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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
HLL36150M74
HLL36150M74
In Stock
From
$729.16
Schneider Electric
100
600
HLMXD63B700
HLMXD63B700
In Stock
From
$8,897.52
Siemens
700
600
HLMXD63B800
HLMXD63B800
In Stock
From
$5,322.32
Siemens
800
600
HLP36015
HLP36015
In Stock
From
$331.02
Square D
15
600
HLP36060
HLP36060
In Stock
From
$492.99
Schneider Electric
60
600
HLP36070
HLP36070
In Stock
From
$641.77
Square D
70
600
HLP36150
HLP36150
In Stock
From
$1,370.28
Schneider Electric
150
600
HLW3630F
HLW3630F
In Stock
From
$1,246.04
Eaton
630
690
HMA3600
HMA3600
In Stock
From
$1,751.41
Eaton
600
600
HMCP100K3C
HMCP100K3C
In Stock
From
$959.22
Eaton
100
600
HMCP400X5W
HMCP400X5W
In Stock
From
$1,103.12
Eaton
400
600
HMCP600L6W
HMCP600L6W
In Stock
From
$5,712.27
Eaton
600
600
HMCPE003A0C
HMCPE003A0C
In Stock
From
$464.06
Eaton
3
480
HMCPE007C0C
HMCPE007C0C
In Stock
From
$300.37
Eaton
7
480
HMCPE015E0C
HMCPE015E0C
In Stock
From
$373.47
Eaton
15
480
HMCPE030H1C
HMCPE030H1C
In Stock
From
$377.59
Eaton
30
480
HMCPE070M2C
HMCPE070M2C
In Stock
From
$743.88
Eaton
70
480
HMCPJ250K5L
HMCPJ250K5L
In Stock
From
$784.61
Eaton
250
600
HMCPS003A0
HMCPS003A0
Limited Stock
From
Get Price
Eaton
3
600
HMDL2800F
HMDL2800F
In Stock
From
$4,113.31
Eaton
800
600
HND312T32W
HND312T32W
In Stock
From
$5,995.89
Eaton
1200
600
HND312T33W
HND312T33W
In Stock
From
$5,995.89
Eaton
1200
600
HND312T35W
HND312T35W
In Stock
From
$5,922.29
Eaton
1200
600
HND312T36W
HND312T36W
In Stock
From
$10,509.17
Westinghouse
1200
600
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.