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
HFB3035V
HFB3035V
Limited Stock
From
Get Price
Westinghouse
35
600
HFB3040FA
HFB3040FA
Limited Stock
From
Get Price
Westinghouse
40
600
HFB3045V
HFB3045V
Limited Stock
From
Get Price
Cutler Hammer
45
600
HFB3050V
HFB3050V
Limited Stock
From
Get Price
Cutler Hammer
50
600
HFB3060V
HFB3060V
Limited Stock
From
Get Price
Westinghouse
60
600
HFB3070V
HFB3070V
Limited Stock
From
Get Price
Cutler Hammer
70
600
HFB3080V
HFB3080V
Limited Stock
From
Get Price
Westinghouse
80
600
HFB3090V
HFB3090V
Limited Stock
From
Get Price
Westinghouse
90
600
HFB3100V
HFB3100V
Limited Stock
From
Get Price
Westinghouse
100
600
HFB3110V
HFB3110V
Limited Stock
From
Get Price
Cutler Hammer
110
600
HFB3125V
HFB3125V
Limited Stock
From
Get Price
Cutler Hammer
125
600
HFB3150L
HFB3150L
Limited Stock
From
Get Price
Westinghouse
150
600
HFD1015V
HFD1015V
Limited Stock
From
Get Price
Cutler Hammer
15
277
HFD1015VL
HFD1015VL
Limited Stock
From
Get Price
Eaton
15
277
HFD1020VL
HFD1020VL
Limited Stock
From
Get Price
Eaton
20
277
HFD1025V
HFD1025V
Limited Stock
From
Get Price
Westinghouse
25
277
HFD1025VL
HFD1025VL
Limited Stock
From
Get Price
Westinghouse
25
277
HFD1030VL
HFD1030VL
Limited Stock
From
Get Price
Cutler Hammer
30
277
HFD1035V
HFD1035V
Limited Stock
From
Get Price
Eaton
35
277
HFD1035VL
HFD1035VL
Limited Stock
From
Get Price
Cutler Hammer
35
277
HFD1040V
HFD1040V
Limited Stock
From
Get Price
Cutler Hammer
40
277
HFD1040VL
HFD1040VL
Limited Stock
From
Get Price
Eaton
40
277
HFD1045V
HFD1045V
Limited Stock
From
Get Price
Eaton
45
277
HFD1045VL
HFD1045VL
Limited Stock
From
Get Price
Cutler Hammer
45
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.