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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
LAL362501052
LAL362501052
In Stock
From
$2.22
Square D
-
-
LAL36250WB
LAL36250WB
In Stock
From
$100.00
Square D
-
-
LAP3640036MMTV6283
LAP3640036MMTV6283
In Stock
From
$9.36
Square D
-
-
LE36600LI1212
LE36600LI1212
In Stock
From
$231.30
Square D
-
-
LGA36400U33XAA
LGA36400U33XAA
In Stock
From
$687.03
Square D
-
-
LHF3640030DCU
LHF3640030DCU
In Stock
From
$0.02
Square D
-
-
LHL3600M
LHL3600M
In Stock
From
$192.00
Square D
-
-
LHP36350MT
LHP36350MT
In Stock
From
Get Price
Square D
350
600
LJA36400U4XENAASAYH2
LJA36400U4XENAASAYH2
In Stock
From
$471.07
Square D
-
-
LJF36400CU33XABSO
LJF36400CU33XABSO
In Stock
From
$4,374.00
Square D
-
-
LLP36400U43XEN
LLP36400U43XEN
In Stock
From
$226.15
Square D
-
-
LRA36400CU44XEBYP
LRA36400CU44XEBYP
In Stock
From
$785.11
Square D
-
-
LX362502100
LX362502100
In Stock
From
$207.24
Square D
-
-
MA36600WB
MA36600WB
In Stock
From
$60.00
Square D
-
-
MAF260006M8076
MAF260006M8076
In Stock
From
$11.24
Square D
-
-
MAF360006M8076
MAF360006M8076
In Stock
From
$11.24
Square D
-
-
MAL26000MWB
MAL26000MWB
In Stock
From
$34.89
Square D
-
-
MAL26600WB-1366
MAL26600WB-1366
In Stock
From
$0.02
Square D
-
-
MAL36000S1121
MAL36000S1121
In Stock
From
$11.24
Square D
-
-
MAL36008
MAL36008
In Stock
From
$0.02
Square D
-
-
MAL361000M-BLACK
MAL361000M-BLACK
In Stock
From
$0.02
Square D
-
-
ME836LI1021
ME836LI1021
In Stock
From
$59.60
Square D
-
-
MEC436LI
MEC436LI
In Stock
From
$37.47
Square D
-
-
MEC836LIGZ1
MEC836LIGZ1
In Stock
From
$2.22
Square D
-
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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.