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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
TE111050
TE111050
In Stock
From
$11.47
General Electric
50
240
TE122015
TE122015
In Stock
From
$173.60
General Electric
15
240
TE132015
TE132015
In Stock
From
$46.30
General Electric
20
240
TEB134100WL
TEB134100WL
In Stock
From
$1,024.15
General Electric
100
480
TEC36015S
TEC36015S
In Stock
From
$272.93
General Electric
15
600
TEF113020
TEF113020
In Stock
From
$32.16
General Electric
20
277
TEF113040
TEF113040
In Stock
From
$47.15
General Electric
40
277
TEF113060
TEF113060
In Stock
From
$56.29
General Electric
60
277
TEF124020
TEF124020
In Stock
From
$168.26
General Electric
20
480
TEF124030
TEF124030
In Stock
From
$114.92
General Electric
30
480
TEF124070
TEF124070
In Stock
From
$141.25
General Electric
70
480
TEF124100
TEF124100
In Stock
From
$56.56
General Electric
100
480
TEF134020
TEF134020
In Stock
From
$73.98
General Electric
20
480
TEF134030
TEF134030
In Stock
From
$223.34
General Electric
30
480
TEF134040
TEF134040
In Stock
From
$113.17
General Electric
40
480
TEF134050
TEF134050
In Stock
From
$214.63
General Electric
50
480
TEF134100
TEF134100
In Stock
From
$147.93
General Electric
100
480
TEF136M1010
TEF136M1010
In Stock
From
$31.99
General Electric
10
600
TEF136M1025
TEF136M1025
In Stock
From
$70.49
General Electric
25
600
TF126020
TF126020
In Stock
From
$271.51
General Electric
20
600
TF136020
TF136020
In Stock
From
$319.41
General Electric
20
600
TF136030
TF136030
In Stock
From
$299.53
General Electric
30
600
TF136040
TF136040
In Stock
From
$98.11
General Electric
40
600
TF136050
TF136050
In Stock
From
$387.90
General Electric
50
600
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.