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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
40
40
In Stock
From
$17.37
Federal Pacific
40
120
HEF213015
HEF213015
In Stock
From
$54.54
Federal Pacific
15
277
HEF213020
HEF213020
In Stock
From
$51.18
Federal Pacific
20
277
HEF213025
HEF213025
In Stock
From
$117.96
Federal Pacific
25
277
HEF213030
HEF213030
In Stock
From
$77.34
Federal Pacific
30
277
HEF213035
HEF213035
In Stock
From
$112.56
Federal Pacific
35
277
HEF213040
HEF213040
In Stock
From
$78.21
Federal Pacific
40
277
HEF213045
HEF213045
In Stock
From
$114.73
Federal Pacific
45
277
HEF213050
HEF213050
In Stock
From
$76.59
Federal Pacific
50
277
HEF425015
HEF425015
In Stock
From
$186.34
Federal Pacific
15
480
HEF425020
HEF425020
In Stock
From
$275.55
Federal Pacific
20
480
HEF425025
HEF425025
In Stock
From
$187.50
Federal Pacific
25
480
HEF425030
HEF425030
In Stock
From
$190.47
Federal Pacific
30
480
HEF425035
HEF425035
In Stock
From
$273.90
Federal Pacific
35
480
HEF425040
HEF425040
In Stock
From
$186.98
Federal Pacific
40
480
HEF425045
HEF425045
In Stock
From
$186.02
Federal Pacific
45
480
HEF425050
HEF425050
In Stock
From
$192.22
Federal Pacific
50
480
HEF425060
HEF425060
In Stock
From
$288.10
Federal Pacific
60
480
HEF425070
HEF425070
In Stock
From
$281.54
Federal Pacific
70
480
HEF425080
HEF425080
In Stock
From
$222.08
Federal Pacific
80
480
HEF425090
HEF425090
In Stock
From
$224.24
Federal Pacific
90
480
HEF425100
HEF425100
In Stock
From
$259.53
Federal Pacific
100
480
HEF435015
HEF435015
In Stock
From
$329.87
Federal Pacific
15
480
HEF435020
HEF435020
In Stock
From
$335.52
Federal Pacific
20
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.