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Circuit breakers

Main circuit breakers

Eaton's main circuit breakers are used in a variety of applications including the main or emergency disconnect on the outside of a house, a tenant main breaker in group metering stacks and feed-through lug blocks specifically designed for sub-feeding from an existing panel. Main breakers are available with a variety of accessories including shunt trip, bell alarms and auxiliary switches.

Available interrupt ratings
10-100 kAIC
Meeting requirements
Listed UL 489
Amperage
100-225 A

Core features

  • 10-100 kAIC for range of interrupting capacities
  • Oversized 300 MCM load-side lugs on most main breakers
  • Easily interchangeable for custom solutions

Main circuit breaker types and their residential application

Learn about the types of main circuit breakers and their role in ensuring electrical safety. Hear how these breakers contribute to cost savings and space efficiency in residential and commercial settings.

Series ratings

When two or more overcurrent protective devices (OCPDs) are connected in series, the interrupting current rating of the downstream device or devices should be less than the interrupting current rating of the system.

Learn more at Eaton.com/seriesratings

Electrical meters resized

Solutions for every application

From single family homes to high-rise apartment buildings, from the service entrance to the wall plate, Eaton provides a comprehensive product offering to fit your needs. 

Watch to learn more about circuit breakers contactors, fuses and their applications

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