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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
GSB632PC3
GSB632PC3
In Stock
From
$44.23
Carlo Gavazzi
GSB632PC4
GSB632PC4
In Stock
From
$52.41
Carlo Gavazzi
GSB632PD1
GSB632PD1
In Stock
From
$16.32
Carlo Gavazzi
GSB632PD25
GSB632PD25
In Stock
From
$16.32
Carlo Gavazzi
GSB632PD32
GSB632PD32
In Stock
From
$16.32
Carlo Gavazzi
GSB632PD40
GSB632PD40
In Stock
From
$14.84
Carlo Gavazzi
GSB632PD63
GSB632PD63
In Stock
From
$16.32
Carlo Gavazzi
GSB633PB1
GSB633PB1
In Stock
From
$80.69
Carlo Gavazzi
GSB633PB6
GSB633PB6
In Stock
From
$64.54
Carlo Gavazzi
GSB633PB63
GSB633PB63
In Stock
From
$64.54
Carlo Gavazzi
GSB633PC16
GSB633PC16
In Stock
From
$51.40
Carlo Gavazzi
GSB633PC25
GSB633PC25
In Stock
From
$63.45
Carlo Gavazzi
GSB633PC4
GSB633PC4
In Stock
From
$51.40
Carlo Gavazzi
GSB633PC40
GSB633PC40
In Stock
From
$51.40
Carlo Gavazzi
GSB633PD1
GSB633PD1
In Stock
From
$25.14
Carlo Gavazzi
GSB633PD10
GSB633PD10
In Stock
From
$43.60
Carlo Gavazzi
GSB633PD2
GSB633PD2
In Stock
From
$22.05
Carlo Gavazzi
GSB633PD25
GSB633PD25
In Stock
From
$54.70
Carlo Gavazzi
GSB633PD3
GSB633PD3
In Stock
From
$24.97
Carlo Gavazzi
GSB633PD4
GSB633PD4
In Stock
From
$22.72
Carlo Gavazzi
GSB633PD40
GSB633PD40
In Stock
From
$22.72
Carlo Gavazzi
GSB633PD50
GSB633PD50
In Stock
From
$20.49
Carlo Gavazzi
GSB633PD6
GSB633PD6
In Stock
From
$20.67
Carlo Gavazzi
GSB633PD63
GSB633PD63
In Stock
From
$20.69
Carlo Gavazzi
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.