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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
31106
31106
In Stock
From
$418.84
Schneider Electric
250
750
31189
31189
In Stock
From
$15.30
Schneider Electric
320
690
60100
60100
In Stock
From
$14.12
Schneider Electric
0.5
240
60101
60101
In Stock
From
$65.62
Square D
1
240
60106
60106
In Stock
From
$55.14
Schneider Electric
5
240
60108
60108
In Stock
From
$82.42
Schneider Electric
7
240
60114
60114
In Stock
From
$75.84
Square D
25
240
60115
60115
In Stock
From
$38.00
Schneider Electric
30
240
60116
60116
In Stock
From
$39.89
Schneider Electric
35
240
60117
60117
In Stock
From
$37.97
Square D
0.5
240
60118
60118
In Stock
From
$20.96
Square D
1
240
60120
60120
In Stock
From
$29.76
Square D
2
240
60121
60121
In Stock
From
$38.60
Schneider Electric
3
240
60122
60122
In Stock
From
$27.72
Square D
4
240
60123
60123
In Stock
From
$178.62
Square D
5
240
60124
60124
In Stock
From
$43.84
Square D
6
240
60125
60125
In Stock
From
$25.65
Schneider Electric
7
240
60126
60126
In Stock
From
$33.49
Schneider Electric
8
240
60127
60127
In Stock
From
$23.57
Square D
10
240
60128
60128
In Stock
From
$94.54
Square D
13
240
60129
60129
In Stock
From
$105.12
Square D
15
240
60130
60130
In Stock
From
$74.67
Square D
20
240
60131
60131
Limited Stock
From
Get Price
Schneider Electric
25
240
60132
60132
In Stock
From
$11.05
Square D
30
240
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.