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
V/304-046101
V/304-046101
Limited Stock
From
Get Price
General Electric
-
-
V76220
V76220
In Stock
From
$39.89
General Electric
-
-
THQC2110
THQC2110
In Stock
From
Get Price
General Electric
10
240
TKM836Y800
TKM836Y800
In Stock
From
$1,434.34
General Electric
-
-
CR151KBC01AB
CR151KBC01AB
In Stock
From
$3.49
ABB
-
-
CR151KBC01AH
CR151KBC01AH
In Stock
From
$3.13
ABB
-
-
SGLB36B00400
SGLB36B00400
In Stock
From
Get Price
ABB
-
-
SGLL34BB0400
SGLL34BB0400
In Stock
From
$4,347.35
ABB
-
-
TB13090AW
TB13090AW
In Stock
From
$590.24
General Electric
-
-
AT39175
AT39175
In Stock
From
$144.51
General Electric
-
-
CB250S3TM200
CB250S3TM200
In Stock
From
Get Price
General Electric
200
400
CB250S3TM250
CB250S3TM250
In Stock
From
Get Price
General Electric
250
400
CB400N3TM400
CB400N3TM400
In Stock
From
Get Price
General Electric
400
400
MB426
MB426
In Stock
From
$272.20
General Electric
-
-
MB616
MB616
In Stock
From
$272.20
General Electric
-
-
RL3603THNI
RL3603THNI
In Stock
From
Get Price
ABB
30
600
SSF6G9X25000000
SSF6G9X25000000
In Stock
From
$40,031.53
General Electric
-
-
TAJ32FMD
TAJ32FMD
In Stock
From
$2.18
ABB
-
-
TB13050BWE05
TB13050BWE05
In Stock
From
$34.89
ABB
-
-
TB63F
TB63F
In Stock
From
$694.42
General Electric
-
-
TCAL134
TCAL134
In Stock
From
$69.81
General Electric
-
-
TEF134Y100
TEF134Y100
In Stock
From
$181.57
General Electric
-
-
THHQC1130
THHQC1130
In Stock
From
$9.86
General Electric
-
-
THQB2115ST1
THQB2115ST1
In Stock
From
$173.58
General Electric
-
-
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.