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
QC90
QC90
In Stock
From
$92.75
Zinsco
90
240
FL360015A
FL360015A
In Stock
From
$193.16
Thomas & Betts
15
600
FL360020A
FL360020A
In Stock
From
$391.57
Cutler Hammer
20
600
FL360025A
FL360025A
In Stock
From
$250.02
Thomas & Betts
25
600
FL360030A
FL360030A
In Stock
From
$659.69
Thomas & Betts
30
600
FL360040A
FL360040A
In Stock
From
$228.53
Thomas & Betts
40
600
FL360100A
FL360100A
In Stock
From
$224.09
Thomas & Betts
100
600
FS240020A
FS240020A
In Stock
From
$190.49
Thomas & Betts
20
480
FS240030A
FS240030A
In Stock
From
$215.01
Thomas & Betts
30
480
FS240050A
FS240050A
In Stock
From
$205.21
Thomas & Betts
50
480
FS240070A
FS240070A
In Stock
From
$167.09
Thomas & Betts
70
480
FS240090A
FS240090A
In Stock
From
$216.95
Thomas & Betts
90
480
FS240100A
FS240100A
In Stock
From
$236.84
Thomas & Betts
100
480
FS320025A
FS320025A
In Stock
From
$175.04
Thomas & Betts
25
240
FS320030
FS320030
In Stock
From
$43.74
Thomas & Betts
30
240
FS320035A
FS320035A
In Stock
From
$188.89
Thomas & Betts
35
240
FS320040
FS320040
In Stock
From
$80.95
Thomas & Betts
40
240
FS320050
FS320050
In Stock
From
$47.94
Thomas & Betts
50
240
FS320060
FS320060
In Stock
From
$112.89
Thomas & Betts
60
240
FS320070A
FS320070A
In Stock
From
$250.54
Thomas & Betts
70
240
FS320090
FS320090
In Stock
From
$58.58
Thomas & Betts
90
240
FS320090A
FS320090A
In Stock
From
$196.42
Thomas & Betts
90
240
FS340020
FS340020
In Stock
From
$33.50
Cutler Hammer
20
480
FS340025A
FS340025A
In Stock
From
$184.10
Thomas & Betts
25
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.