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
FA24020AC1021
FA24020AC1021
In Stock
From
$53.46
Square D
20
480
FA24025AB
FA24025AB
In Stock
From
$449.88
Square D
25
480
FA24025BC
FA24025BC
In Stock
From
$411.41
Square D
25
480
FA24030AB
FA24030AB
In Stock
From
$313.48
Square D
30
480
FA24030AC1029
FA24030AC1029
In Stock
From
$313.48
Square D
30
480
FA24030BC
FA24030BC
In Stock
From
$102.91
Square D
30
480
FA24035AB
FA24035AB
In Stock
From
$351.52
Square D
35
480
FA24035AC
FA24035AC
In Stock
From
$428.51
Square D
35
480
FA24035BC
FA24035BC
In Stock
From
$166.28
Square D
35
480
FA24040BC
FA24040BC
In Stock
From
$264.84
Square D
40
480
FA24045AB
FA24045AB
In Stock
From
$401.71
Square D
45
480
FA24045AC
FA24045AC
In Stock
From
$401.71
Square D
45
480
FA24045BC
FA24045BC
In Stock
From
$401.71
Square D
45
480
FA24050AB
FA24050AB
In Stock
From
$320.00
Square D
50
480
FA24050AC
FA24050AC
In Stock
From
$415.38
Square D
50
480
FA24050BC
FA24050BC
In Stock
From
$398.04
Square D
50
480
FA24060BC
FA24060BC
In Stock
From
$366.14
Square D
60
480
FA24070
FA24070
In Stock
From
$407.00
Square D
70
480
FA24070AB
FA24070AB
In Stock
From
$407.00
Square D
70
480
FA24070AC
FA24070AC
In Stock
From
$375.94
Square D
70
480
FA24070BC
FA24070BC
In Stock
From
$410.98
Square D
70
480
FA24080AB
FA24080AB
In Stock
From
$463.94
Square D
80
480
FA24080AC
FA24080AC
In Stock
From
$463.94
Square D
80
480
FA24080BC
FA24080BC
In Stock
From
$257.28
Square D
80
480
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.