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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
25497
25497
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Merlin Gerin
1
440
25498
25498
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Merlin Gerin
2
440
25500
25500
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Merlin Gerin
4
440
25505
25505
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Merlin Gerin
20
440
25506
25506
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Merlin Gerin
25
440
25507
25507
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Merlin Gerin
32
440
25508
25508
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Merlin Gerin
40
440
26133
26133
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Merlin Gerin
1
440
26134
26134
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Merlin Gerin
1
440
26135
26135
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Merlin Gerin
2
440
26136
26136
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Merlin Gerin
3
440
26137
26137
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Merlin Gerin
4
440
26139
26139
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Merlin Gerin
6
440
26141
26141
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Merlin Gerin
10
440
26142
26142
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Merlin Gerin
16
440
26143
26143
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Merlin Gerin
20
440
26145
26145
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Merlin Gerin
25
440
26146
26146
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Merlin Gerin
32
440
26147
26147
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Merlin Gerin
40
440
26157
26157
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Merlin Gerin
3
440
26158
26158
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Merlin Gerin
4
440
26159
26159
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Merlin Gerin
6
440
26161
26161
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Merlin Gerin
10
440
26165
26165
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Merlin Gerin
25
440
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.