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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
HKDPV4175W
HKDPV4175W
In Stock
From
$11,135.03
Eaton
-
HM2P250L5CM01
HM2P250L5CM01
In Stock
From
$1,034.45
Eaton
-
HM2P250W5CYS10
HM2P250W5CYS10
In Stock
From
$1,325.87
Eaton
-
HM2P400X5WS10Y07
HM2P400X5WS10Y07
In Stock
From
$4,262.02
Eaton
-
HMCP003A0A11M01
HMCP003A0A11M01
In Stock
From
$1,469.55
Eaton
-
HMCP003A0CH09
HMCP003A0CH09
In Stock
From
$911.02
Eaton
-
HMCP007C0A10
HMCP007C0A10
In Stock
From
$273.01
Eaton
-
HMCP007C0A11M01
HMCP007C0A11M01
In Stock
From
$1,322.60
Eaton
-
HMCP007C0B
HMCP007C0B
Limited Stock
From
Get Price
Eaton
7
HMCP015E0CA04
HMCP015E0CA04
In Stock
From
$837.67
Eaton
-
HMCP030H1A02
HMCP030H1A02
In Stock
From
$1,070.81
Eaton
-
HMCP250L5CM01S10
HMCP250L5CM01S10
In Stock
From
$2,810.00
Eaton
-
HMCP250W5C06
HMCP250W5C06
In Stock
From
$2,618.40
Eaton
-
HMCP250W5YS10
HMCP250W5YS10
In Stock
From
$2,373.56
Eaton
-
HMCP400F5WA06
HMCP400F5WA06
In Stock
From
$3,765.07
Eaton
-
HMCPS003A0CBP10
HMCPS003A0CBP10
In Stock
From
$420.64
Eaton
-
HMCPS030H1CA01
HMCPS030H1CA01
In Stock
From
$1,124.35
Eaton
-
IQMDCPM
IQMDCPM
In Stock
From
$1,408.31
Eaton
-
JA1S-D3-A-0010-02E
JA1S-D3-A-0010-02E
In Stock
From
$7.64
Eaton
-
JA1S-D3-A-0015-02E
JA1S-D3-A-0015-02E
In Stock
From
$16.02
Eaton
-
JDB3250M01
JDB3250M01
In Stock
From
$3,226.54
Eaton
-
JGE310032GCA2S4
JGE310032GCA2S4
In Stock
From
$2,190.19
Eaton
-
JW4250K
JW4250K
In Stock
From
$5,753.97
Eaton
-
JW4250V
JW4250V
In Stock
From
$5,977.21
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.