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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
EP103ULC15
EP103ULC15
In Stock
From
$50.09
General Electric
-
-
EP103ULH4C06
EP103ULH4C06
In Stock
From
$39.39
General Electric
-
-
EP104C10
EP104C10
Limited Stock
From
Get Price
General Electric
-
-
EP104C20
EP104C20
Limited Stock
From
Get Price
General Electric
-
-
THHQL1130GF
THHQL1130GF
In Stock
From
$271.57
General Electric
30
120
THQB1125GF
THQB1125GF
In Stock
From
$13.09
General Electric
25
120
THQL2130GF
THQL2130GF
In Stock
From
$15.30
General Electric
30
240
THQL2140GF
THQL2140GF
Limited Stock
From
Get Price
General Electric
40
240
THQL2140GFT2
THQL2140GFT2
In Stock
From
$23.87
General Electric
40
240
TJD434400WL
TJD434400WL
In Stock
From
$506.88
General Electric
400
480
TQB21100
TQB21100
In Stock
From
$78.11
General Electric
100
240
TXQB32025
TXQB32025
In Stock
From
$205.13
General Electric
25
240
450014
450014
In Stock
From
$3.10
General Electric
100
690
450016
450016
In Stock
From
$10.07
General Electric
200
690
450018
450018
In Stock
From
$2.52
General Electric
200
690
450019
450019
In Stock
From
$3.29
General Electric
250
690
450021
450021
In Stock
From
$5.02
General Electric
315
690
450023
450023
In Stock
From
$4.14
General Electric
250
690
EP102ULD0.5
EP102ULD0.5
In Stock
From
$260.14
General Electric
-
-
EZSEDA36AT0060
EZSEDA36AT0060
In Stock
From
$432.88
General Electric
60
600
EZSEHA36AT0030
EZSEHA36AT0030
In Stock
From
$1,109.70
General Electric
30
600
EZSEHA36AT0060
EZSEHA36AT0060
In Stock
From
$997.34
General Electric
60
600
EZSEHA36AT0100
EZSEHA36AT0100
In Stock
From
$607.21
General Electric
100
600
EZSEHA36AT0150
EZSEHA36AT0150
In Stock
From
$1,744.74
General Electric
150
600
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.