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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
NM632600
NM632600
In Stock
From
$3,064.15
Federal Pacific
600
600
NM632700
NM632700
In Stock
From
$2,424.00
Federal Pacific
700
600
NM632800
NM632800
In Stock
From
$2,519.51
Federal Pacific
800
600
UBIF030N
UBIF030N
In Stock
From
$28.71
Connecticut Electric
30
240
0230
0230
In Stock
From
$8.39
Federal Pacific
30
240
030
030
In Stock
From
$30.29
Federal Pacific
30
120
145
145
In Stock
From
$1.29
American
45
120
245
245
In Stock
From
$57.80
Federal Pacific
45
240
2B150
2B150
In Stock
From
$247.97
Federal Pacific
150
240
2B175
2B175
In Stock
From
$162.69
Federal Pacific
175
240
2B200
2B200
In Stock
From
$256.00
Federal Pacific
200
240
2P60
2P60
In Stock
From
$176.65
Federal Pacific
60
240
2P60NA
2P60NA
In Stock
From
$57.80
American
60
240
2P80
2P80
In Stock
From
$212.82
Federal Pacific
80
240
30
30
In Stock
From
$92.67
Federal Pacific
30
120
3P100
3P100
In Stock
From
$599.99
American
100
240
3P100-FLAT-TOP
3P100-FLAT-TOP
In Stock
From
$460.19
Federal Pacific
100
240
3P15
3P15
In Stock
From
$74.22
Federal Pacific
15
240
3P25
3P25
In Stock
From
$420.24
Federal Pacific
25
240
3P30
3P30
In Stock
From
$275.12
Federal Pacific
30
240
3P30-FLAT-TOP
3P30-FLAT-TOP
In Stock
From
$191.03
Federal Pacific
30
240
3P35
3P35
In Stock
From
$302.07
American
35
240
3P50-FLAT-TOP
3P50-FLAT-TOP
In Stock
From
$233.84
Federal Pacific
50
240
3P60
3P60
In Stock
From
$514.80
Federal Pacific
60
240
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.