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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
EHD2030A06
EHD2030A06
In Stock
From
$487.20
Eaton
30
480
EHD3100KBP10
EHD3100KBP10
In Stock
From
$618.95
Eaton
100
480
EHD3100KLD08BP10
EHD3100KLD08BP10
In Stock
From
$618.95
Eaton
100
480
EN400
EN400
In Stock
From
$163.98
General Electric
400
690
EP101UCB16
EP101UCB16
Limited Stock
From
Get Price
General Electric
16
415
EP101UCB32
EP101UCB32
Limited Stock
From
Get Price
General Electric
32
415
EP101UCC01
EP101UCC01
In Stock
From
$24.04
General Electric
1
415
EP101UCC06
EP101UCC06
In Stock
From
$151.60
General Electric
6
415
EP101ULB06
EP101ULB06
In Stock
From
$187.70
General Electric
6
277
EP101ULB10
EP101ULB10
In Stock
From
$16.96
General Electric
10
277
EP101ULB40
EP101ULB40
In Stock
From
$74.17
General Electric
40
277
EP101ULC01
EP101ULC01
In Stock
From
$132.81
General Electric
1
277
EP101ULC04
EP101ULC04
In Stock
From
$68.54
General Electric
4
277
EP101ULC06
EP101ULC06
In Stock
From
$73.17
General Electric
6
277
EP101ULC16
EP101ULC16
In Stock
From
$19.16
General Electric
16
277
EP101ULC25
EP101ULC25
In Stock
From
$137.68
General Electric
25
277
EP101ULC50
EP101ULC50
In Stock
From
$134.46
General Electric
50
277
EP101ULD06
EP101ULD06
In Stock
From
$84.46
General Electric
6
277
EP101ULD40
EP101ULD40
In Stock
From
$54.98
General Electric
40
277
EP101ULHB20
EP101ULHB20
In Stock
From
$151.99
General Electric
20
277
EP101ULHB30
EP101ULHB30
In Stock
From
$76.29
General Electric
30
277
EP101ULHC15
EP101ULHC15
In Stock
From
$109.85
General Electric
15
277
EP102UCC02
EP102UCC02
In Stock
From
$263.49
General Electric
2
415
EP102UCC06
EP102UCC06
Limited Stock
From
Get Price
General Electric
6
415
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.