480000
Limited Stock
From
Get Price
Weidmuller
2477790000
2477790000
Limited Stock
From
Get Price
Weidmuller
2477900000
2477900000
Limited Stock
From
Get Price
Weidmuller
2477930000
2477930000
Limited Stock
From
Get Price
Weidmuller
2478470000
2478470000
Limited Stock
From
Get Price
Weidmuller
2478650000
2478650000
Limited Stock
From
Get Price
Weidmuller
2478890000
2478890000
Limited Stock
From
Get Price
Weidmuller
2480060000
2480060000
Limited Stock
From
Get Price
Weidmuller
2480100000
2480100000
Limited Stock
From
Get Price
Weidmuller
2480340000
2480340000
Limited Stock
From
Get Price
Weidmuller
7940102573
7940102573
Limited Stock
From
Get Price
Weidmuller
7940102580
7940102580
Limited Stock
From
Get Price
Weidmuller
7940102609
7940102609
Limited Stock
From
Get Price
Weidmuller
7940102618
7940102618
Limited Stock
From
Get Price
Weidmuller
7940102666
7940102666
Limited Stock
From
Get Price
Weidmuller
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.