Eaton Circuit Breaker Thermal-Magnetic 20A Single-Pole 120/240V CHF Series

Eaton CH Thermal-Magnetic Circuit Breaker

Professional Electrical Protection Equipment

The Eaton CH Thermal-Magnetic Circuit Breaker delivers exceptional electrical power management and control performance for residential and commercial electrical protection applications. This 20A single-pole circuit breaker provides reliable electrical protection designed for professional electricians, electrical contractors, and facility managers, offering the proven reliability and advanced technology that professionals trust from the global leader in intelligent power management.

Professional Features & Benefits

Electrical Protection Performance

• 20 Ampere Rating - Provides precise overcurrent protection for residential and light commercial electrical circuits with reliable thermal-magnetic trip operation
• Single-Pole Configuration - Designed for 120V branch circuit protection in standard residential and commercial electrical applications
• 10 kAIC Interrupt Rating - Delivers dependable short-circuit interrupting capacity for safe electrical system protection and code compliance
• 120/240V Voltage Rating - Compatible with standard residential and commercial electrical systems for versatile installation applications

Installation & Compatibility

• CHF Series Design - Engineered for Type CH loadcenters with 3/4-inch standard mounting configuration for professional electrical installations
• Trip Flag Indicator - Visual indication of breaker trip status for quick electrical troubleshooting and system diagnostics
• Wire Compatibility - Accepts #14-8 AWG single wire or dual #14-10 AWG copper/aluminum conductors for flexible wiring applications

Technical Specifications

Amperage Rating: 20A, Voltage Rating: 120/240V, Number of Poles: Single-pole, Interrupt Rating: 10 kAIC, Series: CHF, Frame Size: 3/4-inch standard, Wire Size: (1) #14-8 AWG or (2) #14-10 AWG Cu/Al, Trip Type: Thermal-magnetic, Special Features: Trip flag indicator and common breaker trip capability, Compatible With: Type CH Loadcenters

Installation & Usage

1. Verify electrical panel compatibility with Type CH loadcenter requirements and confirm proper voltage rating match
2. Turn off main electrical power and verify de-energized state using appropriate electrical testing equipment
3. Install circuit breaker into designated panel position ensuring proper alignment with bus connection
4. Connect branch circuit conductors to breaker terminals using appropriate wire sizes and torque specifications
5. Verify secure mechanical and electrical connections before energizing the electrical system
6. Test breaker operation and trip flag functionality to ensure proper electrical protection performance

Professional Applications

Ideal for:

• Residential Electrical Systems - Branch circuit protection for lighting, receptacle, and appliance circuits in homes and apartments
• Commercial Building Protection - Office building, retail, and light commercial electrical distribution and overcurrent protection
• Electrical Panel Upgrades - Replacement and retrofit applications in existing Type CH electrical loadcenters and distribution panels
• New Construction Projects - Electrical contractor installations in residential developments and commercial building projects
• Electrical Maintenance - Service and repair applications requiring reliable thermal-magnetic circuit protection
• Code Compliance Applications - Meeting NEC requirements for branch circuit overcurrent protection in standard electrical installations
• Lighting Circuit Protection - Dedicated protection for residential and commercial lighting systems and controls
• Receptacle Circuit Safety - GFCI and standard receptacle circuit protection in kitchens, bathrooms, and general use areas

Thermal-Magnetic Protection Advantage

The thermal-magnetic trip mechanism provides dual protection against electrical overloads and short circuits. The thermal element responds to sustained overcurrent conditions while the magnetic element provides instantaneous protection against dangerous short-circuit faults, ensuring comprehensive electrical safety and reliable circuit protection for professional electrical installations.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton delivers the quality, reliability, and safety that electrical professionals demand. Our circuit breakers meet rigorous UL and CSA safety standards, providing the dependable electrical protection that electricians, electrical contractors, and facility managers trust for critical power distribution applications worldwide.