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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
9101003500
9101003500
In Stock
From
$26.70
Weidmuller
9101803500
9101803500
In Stock
From
$120.85
Weidmuller
910190
910190
In Stock
From
$27.44
Weidmuller
910200
910200
In Stock
From
$71.27
Weidmuller
BR1C20UC
BR1C20UC
In Stock
From
$40.58
Weidmuller
BR3C6UC
BR3C6UC
In Stock
From
$34.91
Weidmuller
CB9101-16.16A -TS35
CB9101-16.16A -TS35
In Stock
From
$21.94
Weidmuller
SU1C2AC
SU1C2AC
In Stock
From
$8.44
Weidmuller
SU1C6UC
SU1C6UC
In Stock
From
$13.37
Weidmuller
6720005383
6720005383
In Stock
From
$58.29
Weidmuller
6720005384
6720005384
In Stock
From
$226.02
Weidmuller
6720005386
6720005386
In Stock
From
$57.44
Weidmuller
910120
910120
In Stock
From
$18.52
Weidmuller
9101203500
9101203500
In Stock
From
$60.42
Weidmuller
9101503500
9101503500
In Stock
From
$78.30
Weidmuller
9101603500
9101603500
In Stock
From
$16.79
Weidmuller
9101703500
9101703500
In Stock
From
$69.55
Weidmuller
910180
910180
In Stock
From
$31.10
Weidmuller
9101903500
9101903500
In Stock
From
$69.95
Weidmuller
9102003500
9102003500
In Stock
From
$83.15
Weidmuller
9103003500
9103003500
In Stock
From
$51.72
Weidmuller
912421
912421
In Stock
From
$21.05
Weidmuller
9129613500
9129613500
In Stock
From
$162.21
Weidmuller
912964
912964
In Stock
From
$57.29
Weidmuller
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.