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
EHB2020
EHB2020
In Stock
From
$106.54
Cutler Hammer
20
480
EHB2030
EHB2030
In Stock
From
$115.38
Westinghouse
30
480
EHB2060
EHB2060
In Stock
From
$59.94
Cutler Hammer
60
480
EHB3015
EHB3015
In Stock
From
$154.09
Cutler Hammer
15
480
EHB3020
EHB3020
In Stock
From
$168.64
Westinghouse
20
480
EHB3025
EHB3025
In Stock
From
$245.08
Cutler Hammer
25
480
EHB3030
EHB3030
In Stock
From
$112.46
Cutler Hammer
30
480
EHB3030L
EHB3030L
In Stock
From
$163.15
Cutler Hammer
30
480
EHB3035
EHB3035
In Stock
From
$302.02
Westinghouse
35
480
EHB3040
EHB3040
In Stock
From
$122.13
Cutler Hammer
40
480
EHB3040L
EHB3040L
In Stock
From
$180.94
Westinghouse
40
480
EHB3045
EHB3045
In Stock
From
$180.60
Westinghouse
45
480
EHB3050
EHB3050
In Stock
From
$95.55
Westinghouse
50
480
EHB3060
EHB3060
In Stock
From
$725.20
Westinghouse
60
480
EHB3080
EHB3080
In Stock
From
$343.57
Cutler Hammer
80
480
EHB3090
EHB3090
In Stock
From
$103.83
Westinghouse
90
480
EHB3100
EHB3100
In Stock
From
$237.37
Cutler Hammer
100
480
EHB3100L
EHB3100L
In Stock
From
$363.50
Cutler Hammer
100
480
EHB3100N
EHB3100N
In Stock
From
$342.95
Westinghouse
100
480
EHD1020
EHD1020
In Stock
From
$110.24
Eaton
20
277
EHD1020L
EHD1020L
In Stock
From
$201.32
Eaton
20
277
EHD1020V
EHD1020V
In Stock
From
$47.78
Cutler Hammer
20
277
EHD1045
EHD1045
In Stock
From
$290.52
Westinghouse
45
277
EHD1060
EHD1060
In Stock
From
$296.30
Westinghouse
60
277
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.