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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
Voltage
504C747G07
504C747G07
In Stock
From
$75.23
Westinghouse
-
504C747G18
504C747G18
In Stock
From
$76.41
Westinghouse
-
545125
545125
In Stock
From
$9.59
Westinghouse
-
5682D24G29
5682D24G29
In Stock
From
$469.96
Westinghouse
-
63E2543
63E2543
In Stock
From
$221.54
Westinghouse
-
656D222G02
656D222G02
In Stock
From
$71.06
Westinghouse
-
656D222G04
656D222G04
Limited Stock
From
Get Price
Westinghouse
-
656D223G02
656D223G02
In Stock
From
$32.54
Westinghouse
-
70E1881
70E1881
In Stock
From
$158.34
Westinghouse
-
731A898G04
731A898G04
Limited Stock
From
Get Price
Westinghouse
-
77802-18BXA
77802-18BXA
In Stock
From
$658.77
Westinghouse
-
999-005
999-005
In Stock
From
$19.11
Westinghouse
-
999-009
999-009
In Stock
From
$27.32
Westinghouse
-
ALB-1-30A
ALB-1-30A
In Stock
From
$57.04
Westinghouse
-
E-7819
E-7819
In Stock
From
Get Price
Eaton
240
EB3090V
EB3090V
In Stock
From
$162.04
Westinghouse
-
FA-3050PV
FA-3050PV
In Stock
From
$580.84
Westinghouse
-
FA2125
FA2125
In Stock
From
$55.47
Westinghouse
-
FA2190M
FA2190M
In Stock
From
$112.64
Westinghouse
-
FA3015-1A1B
FA3015-1A1B
In Stock
From
$177.28
Westinghouse
-
FA3015M
FA3015M
In Stock
From
$581.85
Westinghouse
-
FA3015SM
FA3015SM
In Stock
From
$213.50
Westinghouse
-
FA3080SM
FA3080SM
In Stock
From
$81.70
Westinghouse
-
FB21550ML
FB21550ML
In Stock
From
$70.76
Westinghouse
-
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.