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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
JC2S-Z80-1
JC2S-Z80-1
In Stock
From
$160.95
Eaton
MCP534000W
MCP534000W
In Stock
From
$222.22
Eaton
PDD22G0125TFFJ
PDD22G0125TFFJ
In Stock
From
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Eaton
SPHM2RM0010
SPHM2RM0010
In Stock
From
$191.88
Eaton
EHD3050S06
EHD3050S06
In Stock
From
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Eaton
LD2400F
LD2400F
In Stock
From
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Eaton
LD3400F
LD3400F
In Stock
From
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Eaton
504C747G27
504C747G27
In Stock
From
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Westinghouse
CSK3150
CSK3150
In Stock
From
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Challenger
CLD3600LSIG
CLD3600LSIG
In Stock
From
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Eaton
EHD3070LS05
EHD3070LS05
In Stock
From
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Eaton
GH3-Z13-24
GH3-Z13-24
Limited Stock
From
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Eaton
PDD22G0175TFFJ
PDD22G0175TFFJ
In Stock
From
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Eaton
PDD23G020TFFL1
PDD23G020TFFL1
In Stock
From
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Eaton
PDG53B0800D2MN
PDG53B0800D2MN
In Stock
From
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Eaton
CH250CHF250
CH250CHF250
In Stock
From
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Eaton
FB3035VL
FB3035VL
In Stock
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Westinghouse
FB3100MR
FB3100MR
In Stock
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Westinghouse
GFXB132B2
GFXB132B2
In Stock
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Eaton
CHF3060
CHF3060
In Stock
From
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Eaton
CHF3100
CHF3100
In Stock
From
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Eaton
CHL2015
CHL2015
In Stock
From
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Eaton
CHL3040
CHL3040
In Stock
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Eaton
CHL3050
CHL3050
In Stock
From
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Eaton
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.