53 Type THQL Feeder 2-Pole Q-Line molded case circuit breaker is rated at 40-Amps and 120/240-Volt AC. Interrupt rating of this circuit breaker is 10-Kilo-Amps. It accommodates copper/aluminum wire of size 8 - 3-AWG. This 1-Phase molded case circuit breaker features fixed thermal-magnetic, non-interchangeable LI and internal common trip functions. Plug-in mountable breaker is suitable for reverse feed, residential and commercial applications. It has quick-make/quick-break mechanisms and easy to spot trip indication to ensure safety and reliability. It measures 2-Inch x 2.375-Inch x 3.281-Inch. Molded case circuit breaker is UL listed and HACR rated.