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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
4430.2179
4430.2179
In Stock
From
$49.36
Schurter
4430.2196
4430.2196
In Stock
From
$63.82
Schurter
4430.2259
4430.2259
In Stock
From
$97.27
Schurter
4430.2298
4430.2298
In Stock
From
$78.43
Schurter
4430.2299
4430.2299
In Stock
From
$74.95
Schurter
4430.2303
4430.2303
In Stock
From
$86.03
Schurter
4430.2305
4430.2305
In Stock
From
$82.05
Schurter
4430.2308
4430.2308
In Stock
From
$54.42
Schurter
4430.2309
4430.2309
In Stock
From
$49.44
Schurter
4430.2311
4430.2311
In Stock
From
$49.49
Schurter
4430.2351
4430.2351
In Stock
From
$51.38
Schurter
4430.2487
4430.2487
In Stock
From
$149.97
Schurter
4430.2599
4430.2599
In Stock
From
$54.04
Schurter
4430.2623
4430.2623
In Stock
From
$86.21
Schurter
4430.2643
4430.2643
In Stock
From
$159.27
Schurter
4430.2721
4430.2721
In Stock
From
$97.20
Schurter
4430.2862
4430.2862
In Stock
From
$91.13
Schurter
4430.2904
4430.2904
In Stock
From
$38.54
Schurter
4430.2909
4430.2909
In Stock
From
$89.69
Schurter
4435.0013
4435.0013
In Stock
From
$31.01
Schurter
4435.0022
4435.0022
In Stock
From
$35.59
Schurter
4435.0028
4435.0028
In Stock
From
$22.22
Schurter
4435.0039
4435.0039
In Stock
From
$34.80
Schurter
4435.0041
4435.0041
In Stock
From
$33.81
Schurter
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.