Eaton’s broad molded case circuit breaker (MCCB) portfolio provides you safety and reliability across the globe in various industries.
Our MCCBs provide you unmatched circuit protection in alternative energy, commercial, industrial, mining, and military applications when protecting conductors against overloads and short circuits.
These circuit breakers are applied in panelboards, switchboards, motor control centers, control panels, combination starters, individual enclosures, and bus duct plug-in units. Choose from a selection of Eaton MCCBs ranging from 10 – 3,000 amps.
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This is the catalog describing Power Defense, Series G, Series C, specialty breakers and handle mechanisms.
Eaton offers the most comprehensive MCCB portfolio.
Designed for electrical and machinery OEMs serving a wide range of industries and applications, these proven designs incorporate the latest in innovation and reliability, which has been our hallmark since the advent of the circuit breaker in the 1920s.
View our MCCB portfolio below.
Power Defense molded case circuit breaker
The Power Defense molded case circuit breaker is globally rated in a small footprint. It offers communicating electronic trip units and the ability to generate the data to help you optimize your facilities' performance.
Amperage Rating: 15A - 2,500A
Poles: single, two, three, four (0% N, 60% N, 100% N)
Voltage Rating: 240 Vac, 415 Vac, 440 Vac, 480 Vac, 525 Vac, 600 Vac, 690 Vac, 125 Vdc, 250 Vdc
Series C molded case circuit breaker
The Series C circuit breaker was originally introduced in the 1980's and is widely utilized in Eaton's panelboards, switchboards, motor control centers, and busway applications. Choose from a premier selection of trip units including thermal magnetic, electronic, and magnetic only switches.
Amperage Rating: 10A - 2,500A
Poles: Single, two, three, four (0%N, 50%N, 100%N)
Voltage Rating: 240 Vac, 415 Vac, 440 Vac, 480 Vac, 525 Vac, 600 Vac, 690 Vac, 125 Vdc, 250 Vdc
Series G molded case circuit breaker
The Eaton Series G molded case circuit breaker delivers superior circuit breaker performance with high-speed “blow-open” action. This globally-rated platform offers users high interruption ratings in a compact footprint with the ease of in-field configuration.
Amperage Rating: 15A - 2,500A
Poles: Single, two, three, four (0%N, 50%N, 100%N)
Voltage Rating: 240 Vac, 415 Vac, 440 Vac, 480 Vac, 525 Vac, 600 Vac, 690 Vac, 125 Vdc, 250 Vdc
PV Guard / Solar complete molded case circuit breaker
Eaton's DC and PVGard molded case circuit breakers are engineered to address the highest performance requirements while providing numerous accessories to fit different site specifications. Today’s DC circuit breakers have expanded applications including solar photovoltaics, electric vehicle charging stations, battery storage and UPS systems, as well as commercial and industrial DC distribution.
Aperage Rating: 30A - 600A
Poles: Three, four
Voltage Rating: 600 Vdc - 1,000 Vdc
NZM molded case circuit breaker
Eaton’s NZM portfolio provides a globally rated solution with a broad offering of circuit breakers, accessories, and IEC switch disconnector, ideal for panelbuilders and machinery OEMs worldwide.
Amperage Rating: 15A - 1,600A
Poles: Single, three, four
Voltage Rating: 240 Vac, 415 Vac, 440 Vac, 480 Vac, 600 Vac, 690 Vac, 125 Vdc, 250 Vdc, 600 Vdc, 1,000 Vdc, 1,500 Vdc
Engine Generator molded case circuit breaker
Users appreciate the custom design and compact footprint of the Eaton Engine Generator molded case circuit breaker. This circuit breaker is specifically created for generators as well as portable and temporary power applications where lower interrupting currents are common.
Amperage Rating: 15A - 1,200A
Voltage Rating: 240 Vac, 480 Vac, 600Vac
Circuit Breaker Type: FG, KG, LG, NG, VG
E2 mining molded case circuit breaker
The Eaton E2 Mining molded case circuit breaker offers a higher quality experience and a safer work environment. Rugged design and tested dependability for harsh and hazardous environments make the E2 Mining MCCB the ideal breaker underground. The mining circuit breaker protects all sizes of trailing cable defined by MSHA.
Amperage Rating: 3A - 2,000A
Poles: Two, three
Voltage Rating: 240 Vac, 480 Vac, 600 Vac, 1,000 Vac, 1,200 Vac, 250 Vdc
Navy & Marine complete molded case circuit breaker
Navy and marine molded case circuit breakers are vibration tested, fire and moisture-resistant, and treated to resist corrosion. Users will appreciate the shock and impact resistance, and the easy on-site customization and installation capabilities. These circuit breakers are qualified to Navy Mil-Spec & QPL, or to Marine Specs.
Amperage Rating: 5A = 800A
Poles: Single, two, three
Voltage Rating: 1125 Vac, 500 Vac, 125 Vdc, 250 Vdc
General DC molded case circuit breaker
The Eaton DC breaker family is engineered to address the highest performance requirements while providing numerous accessories to fit different site specifications. Today’s direct current applications have expanded to include solar photovoltaics, electric vehicle charging stations, battery storage and UPS systems, as well as commercial and industrial DC distribution.
Amperage Rating: 15A - 3,000A
Poles: Single: two, three, four
Voltage Rating: 125 Vdc, 250 Vdc, 500 Vdc, 600 Vdc, 750 Vdc