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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
1GU12
1GU12
In Stock
From
$7.61
Abl Sursum
1GU2
1GU2
In Stock
From
$19.59
Abl Sursum
1GU20UM
1GU20UM
In Stock
From
$13.97
Abl Sursum
1GU5
1GU5
In Stock
From
$8.89
Abl Sursum
1GU8
1GU8
In Stock
From
$8.15
Abl Sursum
2B.20
2B.20
In Stock
From
$19.44
Abl Sursum
2CU6
2CU6
In Stock
From
$44.07
Abl Sursum
2D32DL
2D32DL
In Stock
From
$50.84
Abl Sursum
2D5UM
2D5UM
In Stock
From
$35.35
Abl Sursum
2DU1
2DU1
In Stock
From
$35.29
Abl Sursum
2DU13
2DU13
In Stock
From
$46.86
Abl Sursum
2DU3
2DU3
In Stock
From
$19.90
Abl Sursum
2DU4
2DU4
In Stock
From
$23.60
Abl Sursum
2DU5
2DU5
In Stock
From
$29.59
Abl Sursum
2DU50
2DU50
In Stock
From
$50.60
Abl Sursum
2DU8
2DU8
In Stock
From
$14.15
Abl Sursum
2GU1
2GU1
In Stock
From
$28.28
Abl Sursum
2GU16
2GU16
In Stock
From
$29.12
Abl Sursum
2GU20
2GU20
In Stock
From
$23.85
Abl Sursum
3C10UL
3C10UL
In Stock
From
$145.44
Abl Sursum
3C15UL
3C15UL
In Stock
From
$147.11
Abl Sursum
3C25UM
3C25UM
Limited Stock
From
Get Price
Abl Sursum
3CU15
3CU15
In Stock
From
$34.09
Abl Sursum
3D2UM
3D2UM
In Stock
From
$50.24
Abl Sursum
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.