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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
EZD100E3050N
EZD100E3050N
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Schneider Electric
50
690
EZD100E3060N
EZD100E3060N
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Schneider Electric
60
690
EZD100E3080N
EZD100E3080N
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Schneider Electric
80
690
EZD100E3100
EZD100E3100
Limited Stock
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Schneider Electric
100
690
EZD100E3100N
EZD100E3100N
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Schneider Electric
100
690
EZD100E4040
EZD100E4040
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Schneider Electric
40
690
EZD100E4100
EZD100E4100
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Schneider Electric
100
690
EZD100M3100
EZD100M3100
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Schneider Electric
100
690
EZD160E3125
EZD160E3125
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Schneider Electric
125
690
EZD160E3160
EZD160E3160
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Schneider Electric
160
690
EZD160M3125N
EZD160M3125N
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Schneider Electric
125
690
EZD250E3200ELA
EZD250E3200ELA
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Schneider Electric
200
690
EZD250E3200N
EZD250E3200N
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Schneider Electric
200
690
EZD250E3250N
EZD250E3250N
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Schneider Electric
250
690
EZD250E3250P
EZD250E3250P
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Schneider Electric
250
690
EZD400E3320
EZD400E3320
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Schneider Electric
320
690
EZD400E3320EL
EZD400E3320EL
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Schneider Electric
320
690
EZD630E3630
EZD630E3630
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Schneider Electric
630
690
HRA36100U44X
HRA36100U44X
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Square D
100
600
HRA36150U44X
HRA36150U44X
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Schneider Electric
150
600
HRA36150U53X
HRA36150U53X
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Square D
150
600
HRA36150U54X
HRA36150U54X
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Square D
150
600
HRL36060U43X
HRL36060U43X
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Square D
60
600
HRL36100U43X
HRL36100U43X
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Square D
100
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.