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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
SKIL2125
SKIL2125
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Square D
125
415
SKIL2160
SKIL2160
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Square D
160
415
SKIL2175
SKIL2175
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Square D
175
415
SKIL2200
SKIL2200
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Square D
200
415
SKIL2225
SKIL2225
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Square D
225
415
SKIL2250
SKIL2250
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Square D
250
415
SKIL3125
SKIL3125
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Square D
125
415
SKIL3160
SKIL3160
Limited Stock
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Square D
160
415
SKIL3175
SKIL3175
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Square D
175
415
SKIL3200
SKIL3200
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Square D
200
415
SKIL3225
SKIL3225
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Square D
225
415
SKIL3250
SKIL3250
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Square D
250
415
SLA3250
SLA3250
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Square D
250
750
SLA330035
SLA330035
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Square D
300
750
SLA3350
SLA3350
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Square D
350
750
SLAL2250
SLAL2250
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Square D
250
415
SLAL2300
SLAL2300
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Square D
300
415
SLAL2350
SLAL2350
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Square D
350
415
SLAL2400
SLAL2400
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Square D
400
415
SLAL3250
SLAL3250
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Square D
250
415
SLAL3300
SLAL3300
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Square D
300
415
SLAL3350
SLAL3350
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Square D
350
415
SLC3300
SLC3300
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Square D
300
750
SLC3350
SLC3350
Limited Stock
From
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Square D
350
750
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.