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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
SNA31000
SNA31000
Limited Stock
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Square D
1000
750
SNA31250
SNA31250
Limited Stock
From
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Square D
1250
750
SNA3630
SNA3630
Limited Stock
From
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Square D
630
750
SNA3700
SNA3700
Limited Stock
From
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Square D
700
750
SNA3800
SNA3800
Limited Stock
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Square D
800
750
SNA3900
SNA3900
Limited Stock
From
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Square D
900
750
WL3GGB73A3SCBBWXXA
WL3GGB73A3SCBBWXXA
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From
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Square D
2500
600
QO220GF
QO220GF
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From
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Square D
-
-
QO260GF
QO260GF
Limited Stock
From
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Square D
-
-
QOB1201044
QOB1201044
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From
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Square D
-
-
25695
25695
Limited Stock
From
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Merlin Gerin
1
240
25797
25797
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Merlin Gerin
1
240
25808
25808
Limited Stock
From
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Square D
50
240
25811
25811
Limited Stock
From
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Square D
1
440
25822
25822
Limited Stock
From
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Schneider Electric
50
440
FCJ340501325
FCJ340501325
Limited Stock
From
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Schneider Electric
50
480
MHP360006MMT
MHP360006MMT
Limited Stock
From
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Square D
-
600
QO115GFI1200
QO115GFI1200
Limited Stock
From
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Square D
15
120
QO115VHAFIC
QO115VHAFIC
Limited Stock
From
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Square D
15
120
QO115VHGFI1200
QO115VHGFI1200
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Square D
15
120
QO115VHGFI1201
QO115VHGFI1201
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Square D
15
120
QO115VHGFI2100
QO115VHGFI2100
Limited Stock
From
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Square D
15
120
QO120VHAFIC
QO120VHAFIC
Limited Stock
From
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Square D
20
120
QO120VHGFI1200
QO120VHGFI1200
Limited Stock
From
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Square D
20
120
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.