CL140 - Eaton Classified 1" Thermal Magnetic Circuit Breaker

The Eaton Classified 1" Thermal-Magnetic Circuit Breaker is engineered for reliable protection in residential and commercial applications. With a 40A rating and a single-pole design, this breaker ensures safe interruption of power during overloads and short circuits. It is a Type CL 1-inch classified replacement breaker, ideal for use with Type CH loadcenters. Supporting wire sizes from 14-4 AWG Copper or Aluminum, and rated for 10,000 amperes of interrupting capacity (Kaic), this breaker delivers dependable performance in 120/240V systems.

Key Features:

• 40A rating for dependable electrical protection
• Thermal-magnetic trip unit for overload and short-circuit protection
• 10 Kaic interrupting capacity for enhanced safety
• Single-pole design compatible with 120/240V systems
• Supports wire sizes from 14-4 AWG Copper or Aluminum
• Classified replacement breaker designed for Type CH Loadcenters

This circuit breaker ensures high-quality, consistent protection for your electrical installations.

Documents:

Brochures
Standard circuit breaker catalog numbers - 5651B63SH09

Catalogs
Residential and Light Commercial, Loadcenters and Circuit Breakers, Volume 1 Tab 1

Specifications and datasheets
Eaton Specification Sheet - CL140