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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
MGN60533
MGN60533
Limited Stock
From
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Merlin Gerin
4
415
MGN60534
MGN60534
Limited Stock
From
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Schneider Electric
6
415
MGN60535
MGN60535
Limited Stock
From
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Schneider Electric
10
415
MGN60536
MGN60536
Limited Stock
From
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Schneider Electric
16
415
MGN60537
MGN60537
Limited Stock
From
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Merlin Gerin
20
415
MGN60539
MGN60539
Limited Stock
From
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Schneider Electric
32
415
MGN60540
MGN60540
Limited Stock
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Merlin Gerin
40
415
MGN60543
MGN60543
Limited Stock
From
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Schneider Electric
1
415
MGN60544
MGN60544
Limited Stock
From
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Merlin Gerin
2
415
MGN60545
MGN60545
Limited Stock
From
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Merlin Gerin
3
415
MGN60546
MGN60546
Limited Stock
From
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Merlin Gerin
4
415
MGN60547
MGN60547
Limited Stock
From
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Schneider Electric
6
415
MGN60548
MGN60548
Limited Stock
From
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Merlin Gerin
10
415
MGN60549
MGN60549
Limited Stock
From
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Merlin Gerin
16
415
MGN60550
MGN60550
Limited Stock
From
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Merlin Gerin
20
415
MGN60551
MGN60551
Limited Stock
From
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Merlin Gerin
25
415
MGN60552
MGN60552
Limited Stock
From
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Merlin Gerin
32
415
MGN60553
MGN60553
Limited Stock
From
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Schneider Electric
40
415
MGN60589
MGN60589
Limited Stock
From
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Merlin Gerin
4
240
MGN60590
MGN60590
Limited Stock
From
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Schneider Electric
4
415
MGN60608
MGN60608
Limited Stock
From
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Schneider Electric
1
240
MGN60609
MGN60609
Limited Stock
From
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Schneider Electric
2
240
MGN60610
MGN60610
Limited Stock
From
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Schneider Electric
3
240
MGN60611
MGN60611
Limited Stock
From
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Schneider Electric
4
240
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.