Protección de circuitos de eléctricos

The Eaton Series G Molded Case Circuit Breaker provides users with unparalleled performance and convenience. A patented contact design features high-speed “blow-open” action, resulting in superior circuit breaker performance. This globally-rated platform offers users high interruption ratings in a compact footprint with ease of in-field configuration applicable to a wide variety of industry and regional requirements. Choose from a selection of thermal magnetic and electronic trip units, available in current ratings that range from 15A to 2500A with voltages up to 690 VAC.

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Have you seen the Power Defense MCCB?

The Power Defense molded case circuit breaker provides all of the benefits available with Series G along with the latest breaker technology. Take a look.

Power Defense MCCB

Predict and stop power failures before they happen

The latest circuit breaker technology, which is built into Power Defense MCCBs, delivers predicitive diagnostics that help you better uncover, diagnose and stop power outages before they happen.

Take a look at the pre-recorded webinar or download the whitepaper to learn how you can better leverage the power of intelligent systems.

Download the whitepaper

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Safety

Arc flash reduction

Reliability

Instantaneous trip units

Core features of Series G molded case circuit breakers

Compact design frees up panel space.
Common field-fit internal accessories make installation and custom configuration easy.
Advanced trip unit functionality offers a wide range of adjustment for maximum flexibility.
Patented contact design features high-speed “blow-open” action, resulting in superior performance.
Mounting hardware and lugs are included, on LG frame and below, for convenience, eliminating the need for separate parts orders.
Meets the requirements of UL, CSA, IEC, CCC and CE, providing a truly global design and worldwide acceptance.
A premier selection of trip units including thermal magnetic, electronic, and magnetic only switches is available.
Extensive UL508 SCCR listings avaliable with Eaton motor control components.

Technology

Series G molded case circuit breakers employ the world’s most advanced technology. Patented reverse loop contact designs provide current limiting performance, and the highest interrupting ratings in the industry’s most compact breaker size.

Faster than instantaneous

Eaton's electronic trip units are available with Series G molded case circuit breakers. Electronic trip units are designed to meet a broad range of monitoring and protection requirements. Curve shaping, zone selective interlocking, arcflash reduction, diagnostics, and system monitoring and communications are all features available by selecting the appropriate trip unit for the specific requirement.

Start authenticating your molded case circuit breakers today.

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Eaton's molded case circuit breaker portfolio

Eaton manufactures a variety of molded case circuit breakers designed for use in multiple industries and conditions. Take a look at our MCCB portfolio.

Molded case circuit breakers

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Catálogos

Molded case circuit breakers, Volume 4, Tab 2 - CA08100005E

This is the catalog describing Power Defense, Series G, Series C, specialty breakers and handle mechanisms.

(PDF 16 MB , 20/06/2025)

Especificaciones del producto

Low voltage circuit breakers guide specification

This is the guide specification describing low voltage power circuit breakers, insulated case circuit breakers, and molded case circuit breakers.

(DOCX 1 MB , 03/02/2022)

Instrucciones de montaje

EG-frame flex shaft handle mechanism

Instructions for drilling and assembling flex shaft handle mechanism for E-frame circuit breakers, molded case switches, and HMCPs

(PDF 1 MB , 31/03/2013)
High performance s2 rotary handle

Installation instructions for high performance s2 rotary handle

(PDF 503 KB , 31/08/2014)
High performance s3 rotary handle

Installation instructions for high performance s3 rotary handle

(PDF 499 KB , 31/08/2014)
JG-frame flex shaft handle mechanism

Installation instructions for flex shaft handle mechanism for JG-frame circuit breakers, molded case switches, and HMCPs

(PDF 1 MB , 31/12/2001)
LG-frame variable depth rotary handle mechanism (1/12)

Installation instrctions for variable depth rotary handle mechanism for LG-frame circuit breaker

(PDF 599 KB , 31/10/2008)
LG-frame variable depth rotary handle mechanism (4/4X)

Installation instructions for variable depth rotary handle mechanism (4/4X) for LG-frame circuit breaker

(PDF 537 KB , 31/05/2008)
PD4 Rear Connection.indd

(PDF 1 MB , 14/12/2021)

Eaton es una empresa de gestión inteligente de la energía dedicada a mejorar la calidad de vida de las personas y a proteger el medio ambiente. Nos guiamos por nuestro compromiso de hacer negocios de manera correcta, de trabajar de manera sostenible y de ayudar a nuestros clientes a gestionar la energía ─ hoy y en el futuro. Aprovechamos las tendencias de crecimiento global de la electrificación y la digitalización para acelerar la transición del planeta hacia las energías renovables, ayudamos a resolver los retos más urgentes del mundo en materia de gestión de la energía.

Series G molded case circuit breaker