Eaton Thermal Magnetic Circuit Breaker 40A Two-Pole 120/240V 10kAIC CL Type CH Compatible

Eaton Thermal Magnetic Circuit Breaker 40A Two-Pole 120/240V 10kAIC CL Type CH Compatible

Professional Classified Replacement Circuit Breaker for Residential and Commercial Electrical Systems

The Eaton Thermal Magnetic Circuit Breaker delivers exceptional electrical protection performance for residential and commercial load center applications. This 40A two-pole circuit breaker provides reliable thermal-magnetic protection with 10kAIC interrupt rating 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

• 40 Ampere Rating - Provides reliable overcurrent protection for medium-load residential and commercial circuits with precise thermal-magnetic trip characteristics
• Two-Pole Configuration - Delivers simultaneous protection for both hot conductors in 240V applications with common trip operation for enhanced electrical safety
• 10kAIC Interrupt Rating - Safely interrupts fault currents up to 10,000 amperes for comprehensive short-circuit protection in typical residential and light commercial installations
• 120/240V Voltage Rating - Compatible with standard residential electrical systems and split-phase applications for versatile installation options

Installation & Compatibility

• Type CH Loadcenter Compatibility - Designed for seamless installation in Type CH electrical panels and load centers for reliable electrical distribution
• Classified Replacement Design - UL 489 listed replacement for multiple breaker brands including Square D Homeline, GE Type THQ, and other compatible systems
• #14-4 AWG Wire Compatibility - Accommodates both copper and aluminum conductors from #14 to #4 AWG for flexible wiring applications

Technical Specifications

Amperage Rating: 40A, Voltage Rating: 120/240V, Number of Poles: Two-pole, Interrupt Rating: 10kAIC, Trip Type: Common breaker trip, Wire Size: #14-4 AWG Cu/Al, Circuit Breaker Type: CH, Main Circuit Breaker: CL, Product Dimensions: 3" H x 2" W x 3" D, Product Weight: 0.5 lb, Certifications: UL 489, Used With: Type CH Loadcenters

Installation & Usage

1. Verify power is completely disconnected and test electrical panel with appropriate voltage tester before beginning installation
2. Remove existing breaker by carefully pulling straight out from bus connection while supporting the breaker body
3. Align new Eaton breaker with bus stabs and panel mounting rails ensuring proper orientation for two-pole installation
4. Press breaker firmly into position until fully seated on bus connection and mounting clips engage securely
5. Connect circuit conductors to breaker terminals ensuring proper torque specifications and wire gauge compatibility
6. Test breaker operation by switching to ON position and verify proper circuit function before energizing panel

Professional Applications

Ideal for:

• Residential Electrical Systems - Main electrical panels, sub-panels, and load centers requiring 40A two-pole protection for major appliances and HVAC systems
• Commercial Load Centers - Light commercial electrical distribution systems, office buildings, and retail facilities requiring reliable overcurrent protection
• HVAC Equipment Protection - Air conditioning units, heat pumps, and electric heating systems requiring dedicated 240V circuit protection
• Electric Water Heater Circuits - Residential and commercial water heating applications requiring 40A two-pole circuit protection
• Electric Range and Cooktop Circuits - Kitchen appliance circuits requiring high-amperage 240V electrical protection
• Electric Dryer Circuits - Laundry room applications requiring dedicated 240V circuit protection for electric clothes dryers
• Workshop and Garage Circuits - 240V outlet circuits for welders, compressors, and other high-power equipment in residential and commercial workshops
• Replacement and Retrofit Projects - Electrical panel upgrades and breaker replacements in existing Type CH compatible load centers

Thermal-Magnetic Protection Advantage

Eaton's proven thermal-magnetic trip technology combines bimetallic thermal elements for overload protection with magnetic trip units for short-circuit protection, delivering reliable and precise overcurrent protection. This dual-protection system ensures fast response to dangerous fault conditions while providing time-delay characteristics for temporary overloads, making it ideal for motor starting applications and other inductive loads common in residential and commercial electrical systems.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton delivers the reliability and performance that electrical professionals demand. This UL 489 listed circuit breaker represents Eaton's commitment to electrical safety, featuring robust construction, precise calibration, and comprehensive testing to ensure dependable protection for residential and commercial electrical systems. Trusted by electricians, electrical contractors, and facility professionals worldwide, Eaton circuit breakers provide the quality assurance and technical support that electrical professionals rely on for critical power protection applications.