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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
GHS4131103R0607
GHS4131103R0607
Limited Stock
From
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ABB
GHS4414001R0324
GHS4414001R0324
Limited Stock
From
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ABB
GHS7030001R482
GHS7030001R482
In Stock
From
$282.08
ABB
GHS7030001R512
GHS7030001R512
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ABB
GJF2530001R2505
GJF2530001R2505
Limited Stock
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ABB
GMU-10U
GMU-10U
In Stock
From
$40.60
ABB
GMU-15-U
GMU-15-U
In Stock
From
$34.94
ABB
GMU-15U-P1
GMU-15U-P1
In Stock
From
$28.04
ABB
GMU-1U
GMU-1U
In Stock
From
$9.81
ABB
GMU-20U
GMU-20U
In Stock
From
$8.25
ABB
GMU-25U
GMU-25U
In Stock
From
$9.92
ABB
GMU-2U
GMU-2U
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ABB
GMU-5U
GMU-5U
In Stock
From
$12.84
ABB
LP1C40-S
LP1C40-S
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ABB
LP1C50-S
LP1C50-S
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ABB
LP1D50-S
LP1D50-S
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ABB
LP1G10-T
LP1G10-T
In Stock
From
$20.14
ABB
LP1K20-S
LP1K20-S
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ABB
ML550305
ML550305
In Stock
From
$75.14
ABB
MOE T4-T5
MOE T4-T5
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ABB
MOE-E
MOE-E
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ABB
OT60F3
OT60F3
In Stock
From
$157.84
ABB
PS2/6/16BP
PS2/6/16BP
In Stock
From
$17.50
ABB
QS3225
QS3225
In Stock
From
$16.14
ABB
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.