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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
FWF1032LM05
FWF1032LM05
In Stock
From
$115.35
Eaton
FWF40321VL
FWF40321VL
In Stock
From
$224.75
Eaton
FWF40631VL
FWF40631VL
In Stock
From
$905.40
Eaton
GHG6244101R0032
GHG6244101R0032
In Stock
From
$94.73
Eaton
GJ1P-Z137-1W
GJ1P-Z137-1W
In Stock
From
$269.73
Eaton
GJ1P-Z95-7
GJ1P-Z95-7
In Stock
From
$63.67
Eaton
GJS3200AAG
GJS3200AAG
Limited Stock
From
Get Price
Eaton
GLK3400KSM
GLK3400KSM
Limited Stock
From
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Eaton
GMCP015E0CDRA3
GMCP015E0CDRA3
In Stock
From
$308.54
Eaton
GWF3016V
GWF3016V
In Stock
From
$31.88
Eaton
HACR-330
HACR-330
In Stock
From
$223.70
Eaton
HFD3015LA10
HFD3015LA10
In Stock
From
$1,069.36
Eaton
HFD3015VS05
HFD3015VS05
In Stock
From
$905.55
Eaton
HH83XA425
HH83XA425
In Stock
From
$785.76
Eaton
HH83XA460A
HH83XA460A
In Stock
From
$127.87
Eaton
HMCP007C0CA3
HMCP007C0CA3
In Stock
From
$321.61
Eaton
HMCPS007C0CA06
HMCPS007C0CA06
In Stock
From
$352.82
Eaton
HZMS9-250/ZM9-160
HZMS9-250/ZM9-160
Limited Stock
From
Get Price
Eaton
IZM20B3-P16F
IZM20B3-P16F
Limited Stock
From
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Eaton
IZMX40B4-V20F-1
IZMX40B4-V20F-1
Limited Stock
From
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Eaton
JA1-A3-A
JA1-A3-A
In Stock
From
$22.10
Eaton
JA1-A3-A-B-1.5-60C-P
JA1-A3-A-B-1.5-60C-P
In Stock
From
$7.07
Eaton
JA1-A3-L
JA1-A3-L
In Stock
From
$12.09
Eaton
JA1S-D3-AB-01-D-A-10-2
JA1S-D3-AB-01-D-A-10-2
In Stock
From
$43.23
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.