Eaton Thermal Magnetic Circuit Breaker 90A Two-Pole 120/240V CH Series 10kAIC Common Trip

Eaton CH Thermal Magnetic Circuit Breaker 90A Two-Pole

Professional Electrical Circuit Protection Equipment

The Eaton CH Thermal Magnetic Circuit Breaker delivers exceptional electrical power management and control performance for residential and commercial electrical distribution systems. This 90A two-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 Performance Excellence

• 90 Ampere Rating - High-capacity current protection for demanding electrical loads and heavy-duty residential or commercial applications
• Two-Pole Configuration - Simultaneous protection for both hot conductors in 240V circuits with common trip operation
• 10 kAIC Interrupt Rating - Reliable fault current interruption capability for standard residential and light commercial electrical systems
• 120/240V Voltage Rating - Versatile voltage compatibility for split-phase electrical distribution systems

Installation & Protection Features

• CH Series Compatibility - Designed specifically for Type CH loadcenters ensuring proper fit and electrical connection
• Common Trip Operation - Both poles trip simultaneously for enhanced electrical safety and system protection
• Wire Size Compatibility - Accommodates #10-1/0 AWG copper and aluminum conductors for flexible installation options

Technical Specifications

Amperage Rating: 90A, Voltage Rating: 120/240V, Number of Poles: Two-pole, Interrupt Rating: 10 kAIC, Circuit Breaker Type: CH, Trip Type: Common breaker trip, Wire Size: #10-1/0 AWG Cu/Al, Used With: Type CH Loadcenters, Certifications: UL 489, Product Dimensions: 3.375" H x 1.5" W x 3.25" D, Product Weight: 0.57 lb, Catalog Notes: Two-Pole 120/240V Common Trip Requires Two 3/4-Inch Spaces

Installation & Usage

1. Verify power is completely disconnected from the electrical panel before beginning installation
2. Confirm the circuit breaker is compatible with Type CH loadcenter and verify adequate space availability
3. Install the circuit breaker into the designated panel slots ensuring proper alignment with bus bars
4. Connect the #10-1/0 AWG copper or aluminum conductors to the circuit breaker terminals with proper torque specifications
5. Verify all connections are secure and properly seated before restoring power to the electrical system
6. Test the circuit breaker operation to ensure proper function and common trip operation of both poles

Professional Applications

Ideal for:

• Residential Electrical Systems - Main panel protection for high-amperage household circuits and major appliance connections
• Commercial Electrical Distribution - Branch circuit protection in office buildings, retail spaces, and light commercial facilities
• HVAC System Protection - Circuit protection for air conditioning units, heat pumps, and commercial heating equipment
• Electric Water Heater Circuits - Dedicated protection for residential and commercial electric water heating systems
• Kitchen Appliance Circuits - Protection for electric ranges, ovens, and other high-amperage kitchen equipment
• Workshop and Garage Circuits - Heavy-duty protection for welding equipment, large power tools, and industrial machinery
• Pool and Spa Equipment - Electrical protection for pool pumps, heaters, and spa equipment installations
• Electric Vehicle Charging - Circuit protection for Level 2 EV charging stations and electric vehicle supply equipment

Thermal-Magnetic Protection Advantage

The thermal-magnetic trip mechanism provides dual protection against both overload and short-circuit conditions. The thermal element responds to sustained overloads by heating a bimetallic strip, while the magnetic element provides instantaneous protection against short circuits and ground faults, ensuring comprehensive electrical system protection.

Why Choose Eaton Quality?

Eaton's century-plus experience in electrical power management innovation ensures this CH series circuit breaker meets the highest standards for electrical safety and reliability. With UL 489 certification and trusted performance for electricians, electrical contractors, and facility professionals worldwide, Eaton continues to lead in electrical protection technology and dependable power distribution solutions.