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
QHCX1025
QHCX1025
Limited Stock
From
Get Price
Cutler Hammer
25
240
QHCX1030
QHCX1030
Limited Stock
From
Get Price
Cutler Hammer
30
240
QHCX1035
QHCX1035
Limited Stock
From
Get Price
Cutler Hammer
35
240
QHCX1040
QHCX1040
Limited Stock
From
Get Price
Cutler Hammer
40
240
QHCX1045
QHCX1045
Limited Stock
From
Get Price
Cutler Hammer
45
240
QHCX1050
QHCX1050
Limited Stock
From
Get Price
Cutler Hammer
50
240
QHCX1055
QHCX1055
Limited Stock
From
Get Price
Cutler Hammer
55
240
QHCX1060
QHCX1060
Limited Stock
From
Get Price
Cutler Hammer
60
240
QPHGF1020
QPHGF1020
Limited Stock
From
Get Price
Cutler Hammer
20
120
RE3070V
RE3070V
Limited Stock
From
Get Price
Cutler Hammer
70
240
RE3070VL
RE3070VL
Limited Stock
From
Get Price
Cutler Hammer
70
240
RE3080V
RE3080V
Limited Stock
From
Get Price
Cutler Hammer
80
240
RE3080VL
RE3080VL
Limited Stock
From
Get Price
Cutler Hammer
80
240
RE3090V
RE3090V
Limited Stock
From
Get Price
Cutler Hammer
90
240
RE3090VL
RE3090VL
Limited Stock
From
Get Price
Cutler Hammer
90
240
RE3100V
RE3100V
Limited Stock
From
Get Price
Cutler Hammer
100
240
RE3100VL
RE3100VL
Limited Stock
From
Get Price
Cutler Hammer
100
240
REH1010
REH1010
Limited Stock
From
Get Price
Cutler Hammer
10
277
REH1010L
REH1010L
Limited Stock
From
Get Price
Cutler Hammer
10
277
REH1010V
REH1010V
Limited Stock
From
Get Price
Cutler Hammer
10
277
REH1010VL
REH1010VL
Limited Stock
From
Get Price
Cutler Hammer
10
277
REH1015
REH1015
Limited Stock
From
Get Price
Cutler Hammer
15
277
REH1015L
REH1015L
Limited Stock
From
Get Price
Cutler Hammer
15
277
REH1015V
REH1015V
Limited Stock
From
Get Price
Cutler Hammer
15
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.