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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
32803
32803
In Stock
From
$37.05
Merlin Gerin
630
690
32804
32804
In Stock
From
$189.39
Merlin Gerin
630
690
32808
32808
Limited Stock
From
Get Price
Schneider Electric
630
690
32876
32876
In Stock
From
$35.66
Schneider Electric
600
690
32877
32877
In Stock
From
$900.88
Schneider Electric
500
690
32957
32957
In Stock
From
$0.68
Merlin Gerin
630
440
330-T25S2D63
330-T25S2D63
In Stock
From
$114.97
C3 Controls
6.3
-
36810
36810
In Stock
From
$4.44
Merlin Gerin
150
600
368D769G05
368D769G05
In Stock
From
$696.22
Westinghouse
125
600
368D769G06
368D769G06
In Stock
From
$644.77
Westinghouse
150
600
368D769G07
368D769G07
In Stock
From
$548.32
Westinghouse
175
600
368D769G08
368D769G08
In Stock
From
$361.73
Westinghouse
200
600
368D769G09
368D769G09
In Stock
From
$709.06
Westinghouse
225
600
368D769G10
368D769G10
In Stock
From
$709.91
Westinghouse
250
600
368D769G11
368D769G11
In Stock
From
$667.70
Westinghouse
300
600
368D769G12
368D769G12
In Stock
From
$55.60
Westinghouse
350
600
368D769G13
368D769G13
In Stock
From
$1,285.57
Westinghouse
400
600
368D769G20
368D769G20
In Stock
From
$512.23
Westinghouse
125
600
368D769G21
368D769G21
In Stock
From
$725.90
Westinghouse
150
600
368D769G22
368D769G22
In Stock
From
$752.99
Westinghouse
175
600
368D769G23
368D769G23
In Stock
From
$521.81
Westinghouse
200
600
368D769G24
368D769G24
In Stock
From
$483.43
Westinghouse
225
600
368D769G25
368D769G25
In Stock
From
Get Price
Westinghouse
250
600
368D769G26
368D769G26
In Stock
From
$1,148.81
Westinghouse
300
600
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.