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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.
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Part Number
PRICE
Manufacturer
Amperage
Voltage
KHL36000M8041
KHL36000M8041
In Stock
From
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Square D
250
600
LGF36400U31XAAUOYH1
LGF36400U31XAAUOYH1
In Stock
From
$4,332.82
Schneider Electric
-
-
LGF36600U31XAAUOYH1
LGF36600U31XAAUOYH1
In Stock
From
$4,814.25
Schneider Electric
-
-
LV429051
LV429051
Limited Stock
From
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Schneider Electric
-
-
LV429344
LV429344
Limited Stock
From
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Schneider Electric
-
-
MGA36800LY
MGA36800LY
In Stock
From
$5,010.29
Schneider Electric
-
-
MHCA-120
MHCA-120
In Stock
From
$21.94
Schneider Electric
20
120
NC0230
NC0230
In Stock
From
$41.27
Schneider Electric
30
240
NC050
NC050
In Stock
From
$27.70
Schneider Electric
50
120
OSMC32N1C25
OSMC32N1C25
Limited Stock
From
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Schneider Electric
25
440
PKA36040CU63BE1AB
PKA36040CU63BE1AB
Limited Stock
From
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Schneider Electric
-
-
QDL32200RP
QDL32200RP
In Stock
From
$344.95
Schneider Electric
-
-
QDL32225RP
QDL32225RP
In Stock
From
$525.35
Schneider Electric
-
-
12008
12008
Limited Stock
From
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Schneider Electric
-
-
9080GLP6
9080GLP6
In Stock
From
$21.78
Schneider Electric
-
-
A9D31640
A9D31640
Limited Stock
From
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Schneider Electric
-
-
A9E18033
A9E18033
Limited Stock
From
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Schneider Electric
-
-
A9E18070
A9E18070
Limited Stock
From
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Schneider Electric
-
-
FAB26015BC
FAB26015BC
In Stock
From
$434.42
Schneider Electric
-
-
FCB24020AB
FCB24020AB
In Stock
From
$137.67
Schneider Electric
-
-
KA3615026M
KA3615026M
Limited Stock
From
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Schneider Electric
-
-
KHL34000M3001
KHL34000M3001
In Stock
From
$397.84
Schneider Electric
-
-
MJF36800E10
MJF36800E10
In Stock
From
$4,818.18
Square D
-
-
MJM36800E10
MJM36800E10
In Stock
From
$3,513.24
Square D
-
-
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.