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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
THED136015WL
THED136015WL
In Stock
From
$381.42
General Electric
15
600
THED136020V
THED136020V
In Stock
From
$437.39
General Electric
20
600
THED136020WL
THED136020WL
In Stock
From
$312.42
General Electric
20
600
THED136025WL
THED136025WL
In Stock
From
$1,523.74
General Electric
25
600
THED136030WL
THED136030WL
In Stock
From
$377.86
General Electric
30
600
THED136035WL
THED136035WL
In Stock
From
$381.48
General Electric
35
600
THED136045WL
THED136045WL
In Stock
From
$504.41
General Electric
45
600
THED136050WL
THED136050WL
In Stock
From
$1,232.55
General Electric
50
600
THED136060WL
THED136060WL
In Stock
From
$869.47
General Electric
60
600
THED136070WL
THED136070WL
In Stock
From
$551.42
General Electric
70
600
THED136080WL
THED136080WL
In Stock
From
$585.31
General Electric
80
600
THED136090WL
THED136090WL
In Stock
From
$594.06
General Electric
90
600
THED136110WL
THED136110WL
In Stock
From
$4,149.89
General Electric
110
600
THHQB1135
THHQB1135
In Stock
From
$26.29
General Electric
35
120
THHQB1140
THHQB1140
In Stock
From
$6.27
General Electric
40
120
THHQB1150
THHQB1150
In Stock
From
$36.24
General Electric
50
120
THHQB1160
THHQB1160
In Stock
From
$22.15
General Electric
60
120
THHQB21100
THHQB21100
In Stock
From
$381.86
General Electric
100
240
THHQB2120
THHQB2120
In Stock
From
$34.29
General Electric
20
240
THHQB2125
THHQB2125
In Stock
From
$68.51
General Electric
25
240
THHQB2140
THHQB2140
In Stock
From
$73.59
General Electric
40
240
THHQB2145
THHQB2145
In Stock
From
$51.99
General Electric
45
240
THHQB2150
THHQB2150
In Stock
From
$55.03
General Electric
50
240
THHQB2170
THHQB2170
In Stock
From
$48.97
General Electric
70
240
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.