Cutler-Hammer CH120 20A 1-Pole Circuit Breaker | Eaton

Overview

Discover the Cutler-Hammer CH120 20A 1-Pole Circuit Breaker from Eaton. Engineered for quick make, quick break operation, it pairs a thermal-magnetic trip curve with a trip-free handle to provide dependable, automatic disconnection when circuits experience overload or short conditions. UL Listed, HACR rated, and CSA certified, it aligns with NEMA standards and Federal Specifications, delivering trusted electrical protection for 120-volt AC systems. With a 10,000 AIR rating, it’s built to interrupt current safely in typical residential and light commercial environments.

What makes CH120 reliable

• Quick make, quick break operation for responsive circuit protection
• Inverse time element with a thermal-magnetic trip curve for dependable disconnection
• Trip-free handle design prevents holding the switch in the ON position
• UL Listed, CSA certified, HACR rated; compliant with NEMA standards and Federal Specifications
• Rated for 120V AC circuits with a 10,000 AIR interruption rating

Technical highlights

• Brand: Eaton Cutler-Hammer
• Model: CH120
• Type: 1-pole, 20A
• Voltage: 120 VAC
• Trip mechanism: Thermal-magnetic
• Certifications: UL Listed, CSA certified; HACR rated
• Standards: NEMA compliant; Federal Specifications
• Interruption rating: 10,000 AIR

In real-world use, this breaker fits residential panels and light commercial setups that require reliable overload protection. It acts as a safeguard against unexpected surges while staying compact enough for standard installations.

Use cases and installation considerations

• Ideal for protecting branch circuits in home electrical panels (lighting, outlets, and small appliances)
• Suitable as a compatible replacement for similar CH120-rated breakers in compatible panels

Choosing Eaton offers a practical balance of performance and standard compliance. Results depend on your exact wiring and panel configuration, but the CH120 delivers a straightforward, familiar form factor with dependable protection.

Specs at a glance

• Voltage: 120 V AC
• Current rating: 20 A
• Poles: 1
• Trip type: Thermal-magnetic
• Certifications: UL Listed, CSA certified; HACR rated
• Standards: NEMA compliant; Federal Specifications

Note: Always consult a qualified electrician for panel compatibility and installation. This description summarizes features; refer to product data for definitive specifications.