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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
Amperage
Voltage
25732
25732
In Stock
From
$33.65
Schneider Electric
32
480
25798
25798
In Stock
From
$23.60
Schneider Electric
2
240
25809
25809
In Stock
From
$3.87
Merlin Gerin
63
240
25818
25818
In Stock
From
$28.09
Schneider Electric
20
440
25820
25820
In Stock
From
$3.77
Schneider Electric
32
440
25821
25821
In Stock
From
$18.62
Merlin Gerin
40
440
25842
25842
In Stock
From
$10.32
Schneider Electric
6
240
25844
25844
In Stock
From
$6.85
Merlin Gerin
16
240
25878
25878
In Stock
From
$19.20
Merlin Gerin
1
440
29003
29003
In Stock
From
$98.47
Merlin Gerin
100
690
29004
29004
Limited Stock
From
Get Price
Merlin Gerin
100
690
29005
29005
In Stock
From
$84.10
Merlin Gerin
100
690
29008
29008
In Stock
From
$999.90
Merlin Gerin
100
690
29675
29675
In Stock
From
$78.78
Merlin Gerin
16
690
31403
31403
In Stock
From
$4.95
Merlin Gerin
250
690
31671
31671
In Stock
From
$1,955.32
Merlin Gerin
200
690
31715
31715
In Stock
From
$748.45
Schneider Electric
80
690
32405
32405
Limited Stock
From
Get Price
Schneider Electric
400
690
32678
32678
In Stock
From
$128.40
Merlin Gerin
300
690
32679
32679
In Stock
From
$215.13
Schneider Electric
250
690
32803
32803
In Stock
From
$29.64
Merlin Gerin
630
690
32804
32804
In Stock
From
$190.65
Merlin Gerin
630
690
32877
32877
In Stock
From
$720.70
Schneider Electric
500
690
32895
32895
Limited Stock
From
Get Price
Merlin Gerin
630
690
Popular Molded Case Circuit Breaker Manufacturers
Eaton
Square D
ABB
Siemens

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.