Overview
Cutler-Hammer CH240R is a molded case circuit breaker from the Eaton CH Series, delivering reliable overload and short-circuit protection in single-phase electrical distribution systems. Rated for 40 amps and 240 volts AC, this 2-pole breaker offers protection against overloads and short circuits. The unit is HACR-rated, meets NEMA standards and federal specifications, and is CSA certified. The plug-on mounting design ensures quick, tool-free installation in compatible Eaton CH panelboards.
Key Features
- Thermal-Magnetic Trip Mechanism: Utilizes a Thermal Magnetic trip unit, providing both time-delay protection for overloads and instantaneous protection for short circuits.
- HACR Rated: Suitable for use with air conditioning and refrigeration equipment, per HVAC industry standards.
- Quick Make/Quick Break: Features quick make, quick break switch and inverse time element tripping operation with trip-free handle.
- Wire Gauge Compatibility: Supports #14 to 2 AWG wire range for 40 to 70 amp applications.
- Standard Interrupting Capacity: 10kA interrupting rating at 240V.
Technical Specifications
- Voltage Rating: 120/240VAC
- Amperage: 40 Amps
- Poles: 2 Pole
- Phase: Single Phase (1PH)
- Trip Functions: LI (Long Time and Instantaneous) functions
- Protection Type: Thermal magnetic molded case circuit breaker
- Mounting Type: Plug-In mounting style, designed for easy installation in Eaton CH panelboards
- Certifications: UL Listed, CSA Certified, NEMA Compliant
- Operating Temperature: 40°C
Typical Applications
The Eaton CH240 is designed for use in residential, commercial, and light industrial electrical distribution systems. Type CH breakers are used with ovens, clothes dryers and water heaters. The HACR rating makes this breaker particularly suitable for circuits protecting air-conditioning compressors and refrigeration equipment in residential and light-commercial installations.
Compatibility & Replacements
Compatible With
- Eaton CH Series panelboards and load centers
- Eaton Cutler-Hammer residential and commercial electrical panels
- 120/240V single-phase distribution systems
- HVAC and refrigeration circuit protection applications
Replaces / Drop-In Replacement For
- Eaton CH240: Standard CH240 molded case breaker (CH240R is a revision variant)
- Westinghouse CH240: Westinghouse CH240 equivalents
- Cross-compatibility: Equivalent to Eaton BR240, CHQ240, and Schneider QO240 in some applications; verify compatibility with your system integrator before ordering.
Works With
- Eaton Cutler-Hammer load centers and panelboards
- Standard single-phase 240V electrical service entrance equipment
- HVAC control systems and refrigeration circuits
- Residential main panels and subpanels
