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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
60161
60161
In Stock
From
$167.67
Square D
10
240
60164
60164
In Stock
From
$149.24
Schneider Electric
20
240
60166
60166
In Stock
From
$20.41
Square D
30
240
60180
60180
In Stock
From
$199.64
Schneider Electric
20
240
60230
60230
In Stock
From
$12.89
Square D
20
240
60238
60238
In Stock
From
$11.09
Square D
3
240
60273
60273
In Stock
From
$215.76
Square D
5
240
60284
60284
In Stock
From
$104.05
Square D
1
240
674605
674605
Limited Stock
From
Get Price
General Electric
16
415
991120
991120
In Stock
From
$51.56
Square D
20
120
992120
992120
In Stock
From
$16.52
Square D
20
120
992220
992220
In Stock
From
$20.94
Square D
20
240
992240
992240
In Stock
From
$108.77
Square D
40
240
992315
992315
In Stock
From
$63.98
Square D
15
240
992320
992320
In Stock
From
$82.29
Square D
20
240
992340
992340
In Stock
From
$57.00
Square D
40
240
992350
992350
In Stock
From
$199.87
Square D
50
240
999216
999216
In Stock
From
$165.01
Square D
100
600
999230
999230
In Stock
From
$41.91
Square D
30
600
999315
999315
In Stock
From
$127.46
Square D
15
600
999316
999316
In Stock
From
$167.38
Square D
100
600
999320
999320
In Stock
From
$182.86
Square D
20
600
999330
999330
In Stock
From
$170.77
Square D
30
600
999340
999340
In Stock
From
$276.83
Square D
40
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.