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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.
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Part Number
PRICE
Manufacturer
2478090000
2478090000
In Stock
From
$78.72
Weidmuller
2478100000
2478100000
In Stock
From
$56.01
Weidmuller
2478180000
2478180000
In Stock
From
$174.47
Weidmuller
2478360000
2478360000
In Stock
From
$561.49
Weidmuller
2478390000
2478390000
In Stock
From
$38.75
Weidmuller
2478460000
2478460000
In Stock
From
$591.05
Weidmuller
2478680000
2478680000
In Stock
From
$90.90
Weidmuller
2478690000
2478690000
In Stock
From
$74.34
Weidmuller
2478700000
2478700000
In Stock
From
$47.47
Weidmuller
2478830000
2478830000
In Stock
From
$46.10
Weidmuller
2478920000
2478920000
In Stock
From
$168.45
Weidmuller
2479140000
2479140000
In Stock
From
$119.08
Weidmuller
2479170000
2479170000
In Stock
From
$170.39
Weidmuller
2479240000
2479240000
In Stock
From
$198.09
Weidmuller
2479870000
2479870000
In Stock
From
$41.97
Weidmuller
2480040000
2480040000
In Stock
From
$45.78
Weidmuller
2480070000
2480070000
In Stock
From
$20.54
Weidmuller
2480200000
2480200000
In Stock
From
$25.54
Weidmuller
2480390000
2480390000
In Stock
From
$52.93
Weidmuller
2480400000
2480400000
In Stock
From
$115.81
Weidmuller
2481170000
2481170000
In Stock
From
$54.49
Weidmuller
2515530000
2515530000
In Stock
From
$78.77
Weidmuller
6720005306
6720005306
In Stock
From
$124.95
Weidmuller
7940099227
7940099227
In Stock
From
$69.82
Weidmuller
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.