Eaton Thermal Magnetic Circuit Breaker 40A Three-Pole 240V 10kAIC CH Series Common Trip

Eaton CH Thermal Magnetic Circuit Breaker

Professional 40A Three-Pole Circuit Protection

The Eaton CH Thermal Magnetic Circuit Breaker delivers exceptional electrical power management and control performance for residential and commercial electrical distribution systems. This 40A three-pole 240V 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 Performance Excellence

• 40 Ampere Rating - Provides robust current capacity for high-demand electrical circuits and equipment protection
• Three-Pole Configuration - Delivers comprehensive three-phase electrical protection with common trip functionality
• 240V Voltage Rating - Engineered for standard residential and commercial voltage applications
• 10 kAIC Interrupt Rating - Offers reliable fault current interruption capability for electrical safety

CH Series Design & Protection

• Thermal Magnetic Protection - Advanced dual-element protection combining thermal overload and magnetic short-circuit protection
• Common Trip Operation - Ensures all three poles trip simultaneously for balanced electrical protection
• UL 489 Certified - Meets rigorous electrical safety standards for professional installation confidence

Professional Installation Features

• Type CH Loadcenter Compatibility - Designed specifically for Eaton CH series electrical panels and loadcenters
• Wire Size Flexibility - Accommodates #10-1/0 AWG copper and aluminum conductors for versatile wiring options
• Compact 3/4-Inch Design - Space-efficient construction maximizes panel capacity utilization

Technical Specifications

Amperage Rating: 40A | Voltage Rating: 240V | Number of Poles: Three-pole | Interrupt Rating: 10 kAIC | Circuit Breaker Type: CH Series | Trip Type: Common breaker trip | Wire Size: #10-1/0 AWG Cu/Al | Certifications: UL 489 | Dimensions: 3.1" W x 2.7" H x 2.2" D | Weight: 0.95 lb | Compatible With: Type CH Loadcenters | HACR Rated: Yes

Installation & Usage

1. Verify power is completely disconnected and panel is de-energized before installation
2. Confirm circuit breaker compatibility with Type CH loadcenter specifications
3. Install breaker into designated three-pole position ensuring proper bus connection
4. Connect circuit conductors to breaker terminals using appropriate wire sizes (#10-1/0 AWG Cu/Al)
5. Verify all connections are secure and properly torqued per manufacturer specifications
6. Test breaker operation and verify proper common trip functionality before energizing

Professional Applications

Ideal for:

• Residential Electrical Systems - Main panel protection for high-amperage household circuits and appliances
• Commercial Building Protection - Three-phase equipment protection in office buildings and retail facilities
• HVAC System Protection - Air conditioning units, heat pumps, and commercial heating equipment
• Motor Control Applications - Three-phase motor protection in commercial and light industrial settings
• Electrical Panel Upgrades - Replacement and upgrade applications in existing CH series loadcenters
• Multi-Family Housing - Apartment complexes and condominium electrical distribution systems
• Small Commercial Facilities - Restaurants, retail stores, and professional office electrical protection
• Industrial Feeder Circuits - Distribution panel protection for manufacturing and warehouse facilities

Thermal Magnetic Technology Advantage

Eaton's proven thermal magnetic technology combines the benefits of thermal overload protection for sustained overcurrent conditions with magnetic protection for rapid short-circuit fault clearing. This dual-element design provides comprehensive electrical protection while maintaining reliable operation under normal load conditions, ensuring optimal performance for three-phase electrical applications.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton continues to lead the industry in intelligent power solutions. Our commitment to electrical safety and reliability, demonstrated through rigorous UL and CSA certifications, ensures trusted performance for electricians, electrical contractors, and facility professionals worldwide. Every Eaton circuit breaker represents decades of engineering excellence and field-proven reliability in electrical protection applications.