Eaton Corporation CHF140CS 40A Single Pole Circuit Breaker

Product Description

The EATON CORPORATION CHF140CS is a 40-amp single-pole circuit breaker designed for residential and light commercial electrical panelboards. It provides overcurrent protection for branch circuits and features a trip flag indicator that gives a clear visual signal when the breaker has tripped, reducing diagnostic time during service calls. The CHF140CS measures 3/4 inch per pole wide, making it compatible with standard loadcenter configurations. Licensed electricians install this breaker as part of new construction wiring or panel upgrade work where reliable branch circuit protection is required.

This circuit breaker is suited for residential panelboard installations and light commercial loadcenters where a single-pole, 40-amp overcurrent device is specified. The 3/4-inch-per-pole width fits standard slot spacing in compatible Eaton loadcenter enclosures. The included trip flag indicator assists electricians and service technicians in quickly identifying tripped breakers during troubleshooting without requiring additional testing equipment.

Key Features

• 40-amp single-pole overcurrent protection for branch circuits
• Trip flag indicator provides immediate visual confirmation of a tripped condition
• 3/4 inch per pole width fits standard loadcenter slot spacing
• Clamshell packaged for convenient jobsite handling and storage

Compatibility

Designed as an OEM-style replacement or new-install circuit breaker for single-pole positions in compatible residential and light commercial loadcenters requiring a 40-amp, 3/4-inch-per-pole device.

Installation Notes

Installation must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. De-energize the panel and verify absence of voltage before handling any wiring or installing the breaker. Ensure the breaker is fully seated in the loadcenter bus stab before securing the panel cover. Do not exceed the breaker's rated ampacity when sizing the protected circuit conductors.

Technical Specifications

• Amperage: 40 amps
• Poles: Single Pole
• Width Per Pole: 3/4 inch
• Weight: 2.1 pounds
• Package Quantity: 6

Standard Information

• Brand: EATON CORPORATION
• Manufacturer Part Number: CHF140CS