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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
1488D90G30
1488D90G30
Limited Stock
From
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Eaton
800
500
1492-CB1-G040-H1
1492-CB1-G040-H1
Limited Stock
From
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Allen-Bradley
-
-
1492-CB1G250-S2
1492-CB1G250-S2
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From
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Allen-Bradley
-
-
1492-CB2DH060
1492-CB2DH060
Limited Stock
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Allen-Bradley
-
-
1492-CB3-F160
1492-CB3-F160
Limited Stock
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Allen-Bradley
-
-
1492-GH-020F
1492-GH-020F
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Allen-Bradley
-
-
1492-GHA-030
1492-GHA-030
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Allen-Bradley
-
-
1764638
1764638
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Eaton
100
500
1764639
1764639
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Eaton
100
250
1764676
1764676
Limited Stock
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Eaton
15
250
1764677
1764677
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Eaton
25
250
1764678
1764678
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Eaton
50
250
1764680
1764680
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Eaton
100
250
1764681
1764681
Limited Stock
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Eaton
15
500
1764682
1764682
Limited Stock
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Eaton
15
500
1764683
1764683
Limited Stock
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Eaton
25
500
1764684
1764684
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Eaton
25
500
1764685
1764685
Limited Stock
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Eaton
50
500
1764686
1764686
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Eaton
75
500
1764687
1764687
Limited Stock
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Eaton
100
500
1764689
1764689
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Eaton
15
250
1764690
1764690
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From
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Eaton
25
250
1764691
1764691
Limited Stock
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Eaton
50
250
1764700
1764700
Limited Stock
From
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Eaton
75
500
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.