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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
HE3L090
HE3L090
Limited Stock
From
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Siemens
90
480
HE3L090L
HE3L090L
Limited Stock
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ITE
90
480
HE3L100
HE3L100
Limited Stock
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Siemens
100
480
HE3L100L
HE3L100L
Limited Stock
From
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ITE
100
480
HE3L110
HE3L110
Limited Stock
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ITE
110
480
HE3L110L
HE3L110L
Limited Stock
From
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Siemens
110
480
HE3L125
HE3L125
Limited Stock
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ITE
125
480
HE3L125L
HE3L125L
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ITE
125
480
HE3L150
HE3L150
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ITE
150
480
HE3L150L
HE3L150L
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ITE
150
480
HE3M010
HE3M010
Limited Stock
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Siemens
10
480
HE3M010L
HE3M010L
Limited Stock
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ITE
10
480
HE3M015L
HE3M015L
Limited Stock
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Siemens
15
480
HE3M020L
HE3M020L
Limited Stock
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Siemens
20
480
HE3M025
HE3M025
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ITE
25
480
HE3M025L
HE3M025L
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ITE
25
480
HE3M030L
HE3M030L
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ITE
30
480
HE3M035
HE3M035
Limited Stock
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ITE
35
480
HE3M035L
HE3M035L
Limited Stock
From
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Siemens
35
480
HE3M040
HE3M040
Limited Stock
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ITE
40
480
HE3M040L
HE3M040L
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From
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ITE
40
480
HE3M045
HE3M045
Limited Stock
From
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Siemens
45
480
HE3M045L
HE3M045L
Limited Stock
From
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ITE
45
480
HE3M050L
HE3M050L
Limited Stock
From
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ITE
50
480
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.