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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
HLCG3600F
HLCG3600F
In Stock
From
$2,803.57
Westinghouse
600
600
HLD2500W
HLD2500W
In Stock
From
$3,216.30
Westinghouse
500
600
HLD2500X
HLD2500X
In Stock
From
$1,448.42
Westinghouse
500
600
HLD2500Y
HLD2500Y
In Stock
From
$3,216.30
Westinghouse
500
600
HLD2600W
HLD2600W
In Stock
From
$2,425.86
Eaton
600
600
HLD2600X
HLD2600X
In Stock
From
$2,464.83
Westinghouse
600
600
HLD2600Y
HLD2600Y
In Stock
From
$1,252.34
Cutler Hammer
600
600
HLDDC3600
HLDDC3600
In Stock
From
$396.53
Westinghouse
600
600
HM2P4XWS10
HM2P4XWS10
In Stock
From
$1,717.62
Westinghouse
400
600
HMA3300
HMA3300
In Stock
From
$1,896.04
Cutler Hammer
300
600
HMC3800
HMC3800
In Stock
From
$1,971.10
Westinghouse
800
600
HMC3800FM
HMC3800FM
In Stock
From
Get Price
Westinghouse
800
600
HMCG3800F
HMCG3800F
In Stock
From
$3,889.05
Westinghouse
800
600
HMCP400K5Y
HMCP400K5Y
In Stock
From
$1,140.16
Eaton
400
-
HMCP400W5S
HMCP400W5S
In Stock
From
$1,331.25
Eaton
400
-
HMCP600Y6C
HMCP600Y6C
In Stock
From
$6,181.46
Eaton
600
600
HMDLB2300
HMDLB2300
In Stock
From
$2,244.27
Westinghouse
300
600
HMDLB2350
HMDLB2350
In Stock
From
$1,951.98
Cutler Hammer
350
600
HMDLB2400
HMDLB2400
In Stock
From
$1,155.67
Eaton
400
600
HMDLB2450
HMDLB2450
In Stock
From
$2,303.75
Westinghouse
450
600
HMDLB2500
HMDLB2500
In Stock
From
$2,150.22
Westinghouse
500
600
HMDLB2600
HMDLB2600
In Stock
From
$2,295.97
Westinghouse
600
600
HMDLB2700
HMDLB2700
In Stock
From
$2,368.86
Westinghouse
700
600
HMDLB2800
HMDLB2800
In Stock
From
$1,592.20
Cutler Hammer
800
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.