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
MGP0302L12
MGP0302L12
Limited Stock
From
Get Price
Schneider Electric
MGP0632L12
MGP0632L12
Limited Stock
From
Get Price
Schneider Electric
MGP1002L12
MGP1002L12
Limited Stock
From
Get Price
Schneider Electric
MHL3660042M
MHL3660042M
Limited Stock
From
Get Price
Schneider Electric
MJL36400LW
MJL36400LW
In Stock
From
$777.78
Square D
NFHS36225
NFHS36225
In Stock
From
$2,135.05
Schneider Electric
NFNF36200AAHJ00
NFNF36200AAHJ00
In Stock
From
$876.00
Schneider Electric
Q1L3601021
Q1L3601021
In Stock
From
$35.45
Schneider Electric
Q2MT3125
Q2MT3125
In Stock
From
$132.99
Schneider Electric
QO2405238
QO2405238
In Stock
From
$52.52
Schneider Electric
QO240GFICP
QO240GFICP
In Stock
From
$585.80
Schneider Electric
QO260GFICP
QO260GFICP
In Stock
From
$132.71
Square D
QOB115VH35
QOB115VH35
In Stock
From
$36.41
Schneider Electric
QOB215H5252
QOB215H5252
In Stock
From
$158.15
Schneider Electric
QOB220GFI5237
QOB220GFI5237
In Stock
From
$239.95
Schneider Electric
QOB250VH1042
QOB250VH1042
In Stock
From
$177.72
Schneider Electric
QOB3705273
QOB3705273
In Stock
From
$807.50
Schneider Electric
QOE132B03
QOE132B03
Limited Stock
From
Get Price
Schneider Electric
QONK4
QONK4
In Stock
From
$143.93
Schneider Electric
QOU1103100
QOU1103100
In Stock
From
$28.14
Schneider Electric
QOU2105283
QOU2105283
In Stock
From
$112.11
Schneider Electric
QOU215H
QOU215H
In Stock
From
$116.51
Schneider Electric
QOU2605258
QOU2605258
In Stock
From
$132.31
Schneider Electric
QOUQ115
QOUQ115
In Stock
From
$43.62
Schneider 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.