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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
EP101ULHC01
EP101ULHC01
In Stock
From
$16.34
General Electric
1
277
EP101ULHC04
EP101ULHC04
In Stock
From
$56.77
General Electric
4
277
EP101ULHC15
EP101ULHC15
In Stock
From
$90.04
General Electric
15
277
EP101ULHC16
EP101ULHC16
In Stock
From
$110.70
General Electric
16
277
EP101ULHC20
EP101ULHC20
In Stock
From
$43.99
General Electric
20
277
EP102UCC02
EP102UCC02
In Stock
From
$276.66
General Electric
2
415
EP102UCC06
EP102UCC06
Limited Stock
From
Get Price
General Electric
6
415
EP102ULC01
EP102ULC01
In Stock
From
$240.74
General Electric
1
480
EP102ULC04
EP102ULC04
In Stock
From
$28.01
General Electric
4
480
EP102ULC40
EP102ULC40
In Stock
From
$197.26
General Electric
40
480
EP102ULD10
EP102ULD10
In Stock
From
$100.76
General Electric
10
480
EP102ULHB30
EP102ULHB30
In Stock
From
$99.95
General Electric
30
277
EP102ULHC20
EP102ULHC20
In Stock
From
$97.17
General Electric
20
277
EP102ULHD04
EP102ULHD04
In Stock
From
$68.26
General Electric
4
277
EP103ULB40
EP103ULB40
In Stock
From
$245.13
General Electric
40
480
EP103ULC01
EP103ULC01
In Stock
From
$82.82
General Electric
1
480
EP103ULC02
EP103ULC02
In Stock
From
$102.68
General Electric
2
480
EP103ULC06
EP103ULC06
In Stock
From
$159.29
General Electric
6
480
EP103ULC20
EP103ULC20
In Stock
From
$72.19
General Electric
20
480
EP103ULC25
EP103ULC25
In Stock
From
$236.42
General Electric
25
480
EP103ULC32
EP103ULC32
In Stock
From
$20.50
General Electric
32
480
EP103ULD06
EP103ULD06
In Stock
From
$354.83
General Electric
6
480
EP103ULD10
EP103ULD10
In Stock
From
$42.80
General Electric
10
480
EP103ULHB20
EP103ULHB20
In Stock
From
$108.03
General Electric
20
277
Popular Molded Case Circuit Breaker Manufacturers
Eaton
Square D
ABB
Siemens

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.