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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
RS-9991
RS-9991
Limited Stock
From
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Schneider Electric
-
-
SEE116C03
SEE116C03
Limited Stock
From
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Schneider Electric
-
-
SQDQ0315
SQDQ0315
Limited Stock
From
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Schneider Electric
-
-
SQO132EC6
SQO132EC6
Limited Stock
From
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Schneider Electric
-
-
SQOR132B03
SQOR132B03
Limited Stock
From
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Schneider Electric
-
-
VIGI/MH-COMPACT-NS
VIGI/MH-COMPACT-NS
Limited Stock
From
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Schneider Electric
-
-
X6305143
X6305143
Limited Stock
From
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Schneider Electric
-
-
ZD-6165
ZD-6165
Limited Stock
From
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Schneider Electric
-
-
BDA24040Y2
BDA24040Y2
Limited Stock
From
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Schneider Electric
40
-
BDA24060Y2
BDA24060Y2
Limited Stock
From
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Schneider Electric
60
-
C45-4-5-C
C45-4-5-C
Limited Stock
From
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Schneider Electric
-
-
FC24070
FC24070
Limited Stock
From
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Square D
70
480
LV429289
LV429289
Limited Stock
From
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Schneider Electric
-
-
MG26860
MG26860
Limited Stock
From
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Schneider Electric
-
-
MG26898
MG26898
Limited Stock
From
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Schneider Electric
-
-
MG27168
MG27168
Limited Stock
From
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Schneider Electric
-
-
MG27179
MG27179
Limited Stock
From
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Schneider Electric
-
-
SSP01EMA16S
SSP01EMA16S
Limited Stock
From
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Schneider Electric
-
-
28994
28994
Limited Stock
From
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Schneider Electric
40
600
28996
28996
Limited Stock
From
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Square D
60
600
28997
28997
Limited Stock
From
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Schneider Electric
60
600
35727
35727
Limited Stock
From
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Merlin Gerin
30
600
35729
35729
Limited Stock
From
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Merlin Gerin
20
600
A9R42225
A9R42225
Limited Stock
From
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Schneider Electric
25
230
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.