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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
E1050L
E1050L
Limited Stock
From
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Westinghouse
50
120
E1060L
E1060L
Limited Stock
From
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Cutler Hammer
60
120
FDC3200S
FDC3200S
Limited Stock
From
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Eaton
200
600
HMCP100L3W
HMCP100L3W
Limited Stock
From
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Eaton
100
-
HMCPS050K2
HMCPS050K2
Limited Stock
From
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Eaton
50
-
HQNB3040
HQNB3040
Limited Stock
From
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Westinghouse
40
240
HQNBA3070
HQNBA3070
Limited Stock
From
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Westinghouse
70
240
QNPL2025
QNPL2025
Limited Stock
From
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Westinghouse
25
240
QNPL2035
QNPL2035
Limited Stock
From
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Westinghouse
35
240
QNPL2060
QNPL2060
Limited Stock
From
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Westinghouse
60
240
1310884
1310884
Limited Stock
From
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Westinghouse
200
600
369D055G02
369D055G02
Limited Stock
From
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Cutler Hammer
15
600
369D055G03
369D055G03
Limited Stock
From
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Westinghouse
20
600
369D055G04
369D055G04
Limited Stock
From
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Cutler Hammer
30
600
369D055G05
369D055G05
Limited Stock
From
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Cutler Hammer
40
600
369D055G06
369D055G06
Limited Stock
From
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Westinghouse
50
600
369D055G07
369D055G07
Limited Stock
From
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Westinghouse
70
600
369D055G08
369D055G08
Limited Stock
From
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Cutler Hammer
90
600
369D055G09
369D055G09
Limited Stock
From
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Cutler Hammer
100
600
369D055G12
369D055G12
Limited Stock
From
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Westinghouse
15
600
369D055G13
369D055G13
Limited Stock
From
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Westinghouse
20
600
369D055G14
369D055G14
Limited Stock
From
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Westinghouse
30
600
369D055G15
369D055G15
Limited Stock
From
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Westinghouse
40
600
369D055G16
369D055G16
Limited Stock
From
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Cutler Hammer
50
600
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.