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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
2480940000
2480940000
In Stock
From
$31.91
Weidmuller
2481040000
2481040000
In Stock
From
$74.32
Weidmuller
2481110000
2481110000
In Stock
From
$103.12
Weidmuller
2481200000
2481200000
In Stock
From
$99.44
Weidmuller
2481310000
2481310000
In Stock
From
$99.44
Weidmuller
2515520000
2515520000
In Stock
From
$25.62
Weidmuller
2515540000
2515540000
In Stock
From
$147.43
Weidmuller
7940098977
7940098977
In Stock
From
$95.51
Weidmuller
7940099234
7940099234
In Stock
From
$55.05
Weidmuller
7940099235
7940099235
In Stock
From
$201.73
Weidmuller
7940100346
7940100346
In Stock
From
$224.26
Weidmuller
7940100381
7940100381
In Stock
From
$268.40
Weidmuller
7940100385
7940100385
In Stock
From
$290.05
Weidmuller
7940100386
7940100386
In Stock
From
$355.82
Weidmuller
7940100394
7940100394
In Stock
From
$290.05
Weidmuller
7940102165
7940102165
In Stock
From
$144.06
Weidmuller
7940102172
7940102172
In Stock
From
$127.19
Weidmuller
7940102186
7940102186
In Stock
From
$133.36
Weidmuller
7940102266
7940102266
In Stock
From
$140.95
Weidmuller
7940102267
7940102267
In Stock
From
$134.21
Weidmuller
7940102282
7940102282
In Stock
From
$275.21
Weidmuller
7940102452
7940102452
In Stock
From
$204.26
Weidmuller
7940102457
7940102457
In Stock
From
$225.54
Weidmuller
7940102576
7940102576
In Stock
From
$67.57
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.