Eaton Cutler-Hammer CHFN120A1CS 20A 1P 120V Circuit Breaker, AFCI, GFCI, Dual-Function | AmpState

Eaton Cutler-Hammer CHFN120A1CS is a 20 A, 1-pole, 120 V circuit breaker that brings together arc-fault (AFCI) and ground-fault (GFCI) protection in a single, compact unit. Built for everyday electrical work, this dual-function breaker protects circuits in panelboards, load centers, and electrical distribution systems with precision and reliability.

This isn’t just a breaker—it’s a streamlined safety solution that combines two crucial protections in one device. The CHFN120A1CS reduces panel clutter and inventory complexity by delivering AFCI and GFCI protection in one convenient package, so you can guard against both arc faults and ground faults without juggling multiple components.

• Dual-function protection: Combined AFCI and GFCI in one breaker to guard against arc faults and ground faults.
• Exact specifications: 20 A, 1-pole, 120 V, designed for standard residential and light commercial circuits.
• Direct part-number match: A dependable option for panel builders and maintenance teams who require precise fitment and easy stocking.
• Versatile applications: Suitable for panelboards, load centers, and electrical distribution throughout the system.
• Availability: Ready to ship from AmpState, with support to confirm fit and compatibility.

Why choose this dual-function breaker? It consolidates essential safety protections into one device, reducing the number of separate breakers you need to stock and install. For projects that demand reliable arc-fault and ground-fault protection, the CHFN120A1CS offers a practical, space-efficient solution that integrates smoothly into existing panels.

Use cases and ideal scenarios

• Upgrading older panels to meet modern AFCI/GFCI safety requirements in kitchens, baths, and other high-risk areas.
• New installations in residential or light commercial settings where a single device provides two layers of protection.
• Spare inventory for maintenance teams and panel builders who value exact part-number compatibility.

Key specifications at a glance

• Manufacturer: Eaton Cutler-Hammer
• Part Number: CHFN120A1CS
• Amperage: 20 A
• Poles: 1
• Voltage: 120 V
• Protection: AFCI/GFCI dual-function

Need help confirming fit? AmpState is available to assist with compatibility checks and part-number matching to ensure a seamless replacement or project installation. This CHFN120A1CS is your practical, safety-first choice for reliable circuit protection with streamlined inventory.