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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.
SORT BY
Part Number
PRICE
Manufacturer
Amperage
Voltage
HGA36050BCYP
HGA36050BCYP
In Stock
From
$778.84
Square D
50
600
HGA36050BE
HGA36050BE
In Stock
From
$778.84
Square D
50
600
HGA36050BESD
HGA36050BESD
In Stock
From
$778.84
Square D
50
600
HGA36050BESDYP
HGA36050BESDYP
In Stock
From
$778.84
Square D
50
600
HGA36050BESH
HGA36050BESH
In Stock
From
$778.84
Square D
50
600
HGA36050BESHYP
HGA36050BESHYP
In Stock
From
$778.84
Square D
50
600
HGA36050BESJ
HGA36050BESJ
In Stock
From
$778.84
Square D
50
600
HGA36050BESJYP
HGA36050BESJYP
In Stock
From
$778.84
Square D
50
600
HGA36050BESK
HGA36050BESK
In Stock
From
$778.84
Square D
50
600
HGA36050BESKYP
HGA36050BESKYP
In Stock
From
$778.84
Square D
50
600
HGA36050BESL
HGA36050BESL
In Stock
From
$778.84
Square D
50
600
HGA36050BESLYP
HGA36050BESLYP
In Stock
From
$778.84
Square D
50
600
HGA36050BESN
HGA36050BESN
In Stock
From
$778.84
Square D
50
600
HGA36050BESNYP
HGA36050BESNYP
In Stock
From
$778.84
Square D
50
600
HGA36050BESP
HGA36050BESP
In Stock
From
$778.84
Square D
50
600
HGA36050BESPYP
HGA36050BESPYP
In Stock
From
$778.84
Square D
50
600
HGA36050BESR
HGA36050BESR
In Stock
From
$778.84
Square D
50
600
HGA36050BESRYP
HGA36050BESRYP
In Stock
From
$778.84
Square D
50
600
HGA36050BESV
HGA36050BESV
In Stock
From
$778.84
Square D
50
600
HGA36050BESVYP
HGA36050BESVYP
In Stock
From
$778.84
Square D
50
600
HGA36050BEUA
HGA36050BEUA
In Stock
From
$778.84
Square D
50
600
HGA36050BEUAYP
HGA36050BEUAYP
In Stock
From
$778.84
Square D
50
600
HGA36050BEUD
HGA36050BEUD
In Stock
From
$778.84
Square D
50
600
HGA36050BEUDYP
HGA36050BEUDYP
In Stock
From
$778.84
Square D
50
600
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.