Cutler Hammer CHF240 is a molded case circuit breaker designed for providing reliable overcurrent protection in residential and light commercial electrical systems. It features a 40A current rating and a 240V AC voltage rating, housed in a compact 2-pole plug-in unit measuring 3.3 in x 2.6 in and weighing 1.55 lb. The breaker utilizes a thermal-magnetic trip mechanism with long-time and instantaneous (LI) functions and is certified to UL 489 standards with HACR rating for air conditioning and refrigeration equipment. It is engineered for compatibility with Type CH loadcenters, supporting wire sizes from 10 AWG to 1/0 AWG for both copper and aluminum conductors, and offers an interrupting capacity of 10kA at 120V.
Key Features & Specifications
Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Plug-In Connection
Voltage Rating: 240V AC
Current Rating: 40A
Dimensions: 3.3 in x 2.6 in
Weight: 1.55 lb
Standards: UL 489, HACR Rated
Applications: Overcurrent protection for residential and light commercial branch circuits