1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Molded Case Circuit Breaker

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
454D507G01
454D507G01
In Stock
From
$73.74
Eaton
5
125
454D507G02
454D507G02
In Stock
From
$497.89
Eaton
10
125
454D507G04
454D507G04
In Stock
From
$743.11
Eaton
20
125
60157
60157
In Stock
From
$53.47
Square D
5
240
A1A015TW-2
A1A015TW-2
In Stock
From
$125.67
ABB
15
240
A1N100TW-1
A1N100TW-1
In Stock
From
$68.27
ABB
100
240
A2N150TW-2
A2N150TW-2
In Stock
From
$792.45
ABB
150
240
A2N200TW-2
A2N200TW-2
In Stock
From
$750.95
ABB
200
240
BABRP1020
BABRP1020
In Stock
From
$95.43
Westinghouse
20
120
BABRSP2020
BABRSP2020
In Stock
From
$475.18
Westinghouse
20
240
BDA34030Y
BDA34030Y
In Stock
From
$678.12
Schneider Electric
30
480
BDA34050Y
BDA34050Y
In Stock
From
$479.82
Square D
50
480
BDA34090Y
BDA34090Y
In Stock
From
$644.69
Square D
90
480
BGA34025Y
BGA34025Y
In Stock
From
$1,278.65
Schneider Electric
25
480
BGA34080Y
BGA34080Y
In Stock
From
$1,608.69
Square D
80
480
BGA34110Y
BGA34110Y
In Stock
From
$985.48
Square D
110
480
BQL20
BQL20
In Stock
From
$34.89
Eaton
20
240
BQLT15240
BQLT15240
In Stock
From
$87.65
Eaton
40
240
BR220H
BR220H
In Stock
From
$67.94
Eaton
20
240
BR230H
BR230H
In Stock
From
$70.21
Eaton
30
240
BR240H
BR240H
In Stock
From
$97.19
Eaton
40
240
BR260ST
BR260ST
In Stock
From
$130.19
Eaton
60
240
BR3030
BR3030
In Stock
From
$81.80
Westinghouse
30
120
BRACAF115
BRACAF115
In Stock
From
$75.29
Westinghouse
15
120
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.