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
S263-C40
S263-C40
In Stock
From
$65.16
ABB
S263-D10
S263-D10
In Stock
From
$31.54
ABB
S263-D16
S263-D16
In Stock
From
$23.33
ABB
S263-D20
S263-D20
In Stock
From
$84.20
ABB
S263-D32
S263-D32
In Stock
From
$20.50
ABB
S263-D4
S263-D4
Limited Stock
From
Get Price
ABB
S263-D40
S263-D40
In Stock
From
$59.16
ABB
S263-D6
S263-D6
Limited Stock
From
Get Price
ABB
S263.-C3
S263.-C3
In Stock
From
$123.77
ABB
S263D25
S263D25
In Stock
From
$79.14
ABB
S264-C20
S264-C20
Limited Stock
From
Get Price
ABB
S271-1P-5A
S271-1P-5A
Limited Stock
From
Get Price
ABB
S271-B6
S271-B6
In Stock
From
$9.41
ABB
S271-C10
S271-C10
In Stock
From
$25.00
ABB
S271-C16
S271-C16
Limited Stock
From
Get Price
ABB
S271-K-6-NA
S271-K-6-NA
In Stock
From
$15.60
ABB
S271-K0.5
S271-K0.5
In Stock
From
$25.22
ABB
S271-K1
S271-K1
In Stock
From
$14.57
ABB
S271-K10A
S271-K10A
In Stock
From
$15.11
ABB
S271-K13
S271-K13
In Stock
From
$8.17
ABB
S271-K20
S271-K20
In Stock
From
$14.29
ABB
S271-K25
S271-K25
In Stock
From
$107.85
ABB
S271-K2A
S271-K2A
In Stock
From
$35.64
ABB
S271-K32
S271-K32
In Stock
From
$42.00
ABB
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.