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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
BR3C5AC
BR3C5AC
In Stock
From
$85.80
Weidmuller
BR3C6AC
BR3C6AC
In Stock
From
$104.09
Weidmuller
BR3D10AC
BR3D10AC
In Stock
From
$102.17
Weidmuller
BR3D12AC
BR3D12AC
In Stock
From
$93.50
Weidmuller
BR3D13AC
BR3D13AC
In Stock
From
$104.09
Weidmuller
BR3D20AC
BR3D20AC
In Stock
From
$59.67
Weidmuller
BR3D2AC
BR3D2AC
In Stock
From
$80.62
Weidmuller
BR3D30AC
BR3D30AC
In Stock
From
$84.22
Weidmuller
BR3D4AC
BR3D4AC
In Stock
From
$130.53
Weidmuller
BR3D60AC
BR3D60AC
In Stock
From
$114.51
Weidmuller
BR3D8AC
BR3D8AC
In Stock
From
$99.51
Weidmuller
CB4201-10-0.1A/TS35
CB4201-10-0.1A/TS35
Limited Stock
From
Get Price
Weidmuller
SU1D10AC
SU1D10AC
In Stock
From
$21.69
Weidmuller
SU1D20AC
SU1D20AC
In Stock
From
$16.42
Weidmuller
SU1D5AC
SU1D5AC
In Stock
From
$14.32
Weidmuller
7940126719
7940126719
In Stock
From
$130.36
Weidmuller
2477200000
2477200000
In Stock
From
$81.96
Weidmuller
2477460000
2477460000
In Stock
From
$96.00
Weidmuller
2477700000
2477700000
In Stock
From
$83.59
Weidmuller
2477830000
2477830000
In Stock
From
$69.29
Weidmuller
2477840000
2477840000
In Stock
From
$27.27
Weidmuller
2477850000
2477850000
In Stock
From
$130.02
Weidmuller
2477870000
2477870000
In Stock
From
$76.82
Weidmuller
2477950000
2477950000
In Stock
From
$59.41
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.