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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
A1B350
A1B350
In Stock
From
$233.87
Square D
50
240
A1B360
A1B360
In Stock
From
$384.76
Square D
60
240
A1B370
A1B370
In Stock
From
$414.29
Square D
70
240
A1B380
A1B380
In Stock
From
$585.01
Square D
80
240
A1L120
A1L120
In Stock
From
$75.73
Square D
20
120
A1L220
A1L220
In Stock
From
$43.82
Square D
20
240
A1L240
A1L240
In Stock
From
$151.25
Square D
40
240
A1L3100
A1L3100
In Stock
From
$225.12
Square D
100
240
A1L320
A1L320
In Stock
From
$167.33
Square D
20
240
BDA24015Y1
BDA24015Y1
In Stock
From
$606.11
Schneider Electric
15
480
BDA24020Y1
BDA24020Y1
In Stock
From
$776.86
Schneider Electric
20
480
BDA24030Y1
BDA24030Y1
In Stock
From
$433.40
Square D
30
480
BDA24040Y1
BDA24040Y1
In Stock
From
$609.83
Square D
40
480
BDA24050Y1
BDA24050Y1
In Stock
From
$502.04
Square D
50
480
BDA24060Y1
BDA24060Y1
In Stock
From
$705.36
Schneider Electric
60
480
BDA34100YYP
BDA34100YYP
In Stock
From
$2,354.10
Schneider Electric
100
480
BGA34025Y
BGA34025Y
In Stock
From
$1,278.65
Schneider Electric
25
480
BGA34035Y
BGA34035Y
In Stock
From
$1,115.61
Square D
35
480
EH14020
EH14020
In Stock
From
$67.09
Square D
20
480
EH24020
EH24020
In Stock
From
$201.22
Square D
20
480
EH24060
EH24060
In Stock
From
$138.80
Square D
60
480
EH34015
EH34015
In Stock
From
$221.27
Square D
15
480
EH34020
EH34020
In Stock
From
$323.30
Square D
20
480
EH34060
EH34060
In Stock
From
$1,517.35
Square D
60
480
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.