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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
WMS3B16
WMS3B16
Limited Stock
From
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Eaton
16
480
WMS3B32
WMS3B32
Limited Stock
From
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Eaton
32
480
WMS3B40
WMS3B40
Limited Stock
From
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Eaton
40
480
WMS3B60
WMS3B60
Limited Stock
From
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Eaton
60
480
WMS3C03
WMS3C03
Limited Stock
From
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Eaton
3
480
WMS3C04
WMS3C04
Limited Stock
From
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Eaton
4
480
WMS3C13
WMS3C13
Limited Stock
From
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Eaton
13
480
WMS3C25
WMS3C25
Limited Stock
From
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Eaton
25
480
WMS3C32
WMS3C32
Limited Stock
From
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Eaton
32
480
WMS3D00
WMS3D00
Limited Stock
From
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Eaton
0.5
480
WMS3D08
WMS3D08
Limited Stock
From
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Eaton
8
480
WMS3D32
WMS3D32
Limited Stock
From
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Eaton
32
480
CH2100-BF200-1.5
CH2100-BF200-1.5
Limited Stock
From
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Eaton
-
-
HJD3200P
HJD3200P
Limited Stock
From
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Eaton
-
-
HJD3250P
HJD3250P
Limited Stock
From
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Eaton
-
-
HKD3100P
HKD3100P
Limited Stock
From
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Eaton
-
-
HKD3200P
HKD3200P
Limited Stock
From
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Eaton
-
-
HKD3225P
HKD3225P
Limited Stock
From
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Eaton
-
-
HKD3250P
HKD3250P
Limited Stock
From
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Eaton
-
-
HKD3300P
HKD3300P
Limited Stock
From
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Eaton
-
-
HKD3350P
HKD3350P
Limited Stock
From
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Eaton
-
-
JD3070P
JD3070P
Limited Stock
From
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Eaton
-
-
JD3100P
JD3100P
Limited Stock
From
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Eaton
-
-
JD3150P
JD3150P
Limited Stock
From
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Eaton
-
-
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.