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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
LGB2B080B
LGB2B080B
In Stock
From
$200.70
Siemens
80
600
LGB2B090B
LGB2B090B
In Stock
From
$224.16
Siemens
90
600
LGB2B110B
LGB2B110B
In Stock
From
$1,734.03
Siemens
110
600
LGE3600FAW
LGE3600FAW
In Stock
From
$4,101.15
Eaton
600
690
LGG2B030L
LGG2B030L
In Stock
From
$1,474.02
Siemens
30
600
LGG3B030L
LGG3B030L
In Stock
From
$735.76
Siemens
30
600
LGG3B070L
LGG3B070L
In Stock
From
$758.76
Siemens
70
600
LGG3B080L
LGG3B080L
In Stock
From
$615.62
Siemens
80
600
LGG3B090L
LGG3B090L
In Stock
From
$618.05
Siemens
90
600
LGG3B100L
LGG3B100L
In Stock
From
$743.23
Siemens
100
600
LJ63B500
LJ63B500
Limited Stock
From
Get Price
ITE
500
600
LM3600
LM3600
In Stock
From
$1,479.73
Westinghouse
600
600
LSB320400E
LSB320400E
In Stock
From
$950.83
Cutler Hammer
400
240
LSB360350E
LSB360350E
In Stock
From
$786.12
Thomas & Betts
350
600
LSB360400E
LSB360400E
In Stock
From
$682.41
Thomas & Betts
400
600
LSB360600E
LSB360600E
In Stock
From
$918.98
Thomas & Betts
600
600
LT3500FA
LT3500FA
In Stock
From
$1,221.58
Eaton
500
600
LV428102
LV428102
In Stock
From
$318.01
Schneider Electric
25
690
LV429005
LV429005
In Stock
From
$422.07
Schneider Electric
100
690
LV429008
LV429008
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429622
LV429622
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429629
LV429629
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429630
LV429630
In Stock
From
$778.57
Schneider Electric
100
690
LV429634
LV429634
In Stock
From
$452.33
Schneider Electric
100
690
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.