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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
MGN61315
MGN61315
Limited Stock
From
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Square D
4
480
MGN61336
MGN61336
Limited Stock
From
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Schneider Electric
3
277
MGN61364
MGN61364
Limited Stock
From
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Schneider Electric
15
480
NFHLE36063
NFHLE36063
Limited Stock
From
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Square D
63
690
NFNFE36200
NFNFE36200
Limited Stock
From
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Schneider Electric
200
690
NFNFE46100F16
NFNFE46100F16
Limited Stock
From
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Merlin Gerin
100
690
NFNLE26000S25
NFNLE26000S25
Limited Stock
From
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Merlin Gerin
250
690
NFNLE26040
NFNLE26040
Limited Stock
From
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Merlin Gerin
40
690
NFNLE36040
NFNLE36040
Limited Stock
From
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Merlin Gerin
40
690
OSMC32N3C16
OSMC32N3C16
Limited Stock
From
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Schneider Electric
16
440
OSMC32N3C32
OSMC32N3C32
Limited Stock
From
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Schneider Electric
32
440
PJL36080RE10
PJL36080RE10
Limited Stock
From
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Square D
800
600
PJL36120RE10
PJL36120RE10
Limited Stock
From
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Schneider Electric
1200
600
QBF22175TS
QBF22175TS
Limited Stock
From
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Square D
175
240
25661
25661
Limited Stock
From
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Merlin Gerin
25
480
25663
25663
Limited Stock
From
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Merlin Gerin
40
480
29006
29006
Limited Stock
From
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Merlin Gerin
100
690
29009
29009
Limited Stock
From
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Merlin Gerin
100
690
29010
29010
Limited Stock
From
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Merlin Gerin
100
690
29674
29674
Limited Stock
From
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Merlin Gerin
25
690
29720
29720
Limited Stock
From
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Merlin Gerin
100
690
29721
29721
Limited Stock
From
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Merlin Gerin
80
690
29723
29723
Limited Stock
From
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Merlin Gerin
40
690
29724
29724
Limited Stock
From
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Merlin Gerin
25
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.