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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
PGL36120U41ARD10
PGL36120U41ARD10
Limited Stock
From
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Square D
1200
600
PGL36120U41ARE10
PGL36120U41ARE10
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Schneider Electric
1200
600
PLA34120U44AE1RD10
PLA34120U44AE1RD10
Limited Stock
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Schneider Electric
1200
480
PLA34120U44AE1RE10
PLA34120U44AE1RE10
Limited Stock
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Schneider Electric
1200
480
PLA34120U44ARD10
PLA34120U44ARD10
Limited Stock
From
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Square D
1200
480
PLA34120U44ARE10
PLA34120U44ARE10
Limited Stock
From
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Square D
1200
480
QBL22200LV
QBL22200LV
Limited Stock
From
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Square D
200
240
25800
25800
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Schneider Electric
4
240
25803
25803
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Square D
16
240
25804
25804
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Merlin Gerin
20
240
25805
25805
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Schneider Electric
25
240
25815
25815
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Square D
6
440
25816
25816
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Merlin Gerin
10
440
25834
25834
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Square D
32
440
25875
25875
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Merlin Gerin
50
440
25881
25881
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From
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Schneider Electric
6
440
25883
25883
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Schneider Electric
16
440
25886
25886
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Schneider Electric
32
440
25889
25889
Limited Stock
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Merlin Gerin
63
440
29710
29710
Limited Stock
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Merlin Gerin
100
690
29711
29711
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Schneider Electric
80
690
29714
29714
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Schneider Electric
25
690
29717
29717
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Schneider Electric
32
690
29810
29810
Limited Stock
From
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Merlin Gerin
100
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.